|
Kingdom Plantae |
|
Isoetes nuttallii A. Braun ex Engelm. – accepted – Nuttall's quillwort
|
|
Isoetes nuttallii var. nuttallii A. Braun ex Engelm. – not accepted – Nuttall's quillwort
|
|
Najas indica var. gracillima A. Braun ex Engelm. – not accepted
|
|
Najas gracillima (A. Braun ex Engelm.) Magnus – accepted – slender waternymph
|
|
Quercus X runcinata (A. DC.) Engelm. – accepted – oak
|
|
Agassizia suavis A. Gray & Engelm. – not accepted
|
|
Brickellia cylindracea A. Gray & Engelm. – accepted – gravelbar brickellbush
|
|
Keerlia bellidifolia A. Gray & Engelm. – not accepted
|
|
Lindheimera A. Gray & Engelm. – accepted – lindheimera
|
|
Lindheimera texana A. Gray & Engelm. – accepted – Texas yellowstar, Texas star
|
|
Vernonia lindheimeri A. Gray & Engelm. – accepted – woolly ironweed
|
|
Gaillardia suavis (A. Gray & Engelm.) Britton & Rusby – accepted – perfumeballs, sweet gaillardia
|
|
Chaetopappa bellidifolia (A. Gray & Engelm.) Shinners – accepted – whiteray leastdaisy
|
|
Linum rupestre (A. Gray) Engelm. ex A. Gray – accepted – rock flax
|
|
Solidago microphylla (A. Gray) Engelm. ex Small – not accepted
|
|
Mammillaria robustispina A. Schott ex Engelm. – not accepted
|
|
Opuntia mamillata A. Schott ex Engelm. – not accepted – Nopal de mamilas
|
|
Cylindropuntia fulgida var. mamillata (A. Schott ex Engelm.) Backeb. – accepted
|
|
Coryphantha robustispina (A. Schott ex Engelm.) Britton & Rose – accepted – Biznaga-partida de espinas gruesas
|
|
Coryphantha robustispina ssp. robustispina (A. Schott ex Engelm.) Britton & Rose – accepted
|
|
Coryphantha muehlenpfordtii ssp. robustispina (A. Schott ex Engelm.) Dicht – not accepted
|
|
Opuntia fulgida var. mamillata (A. Schott ex Engelm.) J.M. Coult. – not accepted – jumping cholla, compact jumping cholla
|
|
Cactus robustispinus (A. Schott ex Engelm.) Kuntze – not accepted
|
|
Coryphantha scheeri var. robustispina (A. Schott ex Engelm.) L.D. Benson – not accepted – longtubercle beehive cactus, Pima pineapple cactus
|
|
Coryphantha muehlenpfordtii var. robustispina (A. Schott ex Engelm.) W.T. Marshall – not accepted
|
|
Opuntia emoryi auct. non Engelm. – not accepted
|
|
Pinus contorta var. murrayana (Balf.) Engelm. – accepted – tamarack pine, Sierra lodgepole pine, Murray's lodgepole pine
|
|
Pinus ponderosa ssp. jeffreyi (Balf.) Engelm. – not accepted
|
|
Brazoria truncata (Benth.) Engelm. & A. Gray – accepted – rattlesnake flower
|
|
Brazoria truncata var. truncata (Benth.) Engelm. & A. Gray – accepted – rattlesnake flower
|
|
Cuscuta arvensis Beyr. ex Engelm. – not accepted
|
|
Euphorbia micromera Boiss. ex Engelm. – accepted – Sonoran sandmat, tiny sandmat, desert spurge
|
|
Chamaesyce micromera (Boiss. ex Engelm.) Wooton & Standl. – not accepted – desert spurge, Sonoran sandmat
|
|
Vitis aestivalis var. monticola (Buckley) Engelm. – not accepted
|
|
Pinus inops var. clausa Chapm. ex Engelm. – not accepted
|
|
Pinus clausa (Chapm. ex Engelm.) Vasey ex Sarg. – accepted – sand pine, scrub pine, spruce pine
|
|
Phoradendron tomentosum (DC.) Engelm. ex A. Gray – not accepted – downy mistletoe, bigleaf mistletoe, Christmas mistletoe
|
|
Phoradendron tomentosum var. tomentosum (DC.) Engelm. ex A. Gray – not accepted
|
|
Isoetes echinospora var. braunii (Durieu) Engelm. – not accepted
|
|
Isoetes echinospora var. muricata (Durieu) Engelm. – not accepted
|
|
Abies subalpina Engelm. – not accepted
|
|
Agave deserti Engelm. – accepted – desert agave, Maguey de Desierto
|
|
Agave deserti ssp. deserti Engelm. – not accepted – desert agave
|
|
Agave deserti var. deserti Engelm. – accepted – desert agave
|
|
Agave palmeri Engelm. – accepted – Palmer's century plant, Maguey de tlalcoyote, Palmer agave, Palmer century plant
|
|
Agave parryi Engelm. – accepted – Parry's agave, Parry agave, Mezcal yapavai
|
|
Agave parryi ssp. parryi Engelm. – accepted – Parry's agave, Huachuca agave, rough agave
|
|
Agave parryi var. parryi Engelm. – not accepted – Parry's agave
|
|
Agave schottii Engelm. – accepted – Schott's century plant, Maguey puercoespín, Schott agave
|
|
Agave schottii var. schottii Engelm. – accepted – Schott's century plant, Schott agave
|
|
Agave shawii Engelm. – accepted – coastal agave, Shaw's agave, Maguey primavera
|
|
Agave shawii var. shawii Engelm. – accepted – coastal agave
|
|
Agave utahensis Engelm. – accepted – Utah agave
|
|
Agave utahensis var. utahensis Engelm. – accepted – Utah agave
|
|
Arceuthobium campylopodum Engelm. – accepted – western dwarf mistletoe
|
|
Arceuthobium cryptopodum Engelm. – not accepted
|
|
Arceuthobium divaricatum Engelm. – accepted – pinyon dwarf mistletoe
|
|
Arceuthobium douglasii Engelm. – accepted – Douglas fir dwarf mistletoe
|
|
Arceuthobium occidentale Engelm. – not accepted – gray pine dwarf mistletoe, digger pine dwarf mistletoe
|
|
Astephanus utahensis Engelm. – not accepted
|
|
Atheropogon papillosus Engelm. – not accepted
|
|
Bouvardia glaberrima Engelm. – not accepted
|
|
Buchloe Engelm. – not accepted – buffalograss
|
|
Callitriche austinii Engelm. – not accepted
|
|
Campanula scabrella Engelm. – accepted – rough bellflower
|
|
Castilleja indivisa Engelm. – accepted – Texas paintbrush, entireleaf Indian paintbrush
|
|
Cereus emoryi Engelm. – not accepted
|
|
Cereus fendleri Engelm. – not accepted
|
|
Cereus giganteus Engelm. – not accepted – saguaro
|
|
Cereus greggii Engelm. – not accepted
|
|
Cereus greggii var. greggii Engelm. – not accepted – desert nightblooming cereus
|
|
Cereus greggii var. transmontanus Engelm. – not accepted
|
|
Cereus paucispinus Engelm. – not accepted
|
|
Cereus pectinatus var. rigidissimus Engelm. – not accepted
|
|
Cereus phoeniceus Engelm. – not accepted
|
|
Cereus schottii Engelm. – not accepted
|
|
Cereus stramineus Engelm. – not accepted
|
|
Cereus thurberi Engelm. – not accepted
|
|
Cereus viridiflorus var. cylindricus Engelm. – not accepted
|
|
Cirsium filipendulum Engelm. – not accepted
|
|
Clematis coccinea Engelm. – not accepted
|
|
Corydalis crystallina Engelm. – accepted – mealy fumewort, mealy corydalis
|
|
Corydalis curvisiliqua Engelm. – accepted – curvepod corydalis, curvepod fumewort
|
|
Corydalis curvisiliqua ssp. curvisiliqua Engelm. – accepted – curvepod fumewort
|
|
Corydalis montana Engelm. – not accepted
|
|
Croton corymbulosus Engelm. – not accepted
|
|
Cuscuta applanata Engelm. – accepted – Gila River dodder
|
|
Cuscuta californica var. apiculata Engelm. – accepted – chaparral dodder
|
|
Cuscuta californica var. breviflora Engelm. – not accepted – California dodder, western dodder, chaparral dodder
|
|
Cuscuta cephalanthi Engelm. – accepted – butterbush dodder, buttonbush dodder
|
|
Cuscuta coryli Engelm. – accepted – hazel dodder
|
|
Cuscuta corylii Engelm. – not accepted
|
|
Cuscuta cuspidata Engelm. – accepted – cusp dodder
|
|
Cuscuta denticulata Engelm. – accepted – small-tooth dodder, desert dodder
|
|
Cuscuta denticulata var. denticulata Engelm. – accepted – desert dodder, smalltooth dodder
|
|
Cuscuta exaltata Engelm. – accepted – tall dodder
|
|
Cuscuta gronovii var. calyptrata Engelm. – accepted – scaldweed
|
|
Cuscuta gronovii var. curta Engelm. – not accepted
|
|
Cuscuta gronovii var. latiflora Engelm. – not accepted
|
|
Cuscuta leptantha Engelm. – accepted – slender dodder
|
|
Cuscuta mitriformis Engelm. – accepted – joint dodder, Cochise dodder
|
|
Cuscuta obtusiflora var. glandulosa Engelm. – accepted – Peruvian dodder
|
|
Cuscuta odontolepis Engelm. – accepted – Santa Rita dodder, Santa Rita Mountain dodder
|
|
Cuscuta pentagona Engelm. – accepted – lespedeza dodder, bush-clover dodder, field dodder, fiveangled dodder
|
|
Cuscuta pentagona var. calycina Engelm. – not accepted
|
|
Cuscuta pentagona var. pentagona Engelm. – not accepted – fiveangled dodder, bush-clover dodder, fiveangle dodder, field dodder
|
|
Cuscuta polygonorum Engelm. – accepted – smartweed dodder
|
|
Cuscuta salina Engelm. – accepted – goldenthread, saltmarsh dodder
|
|
Cuscuta salina var. salina Engelm. – accepted – saltmarsh dodder
|
|
Cuscuta squamata Engelm. – accepted – scaleflower dodder
|
|
Dicentra ochroleuca Engelm. – accepted – yellow bleedingheart, yellow bleeding hearts
|
|
Dithyrea wislizeni Engelm. – not accepted
|
|
Echinocactus bicolor var. schottii Engelm. – not accepted
|
|
Echinocactus brevihamatus Engelm. – not accepted
|
|
Echinocactus intertextus Engelm. – not accepted
|
|
Echinocactus intertextus var. dasyacanthus Engelm. – not accepted
|
|
Echinocactus lecontei Engelm. – not accepted
|
|
Echinocactus parryi Engelm. – accepted
|
|
Echinocactus pubispinus Engelm. – not accepted
|
|
Echinocactus setispinus Engelm. – not accepted
|
|
Echinocactus simpsonii Engelm. – not accepted
|
|
Echinocactus uncinatus var. wrightii Engelm. – not accepted
|
|
Echinocactus unguispinus Engelm. – not accepted
|
|
Echinocactus whipplei var. spinosior Engelm. – not accepted
|
|
Echinocactus wislizeni Engelm. – not accepted
|
|
Echinocereus Engelm. – accepted – hedgehog cactus
|
|
Echinocereus adustus Engelm. – accepted
|
|
Echinocereus adustus ssp. adustus Engelm. – accepted
|
|
Echinocereus coccineus Engelm. – accepted – Órgano-pequeño de espinas escarlatas, scarlet hedgehog cactus
|
|
Echinocereus coccineus ssp. coccineus Engelm. – accepted
|
|
Echinocereus coccineus var. coccineus Engelm. – not accepted – scarlet hedgehog cactus, Bisbee cactus
|
|
Echinocereus dasyacanthus Engelm. – accepted – Órgano-pequeño arcoiris de Texas, spiny hedgehog cactus
|
|
Echinocereus dasyacanthus ssp. dasyacanthus Engelm. – not accepted
|
|
Echinocereus enneacanthus Engelm. – accepted – Órgano-pequeño alicoche real, pitaya, smallspine pitaya
|
|
Echinocereus enneacanthus ssp. enneacanthus Engelm. – accepted
|
|
Echinocereus enneacanthus var. enneacanthus Engelm. – not accepted – pitaya
|
|
Echinocereus polyacanthus Engelm. – accepted – Órgano-pequeño enmarañado, Mojave mound cactus
|
|
Echinocereus polyacanthus ssp. polyacanthus Engelm. – not accepted
|
|
Echinocereus triglochidiatus Engelm. – accepted – Órgano-pequeño copa de vino, kingcup cactus, claretcup hedgehog, Mojave mound cactus
|
|
Echinocereus triglochidiatus ssp. triglochidiatus Engelm. – not accepted
|
|
Echinocereus triglochidiatus var. triglochidiatus Engelm. – not accepted – kingcup cactus
|
|
Echinocereus viridiflorus Engelm. – accepted – nylon hedgehog cactus, green pitaya
|
|
Echinocereus viridiflorus ssp. viridiflorus Engelm. – accepted
|
|
Echinocereus viridiflorus var. viridiflorus Engelm. – not accepted – nylon hedgehog cactus
|
|
Echinodorus parvulus Engelm. – not accepted – mudbabies
|
|
Equisetum affine Engelm. – not accepted
|
|
Eriogonum alpinum Engelm. – accepted – Trinity buckwheat
|
|
Eriogonum atrorubens Engelm. – accepted – red buckwheat, buckwheat
|
|
Eriogonum atrorubens var. atrorubens Engelm. – accepted – red buckwheat
|
|
Eryngium heterophyllum Engelm. – accepted – Wright's eryngo
|
|
Euphorbia acuta Engelm. – accepted – Pointed sandmat
|
|
Euphorbia angusta Engelm. – accepted – Blackfoot sandmat, narrow-leaf spurge
|
|
Euphorbia arizonica Engelm. – accepted – Arizona sandmat
|
|
Euphorbia barbellata Engelm. – not accepted
|
|
Euphorbia bifurcata Engelm. – accepted – forked spurge
|
|
Euphorbia bilobata Engelm. – accepted – blackseed spurge, black-seed spurge
|
|
Euphorbia brachycera Engelm. – accepted – horned spurge, shorthorn spurge
|
|
Euphorbia capitellata Engelm. – accepted – head sandmat, capitate sandmat, head spurge
|
|
Euphorbia cinerascens Engelm. – accepted – ashy sandmat
|
|
Euphorbia cinerascens var. appendiculata Engelm. – not accepted
|
|
Euphorbia colorata Engelm. – accepted
|
|
Euphorbia crenulata Engelm. – accepted – Chinese caps, Chinesecaps
|
|
Euphorbia curtisii Engelm. – accepted – Curtis' spurge, sandhills spurge
|
|
Euphorbia dentata var. cuphosperma Engelm. – not accepted
|
|
Euphorbia dentata var. rigida Engelm. – not accepted
|
|
Euphorbia dictyosperma var. leiococca Engelm. – not accepted
|
|
Euphorbia dictyosperma var. mexicana Engelm. – not accepted
|
|
Euphorbia dioeca var. indivisa Engelm. – not accepted
|
|
Euphorbia esuliformis var. subdentata Engelm. – not accepted
|
|
Euphorbia exstipulata Engelm. – accepted – squareseed spurge, square-seed spurge, Clark Mountain spurge
|
|
Euphorbia exstipulata var. exstipulata Engelm. – not accepted – squareseed spurge, Clark Mountain spurge
|
|
Euphorbia florida Engelm. – accepted – Chiricahua Mountain sandmat
|
|
Euphorbia geyeri Engelm. – accepted – Geyer's sandmat, Geyer's spurge
|
|
Euphorbia geyeri var. geyeri Engelm. – accepted – Geyer's sandmat, Geyer's spurge
|
|
Euphorbia glyptosperma Engelm. – accepted – ridgeseed spurge, ribseed sandmat
|
|
Euphorbia glyptosperma var. tenerrima Engelm. – not accepted
|
|
Euphorbia gymnoclada Engelm. – not accepted
|
|
Euphorbia heterophylla var. graminifolia Engelm. – not accepted
|
|
Euphorbia hypericifolia var. communis Engelm. – not accepted
|
|
Euphorbia incisa Engelm. – not accepted – Mojave spurge
|
|
Euphorbia incisa var. incisa Engelm. – not accepted – Mojave spurge
|
|
Euphorbia lata Engelm. – accepted – hoary sandmat, broadleaf spurge
|
|
Euphorbia lurida Engelm. – accepted – San Francisco Mountain spurge, woodland spurge
|
|
Euphorbia melanadenia var. subinappendiculata Engelm. – not accepted
|
|
Euphorbia montana Engelm. – not accepted
|
|
Euphorbia montana var. gracilior Engelm. – not accepted
|
|
Euphorbia montana var. robusta Engelm. – not accepted
|
|
Euphorbia multicaulis Engelm. – not accepted
|
|
Euphorbia parryi Engelm. – accepted – Parry's sandmat, dune spurge
|
|
Euphorbia pediculifera Engelm. – accepted – Carrizo Mountain sandmat
|
|
Euphorbia pediculifera var. pediculifera Engelm. – accepted
|
|
Euphorbia peplidion Engelm. – accepted – low spurge
|
|
Euphorbia petaloidea Engelm. – not accepted
|
|
Euphorbia petaloidea var. flagelliformis Engelm. – not accepted
|
|
Euphorbia petaloidea var. intermedia Engelm. – not accepted
|
|
Euphorbia petaloidea var. nicolletii Engelm. – not accepted
|
|
Euphorbia petaloidea var. nuttallii Engelm. – not accepted
|
|
Euphorbia pilulifera var. discolor Engelm. – not accepted
|
|
Euphorbia pycnanthema Engelm. – not accepted
|
|
Euphorbia revoluta Engelm. – accepted – threadstem sandmat, threadstem spurge
|
|
Euphorbia schizoloba Engelm. – accepted – Mojave spurge
|
|
Euphorbia serrula Engelm. – accepted – sawtooth sandmat
|
|
Euphorbia stictospora Engelm. – accepted – slimseed sandmat, mat spurge, narrow-seeded spurge
|
|
Euphorbia stictospora var. stictospora Engelm. – accepted
|
|
Euphorbia tetrapora Engelm. – accepted – weak spurge
|
|
Euphorbia trachysperma Engelm. – accepted – San Pedro River sandmat
|
|
Eysenhardtia spinosa Engelm. – accepted – spiny kidneywood
|
|
Fouquieria splendens Engelm. – accepted – ocotillo
|
|
Gaura suffulta Engelm. – not accepted – kisses, roadside gaura
|
|
Gaura suffulta ssp. suffulta Engelm. – not accepted – kisses
|
|
Gentiana barbellata Engelm. – not accepted
|
|
Gentiana heterosepala Engelm. – not accepted
|
|
Gentiana parryi Engelm. – accepted – Parry's gentian
|
|
Gentiana prostrata var. americana Engelm. – not accepted
|
|
Gentiana wislizeni Engelm. – not accepted
|
|
Geranium fremontii var. parryi Engelm. – not accepted
|
|
Gerardia spiciflora Engelm. – not accepted
|
|
Guaiacum angustifolium Engelm. – accepted – Texas lignum-vitae
|
|
Guajacum angustifolium Engelm. – not accepted – Texas lignum-vitae, guayacan
|
|
Hesperaloe Engelm. – accepted – falseyucca, false yucca
|
|
Heuchera sanguinea Engelm. – accepted – coralbells
|
|
Heuchera sanguinea var. sanguinea Engelm. – not accepted – coralbells
|
|
Isoetes bolanderi Engelm. – accepted – Bolander's quillwort
|
|
Isoetes bolanderi var. bolanderi Engelm. – not accepted – Bolander's quillwort
|
|
Isoetes butleri Engelm. – accepted – limestone quillwort, Butler's quillwort
|
|
Isoetes echinospora var. robusta Engelm. – not accepted
|
|
Isoetes engelmannii var. georgiana Engelm. – not accepted – Appalachian quillwort
|
|
Isoetes engelmannii var. gracilis Engelm. – not accepted
|
|
Isoetes engelmannii var. valida Engelm. – not accepted
|
|
Isoetes flaccida var. chapmanii Engelm. – not accepted – Chapman's quillwort
|
|
Isoetes flaccida var. rigida Engelm. – not accepted – southern quillwort
|
|
Isoetes howellii Engelm. – accepted – Howell's quillwort
|
|
Isoetes lacustris var. paupercula Engelm. – not accepted
|
|
Isoetes melanospora Engelm. – accepted – black-spored quillwort, blackspore quillwort
|
|
Isoetes pygmaea Engelm. – not accepted
|
|
Isoetes riparia var. canadensis Engelm. – not accepted
|
|
Isoetes saccharata Engelm. – not accepted – sugar quillwort
|
|
Jatropha macrorhiza var. septemfida Engelm. – not accepted – ragged nettlespurge, ragged jatropha
|
|
Juncus acuminatus var. robustus Engelm. – not accepted
|
|
Juncus acutus var. sphaerocarpus Engelm. – not accepted
|
|
Juncus arcticus var. sitchensis Engelm. – not accepted
|
|
Juncus articulatus var. obtusatus Engelm. – not accepted
|
|
Juncus balticus var. littoralis Engelm. – not accepted – Baltic rush
|
|
Juncus balticus var. montanus Engelm. – not accepted – mountain rush
|
|
Juncus bolanderi Engelm. – accepted – Bolander's rush
|
|
Juncus brachycarpus Engelm. – accepted – whiteroot rush
|
|
Juncus breweri Engelm. – accepted – Brewer's rush
|
|
Juncus chlorocephalus Engelm. – accepted – greenhead rush
|
|
Juncus cooperi Engelm. – accepted – Cooper rush, Cooper's rush
|
|
Juncus dubius Engelm. – accepted – dubius rush, Mariposa rush, questionable rush
|
|
Juncus effusus var. brunneus Engelm. – not accepted – lamp rush, soft rush
|
|
Juncus hallii Engelm. – accepted – Hall's rush, Hall rush
|
|
Juncus kelloggii Engelm. – accepted – Kellogg's rush, Kellogg's dwarf rush
|
|
Juncus oxymeris Engelm. – accepted – pointed rush
|
|
Juncus parryi Engelm. – accepted – Parry rush, Parry's rush
|
|
Juncus pelocarpus var. crassicaudex Engelm. – not accepted
|
|
Juncus phaeocephalus Engelm. – accepted – brownhead rush
|
|
Juncus phaeocephalus var. glomeratus Engelm. – not accepted
|
|
Juncus phaeocephalus var. paniculatus Engelm. – accepted – brownhead rush
|
|
Juncus phaeocephalus var. phaeocephalus Engelm. – accepted – brownhead rush
|
|
Juncus rugulosis Engelm. – not accepted
|
|
Juncus rugulosus Engelm. – not accepted – wrinkled rush
|
|
Juncus supiniformis Engelm. – accepted – hairyleaf rush
|
|
Juncus tenuis var. congestus Engelm. – not accepted
|
|
Juncus triformis Engelm. – accepted – Yosemite dwarf rush
|
|
Juncus vaseyi Engelm. – accepted – Vasey rush, Vasey's rush
|
|
Juncus xiphioides var. macranthus Engelm. – not accepted
|
|
Juncus xiphioides var. montanus Engelm. – not accepted
|
|
Juncus xiphioides var. triandrus Engelm. – not accepted
|
|
Juniperus californica var. utahensis Engelm. – not accepted
|
|
Juniperus occidentalis var. conjungens Engelm. – not accepted
|
|
Larrea glutinosa Engelm. – not accepted
|
|
Lespedeza leptostachya Engelm. – accepted – prairie lespedeza, prairie bush-clover
|
|
Linum aristatum Engelm. – accepted – bristle flax
|
|
Linum greggii Engelm. – not accepted
|
|
Linum rigidum var. puberulum Engelm. – not accepted
|
|
Mammillaria aggregata Engelm. – not accepted
|
|
Mammillaria applanata Engelm. – not accepted
|
|
Mammillaria arizonica Engelm. – not accepted
|
|
Mammillaria barbata Engelm. – accepted
|
|
Mammillaria compacta Engelm. – not accepted
|
|
Mammillaria dasyacantha Engelm. – not accepted
|
|
Mammillaria deserti Engelm. – not accepted
|
|
Mammillaria echinus Engelm. – not accepted
|
|
Mammillaria fasciculata Engelm. – not accepted
|
|
Mammillaria fissurata Engelm. – not accepted
|
|
Mammillaria grahamii Engelm. – accepted – Graham's pincushion cactus, Graham's nipple cactus
|
|
Mammillaria grahamii ssp. grahamii Engelm. – accepted
|
|
Mammillaria grahamii var. grahamii Engelm. – not accepted – fishhook pincushion, Graham's nipple cactus
|
|
Mammillaria gummifera Engelm. – not accepted – Biznaga lechosa
|
|
Mammillaria hemisphaerica Engelm. – not accepted
|
|
Mammillaria lasiacantha Engelm. – accepted – small pincushion cactus, Biznaga de espinas pubescentes, lacespine nipple cactus
|
|
Mammillaria lasiacantha ssp. lasiacantha Engelm. – not accepted
|
|
Mammillaria lasiacantha var. denudata Engelm. – not accepted
|
|
Mammillaria macromeris Engelm. – not accepted
|
|
Mammillaria meiacantha Engelm. – accepted – Biznaga de pocas espinas
|
|
Mammillaria microcarpa Engelm. – not accepted
|
|
Mammillaria micromeris Engelm. – not accepted
|
|
Mammillaria micromeris var. greggii Engelm. – not accepted
|
|
Mammillaria papyracantha Engelm. – not accepted
|
|
Mammillaria recurvata Engelm. – not accepted
|
|
Mammillaria similis Engelm. – not accepted
|
|
Mammillaria similis var. robustior Engelm. – not accepted
|
|
Mammillaria sulcata Engelm. – not accepted
|
|
Mammillaria tetrancistra Engelm. – accepted – corkseed pincushion cactus, Biznaga de cuatro ganchos, common fishhook cactus
|
|
Mammillaria tuberculosa Engelm. – not accepted
|
|
Mammillaria vivipara var. borealis Engelm. – not accepted
|
|
Mammillaria vivipara var. radiosa Engelm. – not accepted
|
|
Mammillaria wrightii Engelm. – accepted – Wright's pincushion cactus, Biznaga de Wright, Wright's nipple cactus
|
|
Mammillaria wrightii ssp. wrightii Engelm. – accepted
|
|
Mammillaria wrightii var. wrightii Engelm. – not accepted – Wright's nipple cactus
|
|
Martynia arenaria Engelm. – not accepted
|
|
Monanthochloe Engelm. – not accepted – shoregrass, monanthochloe
|
|
Monanthochloe littoralis Engelm. – not accepted – shoregrass
|
|
Myosotis macrosperma Engelm. – accepted – southern forget-me-not, largeseed forget-me-not
|
|
Nuphar polysepala Engelm. – accepted – Rocky Mountain pond-lily
|
|
Opuntia arborescens Engelm. – not accepted
|
|
Opuntia arbuscula Engelm. – not accepted – Cholla arbusto, Arizona pencil cholla, pencil cholla
|
|
Opuntia arenaria Engelm. – not accepted – El Paso pricklypear, sand pricklypear, sand prickly-pear
|
|
Opuntia bigelovii Engelm. – not accepted – Cholla velas de Coyote, teddybear cholla
|
|
Opuntia bigelovii var. bigelovii Engelm. – not accepted – teddybear cholla
|
|
Opuntia bulbispina Engelm. – not accepted
|
|
Opuntia californica Engelm. – not accepted
|
|
Opuntia clavata Engelm. – not accepted – club cholla
|
|
Opuntia dulcis Engelm. – not accepted
|
|
Opuntia emoryi Engelm. – not accepted
|
|
Opuntia engelmannii var. littoralis Engelm. – not accepted
|
|
Opuntia fulgida Engelm. – not accepted – jumping cholla, Cholla brillante
|
|
Opuntia fulgida var. fulgida Engelm. – not accepted – jumping cholla
|
|
Opuntia grahami Engelm. – not accepted
|
|
Opuntia grahamii Engelm. – not accepted – Cholla de Graham, Graham's pricklypear, devil cholla
|
|
Opuntia grandiflora Engelm. – not accepted
|
|
Opuntia lindheimeri Engelm. – not accepted – Nopal arrastrado
|
|
Opuntia macrocentra Engelm. – accepted – Nopal violaceo, purple pricklypear
|
|
Opuntia macrocentra var. macrocentra Engelm. – accepted – purple pricklypear, redjoint pricklypear, longspine pricklypear
|
|
Opuntia macrorhiza Engelm. – accepted – Nopal raizudo, twistspine pricklypear, grassland pricklypear, plains twistspine pricklypear
|
|
Opuntia macrorhiza var. macrorhiza Engelm. – not accepted – twistspine pricklypear, bigflower pricklypear
|
|
Opuntia microcarpa Engelm. – not accepted – smallfruit cactus
|
|
Opuntia parryi Engelm. – not accepted – Cholla de California, brownspined pricklypear
|
|
Opuntia parryi var. parryi Engelm. – not accepted – brownspined pricklypear
|
|
Opuntia phaeacantha Engelm. – accepted – Nopal pardo, tulip pricklypear, brownspine pricklypear
|
|
Opuntia phaeacantha var. major Engelm. – accepted – Mojave pricklypear, great pricklypear
|
|
Opuntia phaeacantha var. phaeacantha Engelm. – accepted – tulip pricklypear
|
|
Opuntia prolifera Engelm. – not accepted – Cholla prolifera, coastal cholla
|
|
Opuntia pulchella Engelm. – not accepted – sagebrush cholla, sand club cholla, sand cholla
|
|
Opuntia rafinesquei Engelm. – not accepted
|
|
Opuntia ramosissima Engelm. – not accepted – Cholla diamante, branched pencil cholla, diamond cholla, pencil cholla
|
|
Opuntia rufida Engelm. – accepted – Nopal rojizo, blind pricklypear
|
|
Opuntia schottii Engelm. – not accepted – Cholla abrojo de Texas, dog cholla, dog cactus
|
|
Opuntia serpentina Engelm. – not accepted – Cholla serpentina
|
|
Opuntia sphaerocarpa var. utahensis Engelm. – not accepted
|
|
Opuntia standlyi Engelm. – not accepted
|
|
Opuntia stanlyi Engelm. – not accepted
|
|
Opuntia stenopetala Engelm. – accepted
|
|
Opuntia strigil Engelm. – accepted – marblefruit pricklypear
|
|
Opuntia subulata Engelm. – not accepted
|
|
Opuntia tenuispina Engelm. – not accepted
|
|
Opuntia thurberi Engelm. – not accepted
|
|
Opuntia vaginata Engelm. – not accepted
|
|
Opuntia violacea Engelm. – not accepted
|
|
Opuntia whipplei var. spinosior Engelm. – not accepted
|
|
Passiflora affinis Engelm. – accepted – bracted passionflower
|
|
Passiflora tenuiloba Engelm. – accepted – birdwing passionflower
|
|
Phoradendron flavescens var. macrophyllum Engelm. – not accepted
|
|
Phoradendron juniperinum var. libocedri Engelm. – not accepted
|
|
Picea pungens Engelm. – accepted – silver spruce, Colorado blue spruce, blue spruce
|
|
Pinus albicaulis Engelm. – accepted – scrub pine, white pine, whitebark pine
|
|
Pinus aristata Engelm. – accepted – bristlecone pine, foxtail pine, hickory pine
|
|
Pinus arizonica Engelm. – accepted – pino de Arizona, Arizona pine
|
|
Pinus arizonica var. arizonica Engelm. – accepted – Arizona pine
|
|
Pinus brachyptera Engelm. – not accepted
|
|
Pinus chihuahuana Engelm. – not accepted – pino de Chihuahua
|
|
Pinus edulis Engelm. – accepted – twoneedle pinyon, nut pine, Colorado pinyon, pinyon, two-leaf pinyon, two-needle pinyon, piñón de Colorado, piñon pine, pinyon pine
|
|
Pinus edulis var. edulis Engelm. – not accepted – twoneedle pinyon
|
|
Pinus elliottii Engelm. – accepted – slash pine
|
|
Pinus elliottii var. elliottii Engelm. – accepted – Honduras pine
|
|
Pinus flexilis var. reflexa Engelm. – not accepted
|
|
Pinus ponderosa var. scopulorum Engelm. – accepted – interior pondersosa pine, Black Hills ponderosa pine, ponderosa pine, Rocky Mountain ponderosa pine
|
|
Pinus strobiformis Engelm. – accepted – southwestern white pine, border limber pine, border white pine, Mexican white pine
|
|
Plantago pusilla var. major Engelm. – not accepted
|
|
Polygonum tenue var. microspermum Engelm. – not accepted
|
|
Portulaca lanceolata Engelm. – not accepted
|
|
Portulaca retusa Engelm. – not accepted
|
|
Portulaca suffrutescens Engelm. – accepted – shrubby purslane
|
|
Quercus agrifolia var. frutescens Engelm. – not accepted – coastal live oak
|
|
Quercus breweri Engelm. – not accepted
|
|
Quercus falcata var. subintegra Engelm. – not accepted
|
|
Quercus muehlenbergii Engelm. – accepted – chinkapin oak
|
|
Quercus muhlenbergii Engelm. – not accepted – chinkapin oak
|
|
Quercus palmeri Engelm. – accepted – Palmer's oak
|
|
Quercus tomentella Engelm. – accepted – island oak, island live oak
|
|
Quercus wislizeni var. frutescens Engelm. – not accepted – interior live oak
|
|
Quercus wislizenii var. frutescens Engelm. – not accepted
|
|
Ranunculus lindheimeri Engelm. – not accepted
|
|
Ranunculus pusillus var. trachyspermus Engelm. – not accepted
|
|
Rosa minutifolia Engelm. – accepted – Baja rose, small-leaved rose
|
|
Sagittaria calycina Engelm. – not accepted – hooded arrowhead
|
|
Sagittaria calycina var. calycina Engelm. – not accepted – hooded arrowhead
|
|
Sagittaria calycina var. spongiosa Engelm. – not accepted – spongy arrow-head, sagittaire à grand calice variété spongieuse, hooded arrowhead
|
|
Sagittaria cristata Engelm. – accepted – crested arrowhead
|
|
Sagittaria graminea var. platyphylla Engelm. – not accepted
|
|
Sagittaria spongiosus (Engelm.) – not accepted
|
|
Sagittaria variabilis var. obtusa Engelm. – not accepted
|
|
Sida heterocarpa Engelm. – not accepted
|
|
Sparganium eurycarpum Engelm. – accepted – broad-fruit burr-reed, broadfruit burreed, giant burreed, broadfruit bur-reed
|
|
Stellaria obtusa Engelm. – accepted – Rocky Mountain chickweed
|
|
Styrax platanifolia Engelm. – not accepted – sycamoreleaf snowbell
|
|
Talinum aurantiacum Engelm. – not accepted – orange fameflower
|
|
Talinum aurantiacum var. angustissimum Engelm. – not accepted
|
|
Talinum calycinum Engelm. – not accepted – rockpink, largeflower fameflower
|
|
Tsuga caroliniana Engelm. – accepted – Carolina hemlock
|
|
Verbena X paniculatistricta Engelm. – not accepted
|
|
Vitis aestivalis var. canescens Engelm. – not accepted
|
|
Vitis aestivalis var. cinerea Engelm. – not accepted
|
|
Vitis arizonica Engelm. – accepted – canyon grape
|
|
Vitis cordifolia var. foetida Engelm. – not accepted
|
|
Wislizenia Engelm. – accepted
|
|
Wislizenia refracta Engelm. – accepted – jackass clover, spectacle fruit
|
|
Wislizenia refracta ssp. refracta Engelm. – not accepted – spectacle fruit
|
|
Yucca angustissima var. elata Engelm. – not accepted
|
|
Yucca angustissima var. mollis Engelm. – not accepted
|
|
Yucca brevifolia Engelm. – accepted – Izote de desierto, Joshua tree
|
|
Yucca brevifolia var. brevifolia Engelm. – accepted – Joshua tree, western Joshua tree
|
|
Yucca crassifila Engelm. – not accepted
|
|
Yucca crassifolia Engelm. – not accepted
|
|
Yucca elata Engelm. – accepted – Izote forrajero, soaptree yucca
|
|
Yucca elata var. elata Engelm. – accepted – soaptree yucca
|
|
Yucca schottii Engelm. – not accepted – Izote de Schott, Schott's yucca
|
|
Aristolochia longiflora Engelm. & A. Gray – not accepted
|
|
Brazoria Engelm. & A. Gray – accepted – brazosmint, brazos-mint
|
|
Brazoria scutellarioides Engelm. & A. Gray – not accepted – prairie brazosmint
|
|
Daucosma laciniata Engelm. & A. Gray – accepted – meadow parasol
|
|
Dipteracanthus micranthus Engelm. & A. Gray – not accepted
|
|
Dipteracanthus nudiflorus Engelm. & A. Gray – not accepted
|
|
Eriogonum longifolium var. plantagineum Engelm. & A. Gray – not accepted
|
|
Euphorbia arenaria Engelm. & A. Gray – not accepted
|
|
Euphorbia arkansana Engelm. & A. Gray – not accepted
|
|
Euphorbia bicolor Engelm. & A. Gray – accepted – snow on the prairie, snow-on-the-prairie
|
|
Euphorbia bicolor var. concolor Engelm. & A. Gray – not accepted
|
|
Euphorbia marginata var. uloleuca Engelm. & A. Gray – not accepted
|
|
Eustylis Engelm. & A. Gray – not accepted
|
|
Fendlera Engelm. & A. Gray – accepted – fendlerbush
|
|
Fendlera rupicola Engelm. & A. Gray – accepted – fendlerbush, cliff fendlerbush
|
|
Gaura lindheimeri Engelm. & A. Gray – not accepted – white gaura, Lindheimer's beeblossom
|
|
Gonolobus cynanchoides Engelm. & A. Gray – not accepted
|
|
Helianthus praecox Engelm. & A. Gray – accepted – Texas sunflower
|
|
Helianthus praecox ssp. praecox Engelm. & A. Gray – accepted – Texas sunflower
|
|
Hypericum gymnanthum Engelm. & A. Gray – accepted – claspingleaf St. Johnswort
|
|
Liatris acidota Engelm. & A. Gray – accepted – sharp blazing star, sharp gayfeather
|
|
Ludwigia linearis var. puberula Engelm. & A. Gray – not accepted
|
|
Polygonum cristatum Engelm. & A. Gray – not accepted
|
|
Prunus gracilis Engelm. & A. Gray – accepted – Oklahoma plum
|
|
Ranunculus texensis Engelm. & A. Gray – not accepted
|
|
Scutellaria cardiophylla Engelm. & A. Gray – accepted – gulf skullcap
|
|
Sida lindheimeri Engelm. & A. Gray – accepted – showy fanpetals, Lindheimer's sida
|
|
Silene antirrhina var. laevigata Engelm. & A. Gray – not accepted
|
|
Silene antirrhina var. subglaber Engelm. & A. Gray – not accepted
|
|
Sisyrinchium minus Engelm. & A. Gray – accepted – dwarf blueeyed grass, dwarf blue-eyed grass
|
|
Spartina junciformis Engelm. & A. Gray – not accepted
|
|
Spiranthes vernalis Engelm. & A. Gray – accepted – spring lady's tresses, upland ladiestresses, spring ladies'-tresses
|
|
Tragia brevispica Engelm. & A. Gray – accepted – shortspike noseburn
|
|
Phacelia patuliflora (Engelm. & A. Gray) A. Gray – accepted – sand scorpionweed, sand phacelia
|
|
Phacelia patuliflora var. patuliflora (Engelm. & A. Gray) A. Gray – accepted – sand phacelia, sand scorpionweed
|
|
Phacelia strictiflora (Engelm. & A. Gray) A. Gray – accepted – prairie phacelia
|
|
Phacelia strictiflora var. strictiflora (Engelm. & A. Gray) A. Gray – accepted – prairie phacelia, prairie scorpionweed
|
|
Simsia calva (Engelm. & A. Gray) A. Gray – accepted – awnless bushsunflower
|
|
Croton lindheimeri (Engelm. & A. Gray) Alph. Wood – accepted – Lindheimer's hogwort
|
|
Camassia angusta (Engelm. & A. Gray) Blank. – accepted – prairie camas
|
|
Hypoxis hirsuta var. leptocarpa (Engelm. & A. Gray) Brackett – not accepted
|
|
Ruellia strepens var. micrantha (Engelm. & A. Gray) Britton – not accepted
|
|
Neobesseya similis (Engelm. & A. Gray) Britton & Rose – not accepted
|
|
Bilderdykia scandens var. cristata (Engelm. & A. Gray) C.F. Reed – not accepted
|
|
Daucosma Engelm. & A. Gray ex A. Gray – accepted
|
|
Monarda lindheimeri Engelm. & A. Gray ex A. Gray – accepted – Lindheimer's beebalm
|
|
Tetragonotheca texana Engelm. & A. Gray ex A. Gray – accepted – squarebud daisy
|
|
Tetragonothela texana Engelm. & A. Gray ex A. Gray – not accepted
|
|
Polygonum scandens var. cristatum (Engelm. & A. Gray) Gleason – not accepted – false buckwheat, climbing false buckwheat
|
|
Bilderdykia cristata (Engelm. & A. Gray) Greene – not accepted
|
|
Helianthus debilis ssp. praecox (Engelm. & A. Gray) Heiser – not accepted
|
|
Ibidium vernale (Engelm. & A. Gray) House – not accepted
|
|
Dichrophyllum bicolor (Engelm. & A. Gray) Klotzsch & Garcke – not accepted
|
|
Tithymalus arkansanus (Engelm. & A. Gray) Klotzsch & Garcke – not accepted
|
|
Lacinaria acidota (Engelm. & A. Gray) Kuntze – not accepted
|
|
Warnockia scutellarioides (Engelm. & A. Gray) M.W. Turner – accepted – prairie brazosmint
|
|
Limnosciadium pumilum (Engelm. & A. Gray) Mathias & Constance – accepted – prairie dogshade
|
|
Argythammia humilis (Engelm. & A. Gray) Müll. Arg. – not accepted
|
|
Argythamnia humilis (Engelm. & A. Gray) Müll. Arg. – not accepted – low wildmercury, low silverbush
|
|
Argythamnia humilis var. humilis (Engelm. & A. Gray) Müll. Arg. – not accepted – low wildmercury, low silverbush
|
|
Croton capitatus var. lindheimeri (Engelm. & A. Gray) Müll. Arg. – not accepted – Lindheimer's hogwort
|
|
Lepadena bicolor (Engelm. & A. Gray) Nieuwl. – not accepted
|
|
Paysonia auriculata (Engelm. & A. Gray) O'Kane & Al-Shehbaz – accepted – earleaf bladderpod
|
|
Ditaxis humilis (Engelm. & A. Gray) Pax – accepted – low silverbush
|
|
Lesquerella auriculata (Engelm. & A. Gray) S. Watson – not accepted – earleaf bladderpod
|
|
Reynoutria scandens var. cristata (Engelm. & A. Gray) Shinners – not accepted
|
|
Hypoxis leptocarpa (Engelm. & A. Gray) Small – not accepted
|
|
Tiniaria cristata (Engelm. & A. Gray) Small – not accepted
|
|
Galarhoeus arkansanus (Engelm. & A. Gray) Small ex Rydb. – not accepted
|
|
Spartina densiflora var. junciformis (Engelm. & A. Gray) St.-Yves – not accepted
|
|
Ruellia nudiflora (Engelm. & A. Gray) Urb. – accepted – wild petunia, violet wild petunia
|
|
Ruellia nudiflora var. nudiflora (Engelm. & A. Gray) Urb. – accepted – violet wild petunia
|
|
Oenothera lindheimeri (Engelm. & A. Gray) W.L. Wagner & Hoch – accepted – Lindheimer's beeblossom
|
|
Matelea cynanchoides (Engelm. & A. Gray) Woodson – accepted – prairie milkvine
|
|
Echinocactus polyancistrus Engelm. & J.M. Bigelow – not accepted
|
|
Echinocactus polycephalus Engelm. & J.M. Bigelow – accepted – Biznaga-tonel amacollada, cottontop cactus, cottontop barrel cactus
|
|
Echinocactus polycephalus ssp. polycephalus Engelm. & J.M. Bigelow – accepted
|
|
Echinocactus polycephalus var. polycephalus Engelm. & J.M. Bigelow – not accepted – cottontop cactus
|
|
Echinocactus whipplei Engelm. & J.M. Bigelow – not accepted
|
|
Opuntia acanthocarpa Engelm. & J.M. Bigelow – not accepted – Cholla espinosa, buckhorn cholla
|
|
Opuntia acanthocarpa ssp. acanthocarpa Engelm. & J.M. Bigelow – not accepted
|
|
Opuntia acanthocarpa var. acanthocarpa Engelm. & J.M. Bigelow – not accepted – buckhorn cholla
|
|
Opuntia basilaris Engelm. & J.M. Bigelow – accepted – Nopal del castor, beavertail pricklypear
|
|
Opuntia basilaris var. basilaris Engelm. & J.M. Bigelow – accepted – beavertail pricklypear
|
|
Opuntia brachyarthra Engelm. & J.M. Bigelow – not accepted
|
|
Opuntia camanchica Engelm. & J.M. Bigelow – not accepted
|
|
Opuntia chlorotica Engelm. & J.M. Bigelow – accepted – Nopal verdoso, dollarjoint pricklypear, pancake pricklypear
|
|
Opuntia chlorotica var. chlorotica Engelm. & J.M. Bigelow – not accepted
|
|
Opuntia cymochila Engelm. & J.M. Bigelow – not accepted – grassland pricklypear
|
|
Opuntia davisii Engelm. & J.M. Bigelow – not accepted
|
|
Opuntia echinocarpa Engelm. & J.M. Bigelow – not accepted – Cholla plateada, silver cholla, golden cholla
|
|
Opuntia echinocarpa var. echinocarpa Engelm. & J.M. Bigelow – not accepted – staghorn cholla
|
|
Opuntia echinocarpa var. major Engelm. & J.M. Bigelow – not accepted
|
|
Opuntia engelmannii var. cycloides Engelm. & J.M. Bigelow – not accepted
|
|
Opuntia erinacea Engelm. & J.M. Bigelow – not accepted – grizzlybear pricklypear, Mohave pricklypear
|
|
Opuntia erinacea var. erinacea Engelm. & J.M. Bigelow – not accepted – grizzlybear pricklypear
|
|
Opuntia hystricina Engelm. & J.M. Bigelow – not accepted – Nopal puerco espín
|
|
Opuntia missouriensis var. trichophora Engelm. & J.M. Bigelow – not accepted
|
|
Opuntia mojavensis Engelm. & J.M. Bigelow – not accepted
|
|
Opuntia occidentalis Engelm. & J.M. Bigelow – not accepted
|
|
Opuntia sphaerocarpa Engelm. & J.M. Bigelow – not accepted
|
|
Opuntia tortispina Engelm. & J.M. Bigelow – accepted
|
|
Opuntia whipplei Engelm. & J.M. Bigelow – not accepted – Whipple's cholla
|
|
Opuntia whipplei var. whipplei Engelm. & J.M. Bigelow – not accepted – Whipple cholla
|
|
Pediocactus polyancistrus (Engelm. & J.M. Bigelow) Arp – not accepted
|
|
Pediocactus whipplei (Engelm. & J.M. Bigelow) Arp – not accepted
|
|
Opuntia polyacantha var. erinacea (Engelm. & J.M. Bigelow) B.D. Parfitt – accepted
|
|
Opuntia polyacantha var. hystricina (Engelm. & J.M. Bigelow) B.D. Parfitt – accepted
|
|
Echinocereus triglochidiatus var. gonacanthus (Engelm. & J.M. Bigelow) Boissev. – not accepted
|
|
Opuntia trichophora (Engelm. & J.M. Bigelow) Britton & Rose – not accepted – Nopal peludito
|
|
Sclerocactus polyancistrus (Engelm. & J.M. Bigelow) Britton & Rose – accepted – redspined fishhook cactus, Mojave fishhook cactus, Mohave fishhook cactus
|
|
Sclerocactus whipplei (Engelm. & J.M. Bigelow) Britton & Rose – accepted – Whipple's fishhook cactus
|
|
Sclerocactus whipplei ssp. whipplei (Engelm. & J.M. Bigelow) Britton & Rose – not accepted
|
|
Sclerocactus whipplei var. whipplei (Engelm. & J.M. Bigelow) Britton & Rose – not accepted – Whipple's fishhook cactus
|
|
Opuntia compressa var. stenochila (Engelm. & J.M. Bigelow) D. Weniger – not accepted
|
|
Emorycactus polycephalus (Engelm. & J.M. Bigelow) Doweld – not accepted
|
|
Opuntia polyacantha var. rufispina (Engelm. & J.M. Bigelow ex Engelm.) L.D. Benson – accepted – hairspine pricklypear, plains pricklypear, red-spine pricklypear
|
|
Cylindropuntia acanthocarpa (Engelm. & J.M. Bigelow) F.M. Knuth – accepted
|
|
Cylindropuntia acanthocarpa ssp. acanthocarpa (Engelm. & J.M. Bigelow) F.M. Knuth – accepted
|
|
Cylindropuntia davisii (Engelm. & J.M. Bigelow) F.M. Knuth – accepted
|
|
Cylindropuntia echinocarpa (Engelm. & J.M. Bigelow) F.M. Knuth – accepted
|
|
Cylindropuntia whipplei (Engelm. & J.M. Bigelow) F.M. Knuth – accepted
|
|
Opuntia phaeacantha var. mojavensis (Engelm. & J.M. Bigelow) Fosberg – not accepted
|
|
Opuntia fragilis var. brachyarthra (Engelm. & J.M. Bigelow) J.M. Coult. – not accepted – brittle pricklypear, Brach pricklypear cactus
|
|
Opuntia polyacantha var. trichophora (Engelm. & J.M. Bigelow) J.M. Coult. – not accepted – hairspine pricklypear, threadspine pricklypear
|
|
Echinocereus triglochidiatus var. mojavensis (Engelm. & J.M. Bigelow) L.D. Benson – not accepted – Mojave kingcup cactus, Mohave hedgehog cactus
|
|
Opuntia acanthocarpa var. major (Engelm. & J.M. Bigelow) L.D. Benson – not accepted – buckhorn cholla, slender joint buckhorn cholla
|
|
Opuntia erinacea var. hystricina (Engelm. & J.M. Bigelow) L.D. Benson – not accepted – grizzlybear pricklypear, porcupine pricklypear
|
|
Opuntia phaeacantha var. camanchica (Engelm. & J.M. Bigelow) L.D. Benson – accepted – tulip pricklypear, brownspine pricklypear
|
|
Opuntia tunicata var. davisii (Engelm. & J.M. Bigelow) L.D. Benson – not accepted – thistle cholla, Jeff Davis cholla
|
|
Echinocereus coccineus ssp. mojavensis (Engelm. & J.M. Bigelow) N.P. Taylor – not accepted
|
|
Ferocactus polyancistrus (Engelm. & J.M. Bigelow) N.P. Taylor – not accepted
|
|
Ferocactus whipplei (Engelm. & J.M. Bigelow) N.P. Taylor – not accepted
|
|
Opuntia X occidentalis Engelm. & J.M. Bigelow (pro sp.) – accepted – pricklypear
|
|
Echinocereus engelmannii var. chrysocentrus (Engelm. & J.M. Bigelow) Rümpler – accepted – Engelmann's hedgehog cactus, yellow-center hedgehog cactus, Saint's hedgehog cactus
|
|
Echinocereus engelmannii var. variegatus (Engelm. & J.M. Bigelow) Rümpler – accepted – Engelmann's hedgehog cactus, varigated hedgehog cactus
|
|
Echinocereus hexaedrus (Engelm. & J.M. Bigelow) Rümpler – not accepted
|
|
Echinocereus mojavensis (Engelm. & J.M. Bigelow) Rümpler – not accepted
|
|
Cylindropuntia acanthocarpa ssp. major (Engelm. & J.M. Bigelow) U. Guzmán – accepted
|
|
Echinocereus triglochidiatus ssp. mojavensis (Engelm. & J.M. Bigelow) W. Blum & Mich. Lange – not accepted
|
|
Opuntia fragilis ssp. brachyarthra (Engelm. & J.M. Bigelow) W.A. Weber – not accepted
|
|
Agave glomeruliflora (Engelm.) A. Berger – not accepted – Chisos Mountain century plant, Chisos agave, Maguey del Bravo
|
|
Agave X glomeruliflora (Engelm.) A. Berger – accepted – Chisos Mountain century plant
|
|
Coryphantha tuberculosa (Engelm.) A. Berger – not accepted
|
|
Roseocactus fissuratus (Engelm.) A. Berger – not accepted
|
|
Cirsium altissimum var. filipendulum (Engelm.) A. Gray – not accepted
|
|
Porlieria angustifolia (Engelm.) A. Gray – not accepted
|
|
Ranunculus pusillus var. lindheimeri (Engelm.) A. Gray – not accepted
|
|
Geranium parryi (Engelm.) A. Heller – not accepted
|
|
Linum puberulum (Engelm.) A. Heller – accepted – desert flax, plains flax
|
|
Tithymalus crenulatus (Engelm.) A. Heller – not accepted
|
|
Mammillaria neomexicana (Engelm.) A. Nelson – not accepted
|
|
Epithelantha micromeris (Engelm.) A. Weber ex Britton & Rose – accepted – Biznaga-blanca chilona, pingpong ball cactus
|
|
Epithelantha micromeris ssp. micromeris (Engelm.) A. Weber ex Britton & Rose – not accepted
|
|
Epithelantha micromeris var. micromeris (Engelm.) A. Weber ex Britton & Rose – not accepted – pingpong ball cactus
|
|
Equisetum hyemale var. affine (Engelm.) A.A. Eaton – not accepted – scouringrush horsetail, stout scouringrush, tall scouring-rush
|
|
Isoetes canadensis (Engelm.) A.A. Eaton – not accepted
|
|
Isoetes paupercula (Engelm.) A.A. Eaton – not accepted
|
|
Stenocereus gummosus (Engelm.) A.C. Gibson & K.E. Horak – accepted
|
|
Opuntia imbricata var. arborescens (Engelm.) A.D. Zimmerman – not accepted
|
|
Pinus ponderosa ssp. arizonica (Engelm.) A.E. Murray – not accepted
|
|
Pinus ponderosa ssp. scopulorum (Engelm.) A.E. Murray – not accepted – Black Hills pondersosa pine, Rocky Mountain ponderosa pine
|
|
Chamaesyce arizonica (Engelm.) Arthur – not accepted – Arizona sandmat
|
|
Abies balsamea var. fallax (Engelm.) B. Boivin – not accepted
|
|
Juncus arcticus var. littoralis (Engelm.) B. Boivin – not accepted
|
|
Juncus greenei var. vaseyi (Engelm.) B. Boivin – not accepted
|
|
Sagittaria montevidensis var. spongiosa (Engelm.) B. Boivin – not accepted
|
|
Opuntia polyacantha var. arenaria (Engelm.) B.D. Parfitt – accepted
|
|
Opuntia engelmannii var. lindheimeri (Engelm.) B.D. Parfitt & Pinkava – accepted – Texas pricklypear
|
|
Centaurium nudicaule (Engelm.) B.L. Rob. – not accepted – Santa Catalina centaurium, Santa Catalina Mountain centaury
|
|
Coryphantha vivipara var. neomexicana (Engelm.) Backeb. – not accepted
|
|
Coryphantha vivipara var. radiosa (Engelm.) Backeb. – not accepted
|
|
Echinomastus intertextus var. dasyacanthus (Engelm.) Backeb. – not accepted
|
|
Glandulicactus uncinatus var. wrightii (Engelm.) Backeb. – not accepted
|
|
Lepidocoryphantha macromeris (Engelm.) Backeb. – not accepted
|
|
Marshallocereus thurberi (Engelm.) Backeb. – not accepted
|
|
Peniocereus greggii var. transmontanus (Engelm.) Backeb. – accepted – nightblooming cereus
|
|
Hesperoyucca (Engelm.) Baker – accepted
|
|
Sagittaria graminea var. cristata (Engelm.) Bogin – not accepted
|
|
Sagittaria montevidensis ssp. calycina (Engelm.) Bogin – accepted – hooded arrowhead
|
|
Sagittaria montevidensis ssp. spongiosa (Engelm.) Bogin – accepted – hooded arrowhead, tidal arrowhead
|
|
Euphorbia adenoptera var. indivisa (Engelm.) Boiss. – not accepted
|
|
Euphorbia cuphosperma (Engelm.) Boiss. – accepted – hairy-fruit spurge, Hairy-fruited Spurge
|
|
Euphorbia leptocera var. crenulata (Engelm.) Boiss. – not accepted
|
|
Euphorbia zygophylloides var. flagelliformis (Engelm.) Boiss. – not accepted
|
|
Sclerocactus whipplei var. spinosior (Engelm.) Boissev. – not accepted
|
|
Echinocereus triglochidiatus var. hexaedrus (Engelm.) Boissev. & C. Davidson – not accepted
|
|
Mammillaria prolifera var. texana (Engelm.) Borg – not accepted – Texas nipple cactus
|
|
Pachycereus thurberi (Engelm.) Bravo – not accepted
|
|
Capnoides montanum (Engelm.) Britton – not accepted
|
|
Ancistrocactus brevihamatus (Engelm.) Britton & Rose – not accepted
|
|
Bergerocactus emoryi (Engelm.) Britton & Rose – accepted – golden snakecactus, Órgano aterciopelado
|
|
Bergerocereus emoryi (Engelm.) Britton & Rose – not accepted
|
|
Carnegia gigantea (Engelm.) Britton & Rose – not accepted
|
|
Carnegiea gigantea (Engelm.) Britton & Rose – accepted – Saguaro, saguaro
|
|
Coryphantha aggregata (Engelm.) Britton & Rose – not accepted
|
|
Coryphantha chlorantha (Engelm.) Britton & Rose – not accepted
|
|
Coryphantha compacta (Engelm.) Britton & Rose – accepted
|
|
Coryphantha deserti (Engelm.) Britton & Rose – not accepted
|
|
Coryphantha echinus (Engelm.) Britton & Rose – not accepted – Biznaga-partida erizo, rhinoceros cactus
|
|
Coryphantha neomexicana (Engelm.) Britton & Rose – not accepted
|
|
Coryphantha pectinata (Engelm.) Britton & Rose – not accepted
|
|
Coryphantha recurvata (Engelm.) Britton & Rose – accepted – Biznaga-partida de espinas curvas, Santa Cruz beehive cactus
|
|
Coryphantha similis (Engelm.) Britton & Rose – not accepted
|
|
Coryphantha sulcata (Engelm.) Britton & Rose – accepted – pineapple cactus, finger cactus
|
|
Coryphantha sulcata var. sulcata (Engelm.) Britton & Rose – not accepted – pineapple cactus
|
|
Echinomastus intertextus (Engelm.) Britton & Rose – not accepted
|
|
Echinomastus intertextus var. intertextus (Engelm.) Britton & Rose – not accepted
|
|
Echinomastus unguispinus (Engelm.) Britton & Rose – not accepted
|
|
Escobaria dasyacantha (Engelm.) Britton & Rose – accepted – Biznaga-Escobar de espinas gruesas, Big Bend foxtail cactus
|
|
Escobaria dasyacantha ssp. dasyacantha (Engelm.) Britton & Rose – accepted
|
|
Escobaria dasyacantha var. dasyacantha (Engelm.) Britton & Rose – not accepted – Big Bend foxtail cactus
|
|
Escobaria tuberculosa (Engelm.) Britton & Rose – accepted – Biznaga-Escobar rómbica, white column foxtail cactus
|
|
Ferocactus lecontei (Engelm.) Britton & Rose – not accepted – Biznaga-barril de Gila
|
|
Ferocactus wislizeni (Engelm.) Britton & Rose – accepted – Biznaga-barril de Nuevo México, candy barrel cactus, fishhook barrel cactus
|
|
Ferocactus wislizenii (Engelm.) Britton & Rose – not accepted
|
|
Lemaireocereus thurberi (Engelm.) Britton & Rose – not accepted
|
|
Lophocereus (Engelm.) Britton & Rose – not accepted
|
|
Lophocereus schottii (Engelm.) Britton & Rose – not accepted – Senita
|
|
Machaerocereus gummosus (Engelm.) Britton & Rose – not accepted
|
|
Pediocactus simpsonii (Engelm.) Britton & Rose – accepted – snowball pediocactus, Simpson's hedgehog cactus
|
|
Pediocactus simpsonii ssp. simpsonii (Engelm.) Britton & Rose – not accepted
|
|
Pediocactus simpsonii var. simpsonii (Engelm.) Britton & Rose – not accepted – Simpson hedgehog cactus, Simpson's hedgehog cactus
|
|
Peniocereus greggii (Engelm.) Britton & Rose – accepted – nightblooming cereus
|
|
Peniocereus greggii var. greggii (Engelm.) Britton & Rose – accepted – Gregg's nightblooming cereus
|
|
Phellosperma tetrancistra (Engelm.) Britton & Rose – not accepted
|
|
Toumeya papyracantha (Engelm.) Britton & Rose – not accepted
|
|
Neomammillaria similis (Engelm.) Britton & Rose ex Rydb. – not accepted
|
|
Juncus brachycephalus (Engelm.) Buchenau – accepted – small-head rush, smallhead rush
|
|
Escobaria chlorantha (Engelm.) Buxb. – accepted
|
|
Escobaria deserti (Engelm.) Buxb. – not accepted
|
|
Escobaria neomexicana (Engelm.) Buxb. – not accepted
|
|
Escobaria vivipara var. neomexicana (Engelm.) Buxb. – not accepted – New Mexico spinystar
|
|
Stenocereus thurberi (Engelm.) Buxb. – accepted – organpipe cactus, Pitayo dulce
|
|
Stenocereus thurberi ssp. thurberi (Engelm.) Buxb. – accepted
|
|
Juncus ensifolius var. montanus (Engelm.) C.L. Hitchc. – not accepted – Rocky Mountain rush
|
|
Equisetum hyemale var. elatum (Engelm.) C.V. Morton – not accepted
|
|
Equisetum hyemale ssp. affine (Engelm.) Calder & Roy L. Taylor – accepted – prêle d'hiver, scouringrush horsetail
|
|
Myosotis verna var. macrosperma (Engelm.) Chapm. – not accepted
|
|
Isoetes bolanderi var. pygmaea (Engelm.) Clute – not accepted – pygmy quillwort
|
|
Isoetes valida (Engelm.) Clute – not accepted – strong quillwort
|
|
Opuntia littoralis (Engelm.) Cockerell – accepted – Nopal del litoral, coastal pricklypear
|
|
Opuntia littoralis var. littoralis (Engelm.) Cockerell – accepted – coastal pricklypear
|
|
Pediocactus simpsonii var. minor (Engelm.) Cockerell – not accepted – snowball cactus
|
|
Phoradendron macrophyllum (Engelm.) Cockerell – not accepted – Colorado Desert mistletoe
|
|
Phoradendron macrophyllum ssp. macrophyllum (Engelm.) Cockerell – not accepted – Colorado Desert mistletoe
|
|
Melothria pendula var. chlorocarpa (Engelm.) Cogn. – not accepted
|
|
Agave tigrina (Engelm.) Cory – not accepted
|
|
Juncus robustus (Engelm.) Coville – not accepted
|
|
Juncus texanus (Engelm.) Coville – accepted – Texas rush
|
|
Juncus subcaudatus (Engelm.) Coville & S.F. Blake – accepted – woodland rush
|
|
Juncus subcaudatus var. subcaudatus (Engelm.) Coville & S.F. Blake – not accepted – woodland rush
|
|
Arceuthobium vaginatum var. cryptopodum (Engelm.) Cronquist – not accepted
|
|
Oenothera pallida var. runcinata (Engelm.) Cronquist – not accepted
|
|
Echinocereus caespitosus var. minor (Engelm.) D. Weniger – not accepted
|
|
Echinocereus coccineus var. conoideus (Engelm.) D. Weniger – not accepted
|
|
Echinocereus pectinatus var. ctenoides (Engelm.) D. Weniger – not accepted
|
|
Mammillaria vivipara var. deserti (Engelm.) D. Weniger – not accepted
|
|
Opuntia compressa var. fuscoatra (Engelm.) D. Weniger – not accepted
|
|
Opuntia compressa var. grandiflora (Engelm.) D. Weniger – not accepted
|
|
Opuntia phaeacantha var. tenuispina (Engelm.) D. Weniger – not accepted
|
|
Sclerocactus spinosior (Engelm.) D. Woodruff & L.D. Benson – accepted – desert valley fishhook cactus, desert valley fish-hook cactus
|
|
Sclerocactus spinosior ssp. spinosior (Engelm.) D. Woodruff & L.D. Benson – not accepted
|
|
Glandulicactus wrightii (Engelm.) D.J. Ferguson – not accepted
|
|
Escobaria missouriensis var. caespitosa (Engelm.) D.R. Hunt – not accepted
|
|
Escobaria missouriensis var. robustior (Engelm.) D.R. Hunt – accepted – Missouri foxtail cactus
|
|
Escobaria vivipara var. arizonica (Engelm.) D.R. Hunt – not accepted – Arizona spinystar, Arizona pincushion cactus
|
|
Escobaria vivipara var. deserti (Engelm.) D.R. Hunt – not accepted – desert spinystar
|
|
Escobaria vivipara var. radiosa (Engelm.) D.R. Hunt – not accepted – spinystar
|
|
Mammillaria heyderi ssp. gummifera (Engelm.) D.R. Hunt – accepted
|
|
Mammillaria heyderi ssp. hemisphaerica (Engelm.) D.R. Hunt – accepted
|
|
Mammillaria heyderi ssp. meiacantha (Engelm.) D.R. Hunt – not accepted
|
|
Mammillaria prolifera ssp. texana (Engelm.) D.R. Hunt – accepted
|
|
Pachycereus schottii (Engelm.) D.R. Hunt – accepted – senita cactus
|
|
Sclerocactus brevihamaticus (Engelm.) D.R. Hunt – not accepted
|
|
Sclerocactus brevihamatus (Engelm.) D.R. Hunt – accepted – shorthook fishhook cactus
|
|
Sclerocactus brevihamatus ssp. brevihamatus (Engelm.) D.R. Hunt – accepted
|
|
Proboscidea arenaria (Engelm.) Decne. – not accepted
|
|
Chamaesyce missurica var. petaloidea (Engelm.) Dorn – not accepted
|
|
Euphorbia brachycera var. robusta (Engelm.) Dorn – not accepted
|
|
Euphorbia missurica var. petaloidea (Engelm.) Dorn – not accepted
|
|
Gentianella amarella var. heterosepala (Engelm.) Dorn – not accepted
|
|
Polygonum douglasii var. microspermum (Engelm.) Dorn – not accepted
|
|
Emorycactus parryi (Engelm.) Doweld – not accepted
|
|
Poinsettia colorata (Engelm.) Dressler – not accepted
|
|
Thelocactus setispinus (Engelm.) E.F. Anderson – accepted – miniature barrel cactus, Biznaga-pezón setosa, fishhook cactus
|
|
Nuphar lutea ssp. polysepala (Engelm.) E.O. Beal – not accepted – Rocky Mountain pond-lily, Rocky Mountain cowlily, yellow pond-lily, Rocky Mountain pondlily
|
|
Nuphar luteum var. polysepalum (Engelm.) E.O. Beal – not accepted
|
|
Cereus enneacanthus (Engelm.) Engelm. – not accepted
|
|
Echinocactus papyracanthus (Engelm.) Engelm. – not accepted
|
|
Echinocereus caespitosus (Engelm.) Engelm. – not accepted
|
|
Euphorbia flagelliformis (Engelm.) Engelm. – not accepted
|
|
Mammillaria heyderi var. applanata (Engelm.) Engelm. – not accepted
|
|
Mammillaria heyderi var. hemisphaerica (Engelm.) Engelm. – not accepted – little nipple cactus
|
|
Mammillaria vivipara var. neomexicana (Engelm.) Engelm. – not accepted
|
|
Opuntia phaeacantha var. brunnea (Engelm.) Engelm. – not accepted
|
|
Opuntia phaeacantha var. nigricans (Engelm.) Engelm. – not accepted
|
|
Phoradendron flavescens var. orbiculatum (Engelm.) Engelm. – not accepted
|
|
Pinus balfouriana var. aristata (Engelm.) Engelm. – not accepted
|
|
Pinus reflexa (Engelm.) Engelm. – not accepted
|
|
Opuntia engelmannii var. dulcis (Engelm.) Engelm. ex K. Schum. – not accepted
|
|
Vitis cinerea (Engelm.) Engelm. ex Millard – accepted – sweet grape, graybark grape
|
|
Vitis cinerea var. cinerea (Engelm.) Engelm. ex Millard – accepted – graybark grape
|
|
Echinocereus dubius (Engelm.) Engelm. ex Rümpler – not accepted
|
|
Acanthocereus (Engelm. ex A. Berger) Britton & Rose – accepted – triangle cactus
|
|
Isoetes riparia Engelm. ex A. Braun – accepted – shore quillwort, isoète riparien
|
|
Isoetes riparia var. riparia Engelm. ex A. Braun – not accepted – shore quillwort
|
|
Marsilea macropoda Engelm. ex A. Braun – accepted – bigfoot waterclover
|
|
Marsilea tenuifolia Engelm. ex A. Braun – not accepted
|
|
Marsilea vestita ssp. tenuifolia (Engelm. ex A. Braun) D.M. Johnson – not accepted – pepperwort, hairy pepperwort, hairy waterclover
|
|
Quercus X tridentata (Engelm. ex A. DC.) Trel. (pro sp.) – accepted – tridentata oak
|
|
Acalypha gracilens var. monococca Engelm. ex A. Gray – not accepted
|
|
Aristida ramosissima Engelm. ex A. Gray – accepted – s-curve threeawn, s curve threeawn
|
|
Aristida ramosissima var. ramosissima Engelm. ex A. Gray – accepted – s-curve threeawn
|
|
Asclepias sullivantii Engelm. ex A. Gray – accepted – Sullivant's milkweed, prairie milkweed
|
|
Astragalus lindheimeri Engelm. ex A. Gray – accepted – Lindheimer's milkvetch
|
|
Calliandra herbacea Engelm. ex A. Gray – not accepted
|
|
Cerastium nutans var. brachypodum Engelm. ex A. Gray – not accepted
|
|
Corydalis aurea var. micrantha Engelm. ex A. Gray – not accepted
|
|
Corydalis aurea var. occidentalis Engelm. ex A. Gray – not accepted
|
|
Desmodium wislizeni Engelm. ex A. Gray – not accepted
|
|
Eupatorium perfoliatum var. cuneatum Engelm. ex A. Gray – not accepted
|
|
Euphorbia commutata Engelm. ex A. Gray – accepted – tinted woodland spurge, tinted euphorbia
|
|
Euphorbia humistrata Engelm. ex A. Gray – accepted – spreading sandmat
|
|
Gentiana oregana Engelm. ex A. Gray – not accepted
|
|
Gentiana sceptrum var. humilis Engelm. ex A. Gray – not accepted
|
|
Gonolobus reticulatus Engelm. ex A. Gray – not accepted
|
|
Lewisia brachycalyx Engelm. ex A. Gray – accepted – short-sepal bitter-root, shortsepal bitterroot, shortsepal lewisia
|
|
Maurandya wislizeni Engelm. ex A. Gray – not accepted
|
|
Maurandya wislizenii Engelm. ex A. Gray – not accepted
|
|
Menodora scoparia Engelm. ex A. Gray – not accepted
|
|
Paronychia lindheimeri Engelm. ex A. Gray – accepted – forked nailwort
|
|
Paronychia lindheimeri var. lindheimeri Engelm. ex A. Gray – accepted – forked nailwort, Lindheimer's nailwort
|
|
Phelipaea erianthera Engelm. ex A. Gray – not accepted
|
|
Phoradendron flavescens var. pubescens Engelm. ex A. Gray – not accepted
|
|
Prunus minutiflora Engelm. ex A. Gray – accepted – Texas almond, smallflower peachbrush
|
|
Rhus microphylla Engelm. ex A. Gray – accepted – littleleaf sumac
|
|
Saxifraga debilis Engelm. ex A. Gray – accepted – weak saxifrage
|
|
Sisymbrium incisum Engelm. ex A. Gray – not accepted
|
|
Talinum spathulatum Engelm. ex A. Gray – not accepted
|
|
Thalictrum fendleri Engelm. ex A. Gray – accepted – Fendler's meadowrue, Fendler's meadow-rue
|
|
Thalictrum fendleri var. fendleri Engelm. ex A. Gray – not accepted – Fendler's meadowrue, Fendler's meadow-rue
|
|
Vernonia lettermannii Engelm. ex A. Gray – accepted – narrowleaf ironweed, slimleaf ironweed
|
|
Vitis candicans Engelm. ex A. Gray – not accepted
|
|
Corydalis micrantha (Engelm. ex A. Gray) A. Gray – accepted – smallflower fumewort, smallflower corydalis
|
|
Corydalis micrantha ssp. micrantha (Engelm. ex A. Gray) A. Gray – accepted – smallflower fumewort
|
|
Cerastium brachypodum (Engelm. ex A. Gray) B.L. Rob. – accepted – bractpod chickweed, mouse-ear chickweed, short-stalk mouse-ear chickweed, shortstalk chickweed
|
|
Capnoides micranthum (Engelm. ex A. Gray) Britton – not accepted
|
|
Descurainia incisa (Engelm. ex A. Gray) Britton – accepted – mountain tansymustard
|
|
Descurainia incisa ssp. incisa (Engelm. ex A. Gray) Britton – accepted – mountain tansymustard
|
|
Descurainia incisa var. incisa (Engelm. ex A. Gray) Britton – not accepted
|
|
Descurainia richardsonii ssp. incisa (Engelm. ex A. Gray) Detling – not accepted
|
|
Saxifraga rivularis var. debilis (Engelm. ex A. Gray) Dorn – not accepted
|
|
Eupatorium cuneatum (Engelm. ex A. Gray) Engelm. ex Small – not accepted
|
|
Corydalis aurea ssp. occidentalis (Engelm. ex A. Gray) G.B. Ownbey – accepted – scrambled eggs, curvepod fumewort
|
|
Acalypha gracilens ssp. monococca (Engelm. ex A. Gray) G.L. Webster – not accepted
|
|
Sophia incisa (Engelm. ex A. Gray) Greene – not accepted
|
|
Descurainia incana ssp. incisa (Engelm. ex A. Gray) Kartesz & Gandhi – not accepted – mountain tansy mustard, mountain tansymustard
|
|
Anisophyllum humistratum (Engelm. ex A. Gray) Klotzsch & Garcke – not accepted
|
|
Tithymalus commutatus (Engelm. ex A. Gray) Klotzsch & Garcke – not accepted
|
|
Valerianella stenocarpa (Engelm. ex A. Gray) Krok – accepted – narrowcell cornsalad
|
|
Meibomia wrightii (Engelm. ex A. Gray) Kuntze – not accepted
|
|
Echinocereus triglochidiatus var. melanacanthus (Engelm. ex A. Gray) L.D. Benson – not accepted
|
|
Acalypha monococca (Engelm. ex A. Gray) Lill. W. Mill. & Gandhi – accepted – slender threeseed mercury
|
|
Phoradendron serotinum var. pubescens (Engelm. ex A. Gray) M.C. Johnst. – not accepted
|
|
Epixiphium (Engelm. ex A. Gray) Munz – accepted
|
|
Epixiphium wislizeni (Engelm. ex A. Gray) Munz – accepted – balloonbush
|
|
Oenothera serrulata ssp. pinifolia (Engelm. ex A. Gray) Munz – not accepted
|
|
Acalypha virginica var. monococca (Engelm. ex A. Gray) Müll. Arg. – not accepted
|
|
Physaria recurvata (Engelm. ex A. Gray) O'Kane & Al-Shehbaz – accepted – gaslight bladderpod
|
|
Asarina wislizeni (Engelm. ex A. Gray) Pennell – not accepted
|
|
Lesquerella recurvata (Engelm. ex A. Gray) S. Watson – not accepted – gaslight bladderpod
|
|
Chamaesyce humistrata (Engelm. ex A. Gray) Small – not accepted – spreading sandmat
|
|
Galarhoeus commutatus (Engelm. ex A. Gray) Small ex Rydb. – not accepted
|
|
Antirrhinum wislizeni (Engelm. ex A. Gray) Tidestr. – not accepted
|
|
Calylophus berlandieri ssp. pinifolius (Engelm. ex A. Gray) Towner – not accepted – Berlandier's sundrops
|
|
Calytophus berlandieri var. pinifolius (Engelm. ex A. Gray) Towner – not accepted
|
|
Corydalis curvisiliqua ssp. occidentalis (Engelm. ex A. Gray) W.A. Weber – not accepted – curvepod fumewort
|
|
Matelea reticulata (Engelm. ex A. Gray) Woodson – accepted – netted milkvine
|
|
Saxifraga hyperborea ssp. debilis (Engelm. ex A. Gray) Á. Löve & D. Löve & B.M. Kapoor – not accepted
|
|
Mammillaria fasciculata Engelm. ex B.D. Jacks. – not accepted
|
|
Echinocereus fasciculatus (Engelm. ex B.D. Jacks.) L.D. Benson – accepted – Órgano-pequeño de manojos
|
|
Echinocereus fasciculatus ssp. fasciculatus (Engelm. ex B.D. Jacks.) L.D. Benson – not accepted
|
|
Echinocereus fendleri var. fasciculatus (Engelm. ex B.D. Jacks.) N.P. Taylor – not accepted – pinkflower hedgehog cactus, strawberry cactus
|
|
Mimulus reniformis Engelm. ex Benth. – not accepted
|
|
Cyperus refractus Engelm. ex Boeckeler – accepted – reflexed flatsedge
|
|
Euphorbia asperifolia Engelm. ex Boiss. – not accepted
|
|
Euphorbia astyla Engelm. ex Boiss. – accepted – alkali sandmat, Pecos spurge
|
|
Euphorbia atrorubens Engelm. ex Boiss. – not accepted
|
|
Euphorbia baueri Engelm. ex Boiss. – accepted
|
|
Euphorbia calliadena Engelm. ex Boiss. – not accepted
|
|
Euphorbia consanguinea Engelm. ex Boiss. – not accepted
|
|
Euphorbia dentata var. linearis Engelm. ex Boiss. – not accepted
|
|
Euphorbia floribunda Engelm. ex Boiss. – accepted
|
|
Euphorbia fruticulosa Engelm. ex Boiss. – accepted
|
|
Euphorbia fruticulosa var. fruticulosa Engelm. ex Boiss. – accepted
|
|
Euphorbia greggii Engelm. ex Boiss. – accepted
|
|
Euphorbia grisea Engelm. ex Boiss. – not accepted
|
|
Euphorbia hortensis Engelm. ex Boiss. – not accepted
|
|
Euphorbia leptocera Engelm. ex Boiss. – not accepted
|
|
Euphorbia lindheimeriana Engelm. ex Boiss. – not accepted
|
|
Euphorbia maculata var. detonsa Engelm. ex Boiss. – not accepted
|
|
Euphorbia notata Engelm. ex Boiss. – not accepted
|
|
Euphorbia ovalifolia var. schizosepala Engelm. ex Boiss. – not accepted
|
|
Euphorbia pilosula Engelm. ex Boiss. – not accepted
|
|
Euphorbia prostrata var. vestita Engelm. ex Boiss. – not accepted
|
|
Euphorbia serpens var. indica Engelm. ex Boiss. – not accepted
|
|
Euphorbia setiloba var. dentata Engelm. ex Boiss. – not accepted
|
|
Euphorbia stipulacea Engelm. ex Boiss. – not accepted
|
|
Euphorbia subserrata Engelm. ex Boiss. – not accepted
|
|
Euphorbia tomentella Engelm. ex Boiss. – accepted
|
|
Euphorbia umbellulata Engelm. ex Boiss. – accepted
|
|
Euphorbia villifera var. nuda Engelm. ex Boiss. – not accepted
|
|
Euphorbia xanti Engelm. ex Boiss. – accepted
|
|
Euphorbia zygophylloides var. cymulosa Engelm. ex Boiss. – not accepted
|
|
Chamaesyce pilosula (Engelm. ex Boiss.) Arthur – not accepted
|
|
Tithymalus leptocerus (Engelm. ex Boiss.) Arthur – not accepted
|
|
Euphorbia brachycera var. greggii (Engelm. ex Boiss.) M.C. Johnst. – not accepted
|
|
Aklema xanti (Engelm. ex Boiss.) Millsp. – not accepted
|
|
Chamaesyce astyla (Engelm. ex Boiss.) Millsp. – not accepted – alkali sandmat
|
|
Chamaesyce floribunda (Engelm. ex Boiss.) Millsp. – not accepted
|
|
Chamaesyce fruticulosa (Engelm. ex Boiss.) Millsp. – not accepted
|
|
Chamaesyce grisea (Engelm. ex Boiss.) Millsp. – not accepted
|
|
Chamaesyce radicans (Engelm. ex Boiss.) Millsp. – not accepted
|
|
Chamaesyce umbellulata (Engelm. ex Boiss.) Millsp. – not accepted
|
|
Euphorbia klotzschii var. schizosepala (Engelm. ex Boiss.) Oudejans – not accepted
|
|
Mentzelia chrysantha Engelm. ex Brandegee – accepted – gold blazingstar
|
|
Nuttallia chrysantha (Engelm. ex Brandegee) Greene – not accepted
|
|
Yucca glauca var. mollis Engelm. ex Branner & Coville – not accepted
|
|
Coryphantha arizonica (Engelm. ex Brew & Wats) Britton & Rose – not accepted
|
|
Crataegus viridis var. nitida Engelm. ex Britton & A. Br. – not accepted
|
|
Crataegus nitida (Engelm. ex Britton & A. Br.) Sarg. – accepted – glossy hawthorn
|
|
Rudbeckia missouriensis Engelm. ex C.L. Boynt. & Beadle – accepted – Missouri orange coneflower, Missouri coneflower
|
|
Rudbeckia fulgida var. missouriensis (Engelm. ex C.L. Boynt. & Beadle) Cronquist – not accepted
|
|
Udora verticillata var. minor Engelm. ex Caspary – not accepted
|
|
Elodea minor (Engelm. ex Caspary) Farw. – not accepted
|
|
Philotria minor (Engelm. ex Caspary) Small – not accepted
|
|
Euphorbia deltoidea Engelm. ex Chapm. – accepted – wedge sandmat
|
|
Euphorbia deltoidea ssp. deltoidea Engelm. ex Chapm. – accepted – wedge sandmat
|
|
Euphorbia deltoidea var. deltoidea Engelm. ex Chapm. – not accepted
|
|
Euphorbia garberi Engelm. ex Chapm. – accepted – Garber's spurge, Garber's sandmat
|
|
Chamaesyce deltoidea (Engelm. ex Chapm.) Small – not accepted – wedge sandmat
|
|
Chamaesyce deltoidea ssp. deltoidea (Engelm. ex Chapm.) Small – not accepted – deltoid spurge, wedge sandmat
|
|
Chamaesyce deltoidea ssp. deltoidea var. deltoidea (Engelm. ex Chapm.) Small – not accepted
|
|
Chamaesyce garberi (Engelm. ex Chapm.) Small – not accepted – Garber's spurge, Garber's sandmat
|
|
Aster vernalis Engelm. ex E.S. Burgess – not accepted
|
|
Panicum capillare var. minimum Engelm. ex Gatt. – not accepted
|
|
Panicum minimum (Engelm. ex Gatt.) Scribn. & Merr. – not accepted
|
|
Agave utahensis var. nevadensis Engelm. ex Greenm. & Roush – accepted – Nevada agave
|
|
Nasturtium calycinum Engelm. ex Hayden – not accepted
|
|
Wolffia borealis (Engelm. ex Hegelm.) Landolt – accepted – northern watermeal, dotted watermeal, watermeal
|
|
Euphorbia blodgettii Engelm. ex Hitchc. – accepted – limestone sandmat
|
|
Chamaesyce blodgettii (Engelm. ex Hitchc.) Small – not accepted – limestone sandmat
|
|
Euphorbia polyphylla Engelm. ex Holz. – accepted – Lesser Florida spurge
|
|
Agaloma polyphylla (Engelm. ex Holz.) Nieuwl. – not accepted
|
|
Tithymalopsis polyphylla (Engelm. ex Holz.) Small – not accepted
|
|
Sagittaria longiloba Engelm. ex J.G. Sm. – accepted – long-barb arrowhead, longlobe arrowhead, longbarb arrowhead
|
|
Echinocactus sileri Engelm. ex J.M. Coult. – not accepted
|
|
Echinocactus xeranthemoides Engelm. ex J.M. Coult. – not accepted
|
|
Mammillaria gabbii Engelm. ex J.M. Coult. – not accepted
|
|
Mammillaria setispina Engelm. ex J.M. Coult. – not accepted
|
|
Opuntia ciribe Engelm. ex J.M. Coult. – not accepted
|
|
Opuntia pycnantha Engelm. ex J.M. Coult. – accepted
|
|
Opuntia rubrifolia Engelm. ex J.M. Coult. – not accepted
|
|
Opuntia tapona Engelm. ex J.M. Coult. – not accepted
|
|
Opuntia tesajo Engelm. ex J.M. Coult. – not accepted
|
|
Opuntia versicolor Engelm. ex J.M. Coult. – not accepted – Cholla versicolor, staghorn cholla
|
|
Opuntia versicolor var. versicolor Engelm. ex J.M. Coult. – not accepted
|
|
Opuntia versicolor var. violacea Engelm. ex J.M. Coult. – not accepted
|
|
Echinocereus mamillatus (Engelm. ex J.M. Coult.) Britton & Rose – not accepted
|
|
Pachycereus calvus (Engelm. ex J.M. Coult.) Britton & Rose – not accepted
|
|
Utahia sileri (Engelm. ex J.M. Coult.) Britton & Rose – not accepted
|
|
Cylindropuntia clavellina (Engelm. ex J.M. Coult.) F.M. Knuth – not accepted
|
|
Cylindropuntia tesajo (Engelm. ex J.M. Coult.) F.M. Knuth – accepted
|
|
Cylindropuntia versicolor (Engelm. ex J.M. Coult.) F.M. Knuth – accepted
|
|
Pediocactus sileri (Engelm. ex J.M. Coult.) L.D. Benson – accepted – Siler's pincushion cactus
|
|
Cylindropuntia bigelovii var. ciribe (Engelm. ex J.M. Coult.) Rebman – accepted
|
|
Celtis lindheimeri Engelm. ex K. Koch – accepted – palo blanco, Lindheimer's hackberry
|
|
Epiphyllanthus obovatus (Engelm. ex K. Schum.) Britton & Rose – not accepted
|
|
Anisophyllum ovalifolium Engelm. ex Klotzsch – not accepted
|
|
Euphorbia serpens var. ovalifolia (Engelm. ex Klotzsch) Allem – not accepted
|
|
Euphorbia ovalifolia (Engelm. ex Klotzsch) Boiss. – not accepted
|
|
Chamaesyce ovalifolia (Engelm. ex Klotzsch) Croizat – not accepted
|
|
Lythrum ovalifolium Engelm. ex Koehne – accepted – low loosestrife
|
|
Smilax ecirrata (Engelm. ex Kunth) S. Watson – not accepted – upright carrionflower, greenbriar, upright carrion-flower
|
|
Smilax ecirrhata (Engelm. ex Kunth) S. Watson – accepted – upright carrionflower
|
|
Nemexia ecirrata (Engelm. ex Kunth) Small – not accepted
|
|
Nemexia ecirrhata (Engelm. ex Kunth) Small – not accepted
|
|
Vitis riparia var. praecox Engelm. ex L.H. Bailey – not accepted
|
|
Vitis vulpina var. praecox (Engelm. ex L.H. Bailey) L.H. Bailey – not accepted
|
|
Potentilla millegrana Engelm. ex Lehm. – not accepted
|
|
Potentilla rivalis var. millegrana (Engelm. ex Lehm.) S. Watson – not accepted – brook cinquefoil
|
|
Colubrina stricta Engelm. ex M.C. Johnst. – accepted – Comal nakedwood, Comal snakewood
|
|
Euphorbia serpyllifolia var. rugulosa Engelm. ex Millsp. – not accepted
|
|
Euphorbia rugulosa (Engelm. ex Millsp.) Greene – not accepted
|
|
Chamaesyce rugulosa (Engelm. ex Millsp.) Rydb. – not accepted
|
|
Sparganium androcladum var. fluctuans Engelm. ex Morong – not accepted
|
|
Sparganium fluctuans (Engelm. ex Morong) B.L. Rob. – accepted – floating bur-reed
|
|
Arceuthobium abietinum Engelm. ex Munz – not accepted – fir dwarf mistletoe
|
|
Cereus phoeniceus var. pacificus Engelm. ex Orcutt – not accepted
|
|
Echinocereus polyacanthus ssp. pacificus (Engelm. ex Orcutt) Breckw. – not accepted
|
|
Echinocereus pacificus (Engelm. ex Orcutt) Britton & Rose – accepted
|
|
Echinocereus polyacanthus var. pacificus (Engelm. ex Orcutt) N.P. Taylor – not accepted
|
|
Pinus greggii Engelm. ex Parl. – accepted
|
|
Tetracoccus Engelm. ex Parry – accepted – shrubby-spurge
|
|
Euphorbia peplofolia Engelm. ex Patt. – not accepted
|
|
Ephedra aspera Engelm. ex S. Watson – accepted – Mormon tea, rough jointfir, aspera Mormon tea, boundary ephedra
|
|
Ephedra pedunculata Engelm. ex S. Watson – accepted – vine jointfir, vine ephedra
|
|
Euphorbia hirtula Engelm. ex S. Watson – not accepted
|
|
Euphorbia palmeri Engelm. ex S. Watson – not accepted – wood spurge, woodland spurge
|
|
Euphorbia palmeri var. palmeri Engelm. ex S. Watson – not accepted – woodland spurge
|
|
Euphorbia platysperma Engelm. ex S. Watson – accepted – flatseed sandmat, flat-seeded spurge, dune spurge
|
|
Euphorbia subpubens Engelm. ex S. Watson – not accepted
|
|
Pinus contorta var. latifolia Engelm. ex S. Watson – accepted – lodgepole pine, Rocky Mountain lodgepole pine, tall lodgepole pine
|
|
Echinodorus rostratus var. lanceolatus Engelm. ex S. Watson & J.M. Coult. – not accepted
|
|
Echinodorus berteroi var. lanceolatus (Engelm. ex S. Watson & J.M. Coult.) Fassett – not accepted
|
|
Pinus divaricata var. latifolia (Engelm. ex S. Watson) B. Boivin – not accepted
|
|
Pachycereus pecten-aboriginum (Engelm. ex S. Watson) Britton & Rose – accepted
|
|
Pinus contorta ssp. latifolia (Engelm. ex S. Watson) Critchfield – not accepted – black pine, Rocky Mountain lodgepole pine
|
|
Tithymalus palmeri (Engelm. ex S. Watson) Dayton – not accepted
|
|
Toxicodendron radicans ssp. pubens (Engelm. ex S. Watson) Gillis – accepted – eastern poison ivy
|
|
Ammoselinum butleri (Engelm. ex S. Watson) J.M. Coult. & Rose – accepted – Butler's sandparsley
|
|
Chamaesyce serpyllifolia ssp. hirtella (Engelm. ex S. Watson) Koutnik – not accepted – thymeleaf sandmat
|
|
Chamaesyce serpyllifolia var. hirtella (Engelm. ex S. Watson) L.C. Wheeler – not accepted
|
|
Euphorbia palmeri var. subpubens (Engelm. ex S. Watson) L.C. Wheeler – not accepted – woodland spurge
|
|
Euphorbia serpyllifolia var. hirtella (Engelm. ex S. Watson) L.C. Wheeler – accepted – thymeleaf sandmat
|
|
Euphorbia serpyllifolia var. hirtula (Engelm. ex S. Watson) L.C. Wheeler – accepted – Thymeleaf sandmat
|
|
Ephedra nevadensis var. aspera (Engelm. ex S. Watson) L.D. Benson – not accepted
|
|
Chamaesyce hirtula (Engelm. ex S. Watson) Millsp. – not accepted
|
|
Tithymalus subpubens (Engelm. ex S. Watson) Norton – not accepted
|
|
Euphorbia serpyllifolia ssp. hirtella (Engelm. ex S. Watson) Oudejans – not accepted
|
|
Toxicodendron radicans var. pubens (Engelm. ex S. Watson) Reveal – not accepted
|
|
Chamaesyce platysperma (Engelm. ex S. Watson) Shinners – not accepted – flat-seed sandmat, flatseed sandmat, flat-seeded spurge
|
|
Cereus nudiflorus Engelm. ex Sauvalle – not accepted
|
|
Dendrocereus nudiflorus (Engelm. ex Sauvalle) Britton & Rose – accepted
|
|
Acerates auriculata Engelm. ex Torr. – not accepted
|
|
Asclepias brachystephana Engelm. ex Torr. – accepted – bract milkweed, shortcrown milkweed, short-crowned milkweed
|
|
Asclepias involucrata Engelm. ex Torr. – accepted – dwarf milkweed
|
|
Euphorbia leptocera Engelm. ex Torr. – not accepted
|
|
Euphorbia setiloba Engelm. ex Torr. – accepted – Yuma sandmat, fringed spurge, shaggy spurge
|
|
Juglans rupestris Engelm. ex Torr. – not accepted
|
|
Styrax platanifolius Engelm. ex Torr. – accepted – sycamoreleaf snowbell
|
|
Styrax platanifolius ssp. platanifolius Engelm. ex Torr. – accepted – sycamoreleaf snowbell
|
|
Aster anomalus Engelm. ex Torr. & A. Gray – not accepted – manyray aster
|
|
Potentilla pentandra Engelm. ex Torr. & A. Gray – not accepted
|
|
Symphyotrichum anomalum (Engelm. ex Torr. & A. Gray) G.L. Nesom – accepted – manyray aster
|
|
Potentilla rivalis var. pentandra (Engelm. ex Torr. & A. Gray) S. Watson – not accepted – brook cinquefoil, cinquefoil
|
|
Asclepias auriculata (Engelm. ex Torr.) Holz. – not accepted
|
|
Philibertia heterophylla (Engelm. ex Torr.) Jeps. – not accepted
|
|
Funastrum cynanchoides ssp. heterophyllum (Engelm. ex Torr.) Kartesz – not accepted – Hartweg's twinevine
|
|
Chamaesyce setiloba (Engelm. ex Torr.) Millsp. – not accepted – Yuma spurge, Yuma sandmat
|
|
Agave maculata Engelm. ex Torr., non Regel – not accepted
|
|
Chamaesyce setiloba (Engelm. ex Torr.) Norton – not accepted
|
|
Funastrum heterophyllum (Engelm. ex Torr.) Standl. – not accepted
|
|
Dasylirion leiophyllum Engelm. ex Trel. – accepted – Sotol brillante, smooth sotol, green sotol
|
|
Yucca angustissima Engelm. ex Trel. – accepted – narrowleaf yucca
|
|
Yucca angustissima var. angustissima Engelm. ex Trel. – accepted – narrowleaf yucca, fineleaf yucca
|
|
Yucca rostrata Engelm. ex Trel. – accepted – Izote Kikapú, beaked yucca
|
|
Agave parryi var. couesii (Engelm. ex Trel.) Kearney & Peebles – not accepted
|
|
Aristida basiramea Engelm. ex Vasey – accepted – forked threeawn, forked three-awn
|
|
Aristida basiramea var. basiramea Engelm. ex Vasey – not accepted
|
|
Paspalum floridanum var. glabratum Engelm. ex Vasey – accepted
|
|
Paspalum glabratum (Engelm. ex Vasey) C. Mohr – not accepted
|
|
Nuphar luteum var. variegatum (Engelm. ex. Clinton) E.O. Beal – not accepted
|
|
Echinocereus stramineus (Engelm.) F. Seitz – accepted – Órgano-pequeño sanjuanero, strawberry hedgehog cactus
|
|
Echinocereus stramineus ssp. stramineus (Engelm.) F. Seitz – accepted
|
|
Juncus mertensianus ssp. gracilis (Engelm.) F.J. Herm. – not accepted
|
|
Corynopuntia bulbispina (Engelm.) F.M. Knuth – accepted
|
|
Cylindropuntia (Engelm.) F.M. Knuth – accepted
|
|
Cylindropuntia arbuscula (Engelm.) F.M. Knuth – accepted
|
|
Cylindropuntia bigelovii (Engelm.) F.M. Knuth – accepted
|
|
Cylindropuntia bigelovii var. bigelovii (Engelm.) F.M. Knuth – accepted
|
|
Cylindropuntia ciribe (Engelm.) F.M. Knuth – not accepted
|
|
Cylindropuntia fulgida (Engelm.) F.M. Knuth – accepted
|
|
Cylindropuntia fulgida var. fulgida (Engelm.) F.M. Knuth – accepted
|
|
Cylindropuntia parryi (Engelm.) F.M. Knuth – not accepted
|
|
Cylindropuntia prolifera (Engelm.) F.M. Knuth – accepted
|
|
Cylindropuntia ramosissima (Engelm.) F.M. Knuth – accepted
|
|
Cylindropuntia spinosior (Engelm.) F.M. Knuth – accepted
|
|
Cylindropuntia thurberi (Engelm.) F.M. Knuth – accepted
|
|
Echinodorus tenellus var. parvulus (Engelm.) Fassett – not accepted
|
|
Isoetes lacustris ssp. paupercula (Engelm.) Feilberg – not accepted
|
|
Echinocereus coccineus var. paucispinus (Engelm.) Ferguson – not accepted – scarlet hedgehog cactus
|
|
Eriophorum viridicarinatum (Engelm.) Fernald – accepted – tassel cotton-grass, thinleaf cottonsedge
|
|
Euphorbia dentata f. cuphosperma (Engelm.) Fernald – not accepted
|
|
Juncus brevicaudatus (Engelm.) Fernald – accepted – narrow-panicle rush, narrowpanicle rush
|
|
Myosotis virginica var. macrosperma (Engelm.) Fernald – not accepted
|
|
Nymphozanthus polysepalus (Engelm.) Fernald – not accepted
|
|
Chilopsis linearis var. glutinosa (Engelm.) Fosberg – not accepted
|
|
Platyopuntia (Engelm.) Fric & Schelle ex Kreuz. – not accepted
|
|
Ehrendorferia ochroleuca (Engelm.) Fukuhara – not accepted – yellow bleeding heart
|
|
Echinocereus pectinatus ssp. ctenoides (Engelm.) G. Frank – accepted
|
|
Zeltnera nudicaulis (Engelm.) G. Mans. – accepted – Santa Catalina Mountain centaury
|
|
Ferocactus acanthodes var. lecontei (Engelm.) G.E. Linds. – not accepted
|
|
Cuscuta pentagona var. glabrior (Engelm.) Gandhi, R.D. Thomas & S.L. Hatch – not accepted – field dodder, bushclover dodder
|
|
Quercus garryana var. fruticosa (Engelm.) Govaerts – not accepted – Oregon white oak
|
|
Nymphaea polysepala (Engelm.) Greene – not accepted
|
|
Pneumonanthe parryi (Engelm.) Greene – not accepted
|
|
Polygonum douglasii var. latifolium (Engelm.) Greene – not accepted
|
|
Ferocactus cylindraceus var. lecontei (Engelm.) H. Bravo – not accepted – Leconte's barrel cactus, redspine barrel cactus
|
|
Grusonia bulbispina (Engelm.) H. Rob. – not accepted
|
|
Grusonia clavata (Engelm.) H. Rob. – accepted
|
|
Grusonia grahamii (Engelm.) H. Rob. – accepted
|
|
Grusonia pulchella (Engelm.) H. Rob. – accepted
|
|
Grusonia schottii (Engelm.) H. Rob. – accepted
|
|
Distichlis littoralis (Engelm.) H.L. Bell & Columbus – accepted
|
|
Grammica cephalanthi (Engelm.) Hadac & Chrtek – not accepted
|
|
Grammica coryli (Engelm.) Hadac & Chrtek – not accepted
|
|
Grammica cuspidata (Engelm.) Hadac & Chrtek – not accepted
|
|
Pediocactus brevihamatus (Engelm.) Halda – not accepted
|
|
Pediocactus intertextus (Engelm.) Halda – not accepted
|
|
Pediocactus spinosior (Engelm.) Halda – not accepted
|
|
Pediocactus unguispinus (Engelm.) Halda – not accepted
|
|
Arceuthobium microcarpum (Engelm.) Hawksw. & Wiens – not accepted – western spruce dwarf mistletoe
|
|
Arceuthobium vaginatum ssp. cryptopodum (Engelm.) Hawksw. & Wiens – accepted – pineland dwarf mistletoe, ponderosa pine dwarf mistletoe
|
|
Callitriche deflexa var. austinii (Engelm.) Hegelm. – not accepted
|
|
Cuscuta indecora var. neuropetala (Engelm.) Hitchc. – not accepted – bigseed dodder, bigseed alfalfa dodder
|
|
Pediocactus simpsonii ssp. bensonii (Engelm.) Hochstätter – not accepted
|
|
Gentianella heterosepala (Engelm.) Holub – not accepted
|
|
Euphorbia heterophylla var. barbellata (Engelm.) Holz. – not accepted
|
|
Phoradendron libocedri (Engelm.) Howell – not accepted – incense cedar mistletoe
|
|
Juncus arcticus ssp. littoralis (Engelm.) Hultén – not accepted – mountain rush
|
|
Hesperhodos minutifolius (Engelm.) Hurst – not accepted
|
|
Gentianopsis barbellata (Engelm.) Iltis – accepted – perennial fringed-gentian, perennial fringed gentian
|
|
Portulaca umbraticola ssp. lanceolata (Engelm.) J.F. Matthews & Ketron – accepted – wingpod purslane
|
|
Lophotocarpus calycinus (Engelm.) J.G. Sm. – not accepted
|
|
Lophotocarpus spongiosus (Engelm.) J.G. Sm. – not accepted
|
|
Sagittaria platyphylla (Engelm.) J.G. Sm. – accepted – delta arrowhead
|
|
Opuntia echinocarpa var. parkeri (Engelm.) J.M. Coult. – not accepted
|
|
Gentiana amarella ssp. heterosepala (Engelm.) J.M. Gillett – not accepted
|
|
Gentianella amarella ssp. heterosepala (Engelm.) J.M. Gillett – accepted – autumn dwarf gentian, dwarf gentian
|
|
Gentianella barbellata (Engelm.) J.M. Gillett – not accepted
|
|
Gentianella wislizeni (Engelm.) J.M. Gillett – accepted – Chiricahua Mountain dwarf gentian, Chiricahua dwarf gentian
|
|
Gentianella wislizenii (Engelm.) J.M. Gillett – not accepted
|
|
Echinocereus berlandieri (Engelm.) J.N. Haage – accepted – Órgano-pequeño de Berlandier, Berlandier's hedgehog cactus
|
|
Echinocereus chloranthus (Engelm.) J.N. Haage – not accepted – Órgano-pequeño de flor verde, brownspine hedgehog cactus
|
|
Echinocereus chloranthus var. chloranthus (Engelm.) J.N. Haage – not accepted – brownspine hedgehog cactus
|
|
Echinocereus rigidissimus (Engelm.) J.N. Haage – accepted – rainbow hedgehog cactus
|
|
Echinocereus rigidissimus ssp. rigidissimus (Engelm.) J.N. Haage – accepted
|
|
Quercus garryana var. breweri (Engelm.) Jeps. – accepted – Oregon white oak
|
|
Ariocarpus fissuratus (Engelm.) K. Schum. – accepted – chautle livingrock, Biznaga peyotillo
|
|
Ariocarpus fissuratus var. fissuratus (Engelm.) K. Schum. – not accepted
|
|
Juniperus occidentalis var. utahensis (Engelm.) Kent – not accepted
|
|
Phemeranthus aurantiacus (Engelm.) Kiger – accepted – orange fameflower
|
|
Phemeranthus calycinus (Engelm.) Kiger – accepted – largeflower fameflower
|
|
Anisophyllum geyeri (Engelm.) Klotzsch & Garcke – not accepted
|
|
Thelocactus bicolor var. schottii (Engelm.) Krainz – not accepted
|
|
Phoradendron serotinum ssp. macrophyllum (Engelm.) Kuijt – accepted – Colorado Desert mistletoe
|
|
Calamaria saccharata (Engelm.) Kuntze – not accepted
|
|
Capnoides crystallinum (Engelm.) Kuntze – not accepted
|
|
Euphorbia missurica var. intermedia (Engelm.) L.C. Wheeler – not accepted
|
|
Ancistrocactus uncinatus var. wrightii (Engelm.) L.D. Benson – not accepted
|
|
Coryphantha cornifera var. echinus (Engelm.) L.D. Benson – not accepted – rhinoceros cactus
|
|
Coryphantha missouriensis var. caespitosa (Engelm.) L.D. Benson – not accepted
|
|
Coryphantha missouriensis var. robustior (Engelm.) L.D. Benson – not accepted
|
|
Coryphantha scheeri var. valida (Engelm.) L.D. Benson – not accepted – Scheer's beehive cactus, pineapple cactus
|
|
Echinocereus enneacanthus var. dubius (Engelm.) L.D. Benson – not accepted
|
|
Echinocereus enneacanthus var. stramineus (Engelm.) L.D. Benson – not accepted
|
|
Echinocereus pectinatus var. minor (Engelm.) L.D. Benson – not accepted
|
|
Echinocereus triglochidiatus var. polyacanthus (Engelm.) L.D. Benson – not accepted
|
|
Ferocactus setispinus (Engelm.) L.D. Benson – not accepted
|
|
Mammillaria gummifera var. applanata (Engelm.) L.D. Benson – not accepted
|
|
Mammillaria gummifera var. hemisphaerica (Engelm.) L.D. Benson – not accepted
|
|
Mammillaria gummifera var. meiacantha (Engelm.) L.D. Benson – not accepted
|
|
Mammillaria heyderi var. gummifera (Engelm.) L.D. Benson – not accepted
|
|
Mammillaria heyderi var. meiacantha (Engelm.) L.D. Benson – not accepted – little nipple cactus
|
|
Mammillaria vivipara var. arizonica (Engelm.) L.D. Benson – not accepted
|
|
Neolloydia intertexta (Engelm.) L.D. Benson – not accepted
|
|
Neolloydia intertexta var. dasyacantha (Engelm.) L.D. Benson – not accepted
|
|
Neolloydia unguispina (Engelm.) L.D. Benson – not accepted
|
|
Opuntia compressa var. macrorhiza (Engelm.) L.D. Benson – not accepted
|
|
Opuntia compressa var. microsperma (Engelm.) L.D. Benson – not accepted
|
|
Opuntia erinacea var. utahensis (Engelm.) L.D. Benson – not accepted – Utah grizzlybear pricklypear, Utah pricklypear
|
|
Opuntia parryi var. serpentina (Engelm.) L.D. Benson – not accepted – serpentine cholla, snake cholla
|
|
Opuntia schottii var. grahamii (Engelm.) L.D. Benson – not accepted
|
|
Opuntia violacea var. macrocentra (Engelm.) L.D. Benson – not accepted
|
|
Pediocactus papyracanthus (Engelm.) L.D. Benson – not accepted – paper-spined cactus
|
|
Phoradendron tomentosum var. macrophyllum (Engelm.) L.D. Benson – not accepted
|
|
Ranunculus laxicaulis var. angustifolia (Engelm.) L.D. Benson – not accepted
|
|
Ranunculus laxicaulis var. angustifolius (Engelm.) L.D. Benson – not accepted
|
|
Ranunculus pusillus var. angustifolius (Engelm.) L.D. Benson – not accepted – low spearwort
|
|
Sclerocactus pubispinus (Engelm.) L.D. Benson – accepted – Great Basin fishhook cactus
|
|
Sclerocactus pubispinus var. pubispinus (Engelm.) L.D. Benson – not accepted
|
|
Vitis cinerea var. canescens (Engelm.) L.H. Bailey – not accepted
|
|
Coryphantha (Engelm.) Lem. – accepted – beehive cactus
|
|
Coryphantha macromeris (Engelm.) Lem. – accepted – Biznaga-partida partida, nipple beehive cactus
|
|
Coryphantha macromeris ssp. macromeris (Engelm.) Lem. – accepted
|
|
Coryphantha macromeris var. macromeris (Engelm.) Lem. – not accepted – nipple beehive cactus
|
|
Juniperus utahensis (Engelm.) Lemmon – not accepted
|
|
Pinus ayacahuite var. strobiformis (Engelm.) Lemmon – not accepted
|
|
Pinus ponderosa var. brachyptera (Engelm.) Lemmon – accepted – ponderosa pine
|
|
Pinus scopulorum (Engelm.) Lemmon – not accepted
|
|
Funastrum utahense (Engelm.) Liede & Meve – accepted – Utah swallow-wort
|
|
Cuscuta gronovii var. saururi (Engelm.) MacMill. – not accepted
|
|
Lobelia cardinalis ssp. graminea var. phyllostachya (Engelm.) McVaugh – not accepted – cardinalflower
|
|
Lobelia cardinalis var. phyllostachya (Engelm.) McVaugh – not accepted
|
|
Chamaesyce capitellata (Engelm.) Millsp. – not accepted – head sandmat
|
|
Chamaesyce florida (Engelm.) Millsp. – not accepted – Chiricahua Mountain sandmat
|
|
Chamaesyce indivisa (Engelm.) Millsp. – not accepted
|
|
Chamaesyce pycnanthema (Engelm.) Millsp. – not accepted
|
|
Chamaesyce trachysperma (Engelm.) Millsp. – not accepted – San Pedro River sandmat
|
|
Eumecanthus bifurcatus (Engelm.) Millsp. – not accepted
|
|
Poinsettia graminifolia (Engelm.) Millsp. – not accepted
|
|
Poinsettia dentata var. cuphosperma (Engelm.) Mohlenbr. – not accepted
|
|
Sparganium androcladum (Engelm.) Morong – accepted – branched bur-reed, branching bur-reed, branched burreed
|
|
Mammillaria microcarpa ssp. grahamii (Engelm.) Mottram – not accepted
|
|
Euphorbia polycarpa var. appendiculata (Engelm.) Munz – not accepted
|
|
Oenothera runcinata (Engelm.) Munz – not accepted
|
|
Oenothera runcinata var. brevifolia (Engelm.) Munz – not accepted
|
|
Oenothera pallida ssp. runcinata (Engelm.) Munz & W.M. Klein – accepted – pale evening-primrose, pale eveningprimrose, pale evening primrose
|
|
Echinocereus chloranthus var. cylindricus (Engelm.) N.P. Taylor – not accepted – brownspine hedgehog cactus
|
|
Echinocereus pectinatus var. dasyacanthus (Engelm.) N.P. Taylor – not accepted – rainbow cactus
|
|
Echinocereus viridiflorus ssp. chloranthus (Engelm.) N.P. Taylor – accepted
|
|
Echinocereus viridiflorus ssp. cylindricus (Engelm.) N.P. Taylor – accepted – nylon hedgehog cactus
|
|
Epithelantha micromeris ssp. greggii (Engelm.) N.P. Taylor – not accepted
|
|
Escobaria missouriensis var. similis (Engelm.) N.P. Taylor – accepted – Missouri foxtail cactus
|
|
Ferocactus cylindraceus ssp. lecontei (Engelm.) N.P. Taylor – accepted
|
|
Ferocactus cylindraceus var. eastwoodiae (Engelm.) N.P. Taylor – not accepted – California barrel cactus, yellowspine barrel cactus
|
|
Ferocactus emoryi ssp. rectispinus (Engelm.) N.P. Taylor – accepted
|
|
Ferocactus pubispinus (Engelm.) N.P. Taylor – not accepted
|
|
Ferocactus spinosior (Engelm.) N.P. Taylor – not accepted
|
|
Ferocactus uncinatus var. wrightii (Engelm.) N.P. Taylor – not accepted
|
|
Sclerocactus intertextus (Engelm.) N.P. Taylor – accepted – white fishhook cactus, white fish-hook cactus, Biznaga-bola entretejida
|
|
Sclerocactus intertextus var. dasyacanthus (Engelm.) N.P. Taylor – not accepted – white fishhook cactus
|
|
Sclerocactus intertextus var. intertextus (Engelm.) N.P. Taylor – not accepted – white fishhook cactus
|
|
Sclerocactus papyracanthus (Engelm.) N.P. Taylor – accepted – paperspine fishhook cactus, Biznaga-bola de espinas de papel
|
|
Sclerocactus uncinatus ssp. wrightii (Engelm.) N.P. Taylor – accepted
|
|
Sclerocactus uncinatus var. wrightii (Engelm.) N.P. Taylor – not accepted – Chihuahuan fishhook cactus, Wright's fishhook cactus
|
|
Sclerocactus unguispinus (Engelm.) N.P. Taylor – accepted
|
|
Mammillaria milleri var. grahamii (Engelm.) Neutel. – not accepted
|
|
Agaloma curtisii (Engelm.) Nieuwl. – not accepted
|
|
Juncus obtusatus Engelm., non Kit. – not accepted
|
|
Yucca macrocarpa Engelm., non Merriam – not accepted
|
|
Euphorbia chamaesula var. subdentata (Engelm.) Norton – not accepted
|
|
Euphorbia leiococca (Engelm.) Norton – not accepted
|
|
Euphorbia mexicana (Engelm.) Norton – not accepted
|
|
Tithymalus schizolobus (Engelm.) Norton – not accepted
|
|
Coryphantha dasyacantha (Engelm.) Orcutt – not accepted
|
|
Coryphantha dasyacantha var. dasyacantha (Engelm.) Orcutt – not accepted
|
|
Coryphantha echinus (Engelm.) Orcutt – accepted
|
|
Epithelantha greggii (Engelm.) Orcutt – not accepted
|
|
Ferocactus cylindraceus (Engelm.) Orcutt – accepted – Biznaga-barril cilíndrica, California barrel cactus
|
|
Ferocactus cylindraceus ssp. cylindraceus (Engelm.) Orcutt – accepted
|
|
Ferocactus cylindraceus var. cylindraceus (Engelm.) Orcutt – not accepted – California barrel cactus, campus barrel cactus
|
|
Ferocactus emoryi (Engelm.) Orcutt – accepted – Biznaga-barril de Emory, Emory's barrel cactus
|
|
Ferocactus emoryi ssp. emoryi (Engelm.) Orcutt – accepted
|
|
Euphorbia spathulata var. mexicana (Engelm.) Oudejans – not accepted
|
|
Opuntia occidentalis var. littoralis (Engelm.) Parish – not accepted
|
|
Agalinis spiciflora (Engelm.) Pennell – not accepted
|
|
Grusonia emoryi (Engelm.) Pinkava – accepted
|
|
Juncus brachystylus (Engelm.) Piper – not accepted
|
|
Talinum paniculatum var. sarmentosum (Engelm.) Poelln. – not accepted – jewels of Opar
|
|
Baptisia X sulphurea Engelm. (pro. sp.) – accepted – sulphur wild indigo
|
|
Yucca X schottii Engelm. (pro. sp.) – accepted – Schott's yucca
|
|
Dimorphocarpa wislizeni (Engelm.) Rollins – accepted – spectacle pod, spectaclepod, Wislizeni's spectaclepod, touristplant
|
|
Dimorphocarpa wislizenii (Engelm.) Rollins – not accepted
|
|
Alsine obtusa (Engelm.) Rose – not accepted
|
|
Manfreda virginica var. tigrina (Engelm.) Rose – not accepted
|
|
Chamaesyce pediculifera (Engelm.) Rose & Standl. – not accepted – Carrizo Mountain sandmat
|
|
Grammica salina (Engelm.) Roy L. Taylor & MacBryde – not accepted
|
|
Apinus albicaulis (Engelm.) Rydb. – not accepted
|
|
Chamaesyce exstipulata (Engelm.) Rydb. – not accepted
|
|
Chamaesyce flagelliformis (Engelm.) Rydb. – not accepted
|
|
Chamaesyce parryi (Engelm.) Rydb. – not accepted – Parry's spurge, Parry's sandmat
|
|
Clistoyucca brevifolia (Engelm.) Rydb. – not accepted
|
|
Coryphantha radiosa (Engelm.) Rydb. – not accepted
|
|
Cuscuta curta (Engelm.) Rydb. – not accepted
|
|
Galarhoeus robustus (Engelm.) Rydb. – not accepted
|
|
Rorippa calycina (Engelm.) Rydb. – accepted – persistent-sepal yellowcress, persistent sepal yellowcress
|
|
Sabina monosperma (Engelm.) Rydb. – not accepted
|
|
Sabina utahensis (Engelm.) Rydb. – not accepted
|
|
Echinocereus ctenoides (Engelm.) Rümpler – not accepted
|
|
Echinocereus fendleri (Engelm.) Rümpler – not accepted – Órgano-pequeño de Nuevo México, pinkflower hedgehog cactus, Fendler's hedgehog cactus
|
|
Echinocereus longisetus (Engelm.) Rümpler – accepted
|
|
Echinocereus longisetus ssp. longisetus (Engelm.) Rümpler – accepted
|
|
Echinocereus pectinatus var. rigidissimus (Engelm.) Rümpler – not accepted
|
|
Echinocereus phoeniceus (Engelm.) Rümpler – not accepted
|
|
Echinocereus phoeniceus var. phoeniceus (Engelm.) Rümpler – not accepted
|
|
Echinocereus viridiflorus var. cylindricus (Engelm.) Rümpler – not accepted – nylon hedgehog cactus
|
|
Echinocereus X roetteri (Engelm.) Rümpler – accepted
|
|
Juncus arcticus var. montanus (Engelm.) S.L. Welsh – not accepted
|
|
Sclerocactus pubispinus var. spinosior (Engelm.) S.L. Welsh – not accepted
|
|
Juniperus monosperma (Engelm.) Sarg. – accepted – oneseed juniper, enebro de sombra
|
|
Quercus chrysolepis var. palmeri (Engelm.) Sarg. – not accepted
|
|
Quercus chrysolepis var. palneri (Engelm.) Sarg. – not accepted
|
|
Echinocereus fendleri (Engelm.) Sencke ex J.N. Haage – accepted
|
|
Echinocereus fendleri ssp. fendleri (Engelm.) Sencke ex J.N. Haage – accepted
|
|
Echinocereus fendleri var. fendleri (Engelm.) Sencke ex J.N. Haage – not accepted – pinkflower hedgehog cactus, Fendler's hedgehog cactus
|
|
Pinus leiophylla var. chihuahuana (Engelm.) Shaw – accepted – Chihuahuan pine, yellow pine, pino real
|
|
Pinus ponderosa var. arizonica (Engelm.) Shaw – not accepted
|
|
Cathartolinum aristatum (Engelm.) Small – not accepted
|
|
Cathartolinum puberulum (Engelm.) Small – not accepted
|
|
Chamaesyce angusta (Engelm.) Small – not accepted – blackfoot sandmat
|
|
Chamaesyce cinerascens (Engelm.) Small – not accepted – ashy sandmat
|
|
Chamaesyce geyeri (Engelm.) Small – not accepted – Geyer's spurge, Geyer's sandmat
|
|
Chamaesyce geyeri var. geyeri (Engelm.) Small – not accepted – Geyer's sandmat
|
|
Chamaesyce glyptosperma (Engelm.) Small – not accepted – ridgeseed spurge, rib-seed sandmat, ribseed sandmat
|
|
Chamaesyce lata (Engelm.) Small – not accepted – hoary spurge, hoary sandmat
|
|
Chamaesyce nuttallii (Engelm.) Small – not accepted
|
|
Chamaesyce petaloidea (Engelm.) Small – not accepted
|
|
Chamaesyce revoluta (Engelm.) Small – not accepted – thread-stem sandmat, threadstem spurge, threadstem sandmat
|
|
Chamaesyce stictospora (Engelm.) Small – not accepted – slim-seed sandmat, slimseed spurge, slimseed sandmat
|
|
Cuscuta glandulosa (Engelm.) Small – not accepted
|
|
Euphorbia nuttallii (Engelm.) Small – not accepted
|
|
Euphorbia robusta (Engelm.) Small – not accepted – robust spurge, Rocky Mountain spurge
|
|
Helianthium parvulum (Engelm.) Small – not accepted
|
|
Manfreda tigrina (Engelm.) Small – not accepted
|
|
Poinsettia barbellata (Engelm.) Small – not accepted
|
|
Poinsettia cuphosperma (Engelm.) Small – not accepted
|
|
Polygonum microspermum (Engelm.) Small – not accepted
|
|
Tithymalopsis curtisii (Engelm.) Small – not accepted
|
|
Tithymalus brachycera (Engelm.) Small – not accepted
|
|
Tithymalus brachycerus (Engelm.) Small – not accepted
|
|
Tithymalus leiococcus (Engelm.) Small – not accepted
|
|
Tithymalus peplidion (Engelm.) Small – not accepted
|
|
Tithymalus robustus (Engelm.) Small – not accepted
|
|
Tithymalus tetraporus (Engelm.) Small – not accepted
|
|
Juncus balticus ssp. littoralis (Engelm.) Snogerup – accepted – Baltic rush
|
|
Zygophyllidium bilobatum (Engelm.) Standl. – not accepted
|
|
Euphorbia indivisa (Engelm.) Tidestr. – accepted – royal sandmat
|
|
Bouteloua pappilosa (Engelm.) Torr. – not accepted
|
|
Chondrosum papillosum (Engelm.) Torr. – not accepted
|
|
Opuntia spinosior (Engelm.) Toumey – not accepted – Cholla tasajillo de Arizona, walkingstick cactus, cane cholla
|
|
Opuntia spinosoir (Engelm.) Toumey – not accepted
|
|
Quercus X subintegra (Engelm.) Trel. – accepted – oak
|
|
Pinus ayacahuite var. reflexa (Engelm.) Voss – not accepted
|
|
Pinus cembroides var. edulis (Engelm.) Voss – not accepted
|
|
Echinocereus pentalophus ssp. procumbens (Engelm.) W. Blum & Mich. Lange – accepted
|
|
Echinocereus coccineus ssp. paucispinus (Engelm.) W. Blum, Mich. Lange & Rutow – accepted
|
|
Geranium caespitosum var. parryi (Engelm.) W.A. Weber – not accepted – Parry's geranium
|
|
Grammica denticulata (Engelm.) W.A. Weber – not accepted
|
|
Grammica indecora ssp. neuropetala (Engelm.) W.A. Weber – not accepted
|
|
Grammica pentagona (Engelm.) W.A. Weber – not accepted
|
|
Hippochaete hyemalis ssp. affinis (Engelm.) W.A. Weber – not accepted
|
|
Mesynium aristatum (Engelm.) W.A. Weber – not accepted
|
|
Mesynium puberulum (Engelm.) W.A. Weber – not accepted
|
|
Tithymalus incisa (Engelm.) W.A. Weber – not accepted
|
|
Tithymalus incisus (Engelm.) W.A. Weber – not accepted
|
|
Oenothera berlandieri ssp. pinifolia (Engelm.) W.L. Wagner & Hoch – accepted – Berlandier's sundrops
|
|
Oenothera suffulta (Engelm.) W.L. Wagner & Hoch – accepted – kisses
|
|
Oenothera suffulta ssp. suffulta (Engelm.) W.L. Wagner & Hoch – accepted – kisses
|
|
Coryphantha vivipara var. aggregata (Engelm.) W.T. Marshall – not accepted
|
|
Coryphantha vivipara var. arizonica (Engelm.) W.T. Marshall – not accepted
|
|
Coryphantha vivipara var. deserti (Engelm.) W.T. Marshall – not accepted
|
|
Echinocereus triglochidiatus var. paucispinus (Engelm.) W.T. Marshall – not accepted
|
|
Thelocactus unguispinus (Engelm.) W.T. Marshall – not accepted
|
|
Phoradendron juniperinum ssp. libocedri (Engelm.) Wiens – not accepted
|
|
Phoradendron tomentosum ssp. macrophyllum (Engelm.) Wiens – not accepted
|
|
Cymanchum utahense (Engelm.) Woodson – not accepted
|
|
Cynanchum utahense (Engelm.) Woodson – not accepted – Utah swallowwort, Utah astephanus, Utah swallow-wort
|
|
Chamaesyce serrula (Engelm.) Wooton & Standl. – not accepted – saw-tooth sandmat, sawtooth sandmat
|
|
Talinum angustissimum (Engelm.) Wooton & Standl. – not accepted
|
|
Tithymalus luridus (Engelm.) Wooton & Standl. – not accepted
|
|
Tithymalus mexicanus (Engelm.) Wooton & Standl. – not accepted
|
|
Zygophyllidum exstipulatum (Engelm.) Wooton & Standl. – not accepted
|
|
Cuscuta glabrior (Engelm.) Yunck. – accepted – bushclover dodder
|
|
Cuscuta glabrior var. pubescens (Engelm.) Yunck. – not accepted
|
|
Cuscuta pentagona var. pubescens (Engelm.) Yunck. – not accepted – field dodder, bushclover dodder
|
|
Eustylis purpurea (Herb.) Engelm. & A. Gray – not accepted
|
|
Mammillaria brandegeei (J.M. Coult.) Engelm. ex K. Brandegee – accepted
|
|
Mammillaria brandegeei ssp. brandegeei (J.M. Coult.) Engelm. ex K. Brandegee – accepted
|
|
Mammillaria gabbii (J.M. Coult.) Engelm. ex K. Brandegee – not accepted
|
|
Echinocactus xeranthemoides (J.M. Coult.) Engelm. ex Rydb. – not accepted
|
|
Echinodorus ranunculoides (L.) Engelm. – not accepted
|
|
Juncus effusus var. conglomeratus (L.) Engelm. – not accepted – common rush
|
|
Valerianella amarella (Lindh. ex Engelm.) Krok – accepted – hairyseed cornsalad, hairy cornsalad
|
|
Yucca tortifolia Lindl. ex Engelm. – not accepted
|
|
Yucca macrocarpa Merriam, non Engelm. – not accepted
|
|
Cnidoscolus stimulosus (Michx.) Engelm. & A. Gray – not accepted – finger rot
|
|
Dianthera humilis (Michx.) Engelm. & A. Gray – not accepted
|
|
Echinocactus setispinus var. hamatus (Muehlenpf.) Engelm. – not accepted
|
|
Stillingia angustifolia (Müll. Arg.) Engelm. ex S. Watson – not accepted
|
|
Cuscuta cassytoides Nees ex Engelm. – accepted – African dodder
|
|
Buchloe dactyloides (Nutt.) Engelm. – not accepted – buffalograss
|
|
Echinodorus radicans (Nutt.) Engelm. – not accepted
|
|
Echinodorus rostratus (Nutt.) Engelm. – not accepted
|
|
Phoradendron flavescens var. villosum (Nutt.) Engelm. – not accepted
|
|
Quercus macrocarpa var. depressa (Nutt.) Engelm. – not accepted – bur oak
|
|
Physostegia intermedia (Nutt.) Engelm. & A. Gray – accepted – intermediate dragonhead, slender false dragonhead
|
|
Arceuthobium americanum Nutt. ex Engelm. – accepted – lodgepole pine dwarf mistletoe, American dwarf mistletoe
|
|
Helianthemum capitatum Nutt. ex Engelm. & A. Gray – not accepted
|
|
Sida oregana Nutt. ex Engelm. & A. Gray – not accepted
|
|
Phoradendron villosum (Nutt.) Nutt. ex Engelm. – accepted – Pacific mistletoe
|
|
Phoradendron villosum ssp. villosum (Nutt.) Nutt. ex Engelm. – not accepted – Pacific mistletoe
|
|
Cereus engelmannii Parry ex Engelm. – not accepted
|
|
Echinocactus johnsonii Parry ex Engelm. – not accepted
|
|
Picea engelmannii Parry ex Engelm. – accepted – Engelmann spruce, Columbian spruce, mountain spruce, silver spruce, white spruce, Engelmann's spruce
|
|
Picea engelmannii var. engelmannii Parry ex Engelm. – accepted – Engelmann spruce
|
|
Picea glauca var. engelmannii (Parry ex Engelm.) B. Boivin – not accepted
|
|
Ferocactus johnsonii (Parry ex Engelm.) Britton & Rose – not accepted
|
|
Echinomastus johnsonii (Parry ex Engelm.) E.M. Baxter – not accepted
|
|
Pediocactus johnsonii (Parry ex Engelm.) Halda – not accepted
|
|
Neolloydia johnsonii (Parry ex Engelm.) L.D. Benson – not accepted
|
|
Echinocereus engelmannii (Parry ex Engelm.) Lem. – accepted – Órgano-pequeño fresa, Engelmann's hedgehog cactus, strawberry cactus
|
|
Echinocereus engelmannii ssp. engelmannii (Parry ex Engelm.) Lem. – not accepted
|
|
Echinocereus engelmannii var. engelmannii (Parry ex Engelm.) Lem. – accepted – Engelmann's hedgehog cactus, Engelmann's cactus
|
|
Sclerocactus johnsonii (Parry ex Engelm.) N.P. Taylor – accepted – Johnson's fishhook cactus, Johnson's barrel cactus, pygmy barrel cactus
|
|
Picea glauca ssp. engelmannii (Parry ex Engelm.) T.M.C. Taylor – not accepted
|
|
Agave rigida var. sisalana (Perrine) Engelm. – not accepted
|
|
Echinodorus Rich. & Engelm. ex A. Gray – accepted – burhead
|
|
Croton californicus var. major S. Watson ex Engelm. – not accepted
|
|
Yucca gloriosa var. recurvifolia (Salisb.) Engelm. – accepted – curve-leaf yucca
|
|
Opuntia engelmannii Salm-Dyck ex Engelm. – accepted
|
|
Opuntia engelmannii var. engelmannii Salm-Dyck ex Engelm. – accepted
|
|
Crataegus brachyacantha Sarg. & Engelm. – accepted – blueberry hawthorn
|
|
Echinocereus pectinatus (Scheidw.) Engelm. – accepted – Órgano-pequeño peine, rainbow cactus
|
|
Echinocereus pectinatus ssp. pectinatus (Scheidw.) Engelm. – accepted
|
|
Echinocereus pectinatus var. pectinatus (Scheidw.) Engelm. – not accepted – rainbow cactus
|
|
Cuscuta rostrata Shuttlw. ex Engelm. & A. Gray – accepted – beaked dodder
|
|
Polygonella polygama (Vent.) Engelm. & A. Gray – accepted – October flower
|
|
Polygonella polygama var. polygama (Vent.) Engelm. & A. Gray – accepted – October flower
|
|
Syngonium podophyllum var. albolineatum (W. Bull) Engelm. – not accepted
|
|
Cuscuta potosina W. Schaffn. ex Engelm. – accepted – globe dodder
|
|
Catalpa speciosa (Warder) Warder ex Engelm. – accepted – northern catalpa |
|
|