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Taxon author: Pers.

ITIS records citing taxon author "Pers."
 Kingdom Animalia
  Arrhinopsis Stappers, 1911 -- valid
  Arrhinopsis longicornis Stappers, 1911 -- valid
  Cyclothone braueri Jespersen and Tning, 1926 -- valid -- Brauer's bristlemouth
  Cyclothone pygmaea Jespersen and Tning, 1926 -- valid
  Euchaeta wilsoni Jespersen, 1934 -- valid
  Euraresta Persson, 1958 -- invalid
  Leontopithecus caissara Lorini and Persson, 1990 -- valid -- Black-faced Lion Tamarin, Superagui Lion Tamarin
  Margrethia Jespersen and Tning, 1919 -- valid
  Margrethia obtusirostra Jespersen and Tning, 1919 -- valid
  Margrethia obtusirostris Jespersen and Tning, 1919 -- invalid
  Munna hanseni Stappers, 1911 -- valid
  Myiolia caecio Persson, 1958 -- invalid
  Noeta Persson, 1958 -- invalid
  Orellia wintheimi Persson, 1958 -- invalid
  Paroxyna absintii Persson, 1958 -- invalid
  Paroxyna tesselata Persson, 1958 -- invalid
  Phillophylla Persson, 1958 -- invalid
  Pleusymtes kariana (Stappers, 1911) -- valid
  Pleusymtes karianus Stappers, 1911 -- valid
  Pseudione borealis Caspers, 1939 -- valid
  Pterastericola psilastericola (Jespersen and Luetzen, 1972) -- valid
  Tephritis ceraci Persson, 1958 -- invalid
  Tephritis lycnidis Persson, 1958 -- invalid
  Triloborhynchus psilastericola Jespersen and Luetzen, 1972 -- invalid
 Kingdom Fungi
  Agyrium rufum (Pers.) Fr. -- accepted
  Arcyria cinerea (Bull.) Pers. -- accepted
  Ascobolus pezizoides Pers. -- accepted
  Astraeus hygrometricus (Pers.) Morgan -- accepted
  Caloplaca arenaria (Pers.) Mll. Arg. -- accepted
  Caloplaca aurantia (Pers.) Steiner -- accepted
  Caloplaca variabilis (Pers.) Mll. Arg. -- accepted
  Chlorencoilia versiformis (Persoon Ex Persoon) Dixon -- accepted
  Cladonia caespiticia (Pers.) Flrke -- accepted
  Cladosporium herbarum (Pers.) Link Ex S. F. Gray -- accepted
  Coccocarpia Pers. -- accepted
  Cytospora chrysosperma (Pers.) Fries -- accepted
  Diderma testaceum (Schrad.) Pers. -- accepted
  Diderma vernicosum Persoon -- not accepted
  Geoglossum Persoon Ex Fries, 1821 -- accepted
  Glypholecia scabra (Pers.) Mll. Arg. -- accepted
  Gnomonia setacea (Pers. Ex Fr.) Ces. and Denot. -- accepted
  Haematomma ochroleucum var. porphyrium (Pers.) J.R. Laundon -- accepted
  Haematomma porphyrium (Pers.) Zopf -- not accepted
  Hypogymnia lugubris (Pers.) Krog -- accepted
  Iodophanus carneus (Pers.) Korf -- accepted
  Lacnellula chrysophthalma (Persoon) P. A. Karston -- accepted
  Lecanora pulicaris (Pers.) Ach. -- accepted
  Lecanora sambuci (Pers.) Nyl. -- accepted
  Leocarpus vernicosus (Persoon) Link -- accepted
  Leotia Persoon Ex Fries, 1828 -- accepted
  Leptosphaeria doliolum (Pers. and Fr.) Ces. and Denot. -- accepted
  Letrouitia domingensis (Pers.) Hafellner & Bellem. -- accepted
  Megalaria grossa (Pers. ex Nyl.) Hafellner -- accepted
  Monilia C. H. Persoon Ex Fries, 1832 -- accepted
  Mucor caninus Pers. -- accepted
  Mycosphaerella punctiformis (Pers. Ex Fr.) Starback -- accepted
  Peziza chrysophthalma Persson -- not accepted
  Peziza versiformis Persoon Ex Persoon -- not accepted
  Phyllopsora parvifolia (Pers.) Mll. Arg. -- accepted
  Physarum bivalve Pers. -- accepted
  Physarum columbinum (Persoon) Rostafinski -- not accepted
  Physarum nutans Pers. -- accepted
  Pleospora herbarum (Pers. Ex Fr.) Rabenh. -- accepted
  Puccinia Pers. -- accepted
  Puccinia graminis Pers. -- accepted -- cereal rust
  Ramalina fastigiata (Pers.) Ach. -- accepted
  Spatularia flavida Persoon Ex Fries -- accepted
  Sphaerella punctiformis (Pers. Ex Fr.) Rabenh. -- not accepted
  Tubercularia Tode Ex Persoon, 1801 -- accepted
  Uromyces fabae (Pers.) de Bary -- accepted -- broad bean rust
  Uromyces pisi (Pers.) de Bary -- accepted -- pea rust
  Ustilago (Pers.) Roussel -- accepted
  Ustilago avenae (Pers.) Rostr. -- accepted -- loose smut of oats
  Xylographa abietina (Pers.) Zahlbr. -- accepted
 Kingdom Plantae
  Achimenes Pers. -- accepted
  Achimenes coccinea (Scop.) Pers. -- not accepted
  Acisanthera quadrata Pers. -- accepted -- dustseed
  Acmella Rich. ex Pers. -- accepted -- spotflower
  Acrobolbus azoricus (Grolle & Perss.) Briscoe -- accepted
  Acrobolbus madeirensis (Grolle & Perss.) Briscoe -- accepted
  Adenophyllum Pers. -- accepted -- dogweed
  Afzelia africana Sm. ex Pers. -- accepted -- African mahogany
  Ageratum corymbosum Zuccagni ex Pers. -- accepted -- flat-top whiteweed, flattop whiteweed
  Agropyron pungens (Pers.) Roem. & Schult. -- not accepted
  Agropyron pungens var. pungens (Pers.) Roem. & Schult. -- not accepted
  Agropyron repens ssp. pungens (Pers.) Hook. f. -- not accepted
  Agropyron repens var. pungens (Pers.) Duby -- not accepted
  Agrostis alba var. palustris (Huds.) Pers. -- not accepted
  Agrostis alba var. verticillata (Vill.) Pers. -- not accepted
  Agrostis barbata Pers. -- not accepted
  Agrostis barbata var. senegalensis Pers. -- not accepted
  Agrostis dulcis (Pers.) Sibth. ex Kunth -- not accepted
  Agrostis stolonifera var. dulcis Pers. -- not accepted
  Agrostis vulgaris var. pumila (L.) Pers. -- not accepted
  Aira gracilis (Pers.) Trin. -- not accepted
  Airochloa gracilis (Pers.) Link -- not accepted
  Alloplectus sanguineus (Pers.) G. Don -- not accepted
  Alopecurus subaristatus Pers. -- not accepted
  Alopecurus utriculatus (L.) Pers. -- not accepted
  Alopecurus ventricosus Pers. -- not accepted
  Alpinia zerumbet (Pers.) B.L. Burtt & R.M. Sm. -- accepted -- shellflower, shellplant
  Amberboa (Pers.) Less. -- accepted -- amberboa
  Amorpha glabra (Pers.) Poir. -- accepted -- mountain false indigo
  Anacyclus clavatus (Desf.) Pers. -- accepted -- whitebuttons
  Anacylus clavatus (Desf.) Pers. -- not accepted -- whitebuttons
  Andropogon contortus var. glaber (Pers.) Hack. -- not accepted
  Andropogon filiformis Pers. -- not accepted
  Andropogon glaber (Pers.) Raspail -- not accepted
  Andropogon sorghum var. vulgaris (Pers.) Hack. -- not accepted
  Andropogon sorghum var. vulgaris (Pers.) Stapf ex Hook. f. -- not accepted
  Andropogon vulgaris (Pers.) Raspail -- not accepted
  Annona senegalensis Pers. -- accepted -- wild custard-apple
  Anthriscus Pers. -- accepted -- chervil
  Apium leptophyllum (Pers.) F. Muell. ex Benth. -- not accepted
  Arabis rhomboidea Pers. -- not accepted
  Armeria arenaria (Pers.) Schult. -- accepted
  Aronia arbutifolia (L.) Pers. -- accepted -- red chokeberry
  Aronia pyrifolia (Lam.) Pers. -- not accepted
  Arundo sagittata (Aubl.) Pers. -- not accepted
  Asclepias incarnata var. pulchra (Ehrh. ex Willd.) Pers. -- not accepted
  Avena redolens (Vahl) Pers. -- not accepted
  Baccharis concava (Ruiz & Pav.) Pers. -- accepted
  Baccharis glomeruliflora Pers. -- accepted -- silverling
  Baccharis glutinosa Pers. -- not accepted
  Baccharis myrsinites (Lam.) Pers. -- accepted -- Santo Domingo false willow
  Baccharis salicifolia (Ruiz & Pav.) Pers. -- accepted -- mule's fat, mule-fat, seep willow, seepwillow, seepwillow baccharis
  Barbieria pinnata (Pers.) Baill. -- accepted
  Basistelma angustifolia (Torr.) Bartlett, non Cynanchum angustifolium Pers. -- not accepted
  Batrachium flaccidum (Pers.) Rupr. -- not accepted
  Bauhinia pauletia Pers. -- accepted -- railroadfence
  Bazzania azorica H. Buch & Perss. -- accepted
  Besleria sanguinea Pers. -- not accepted
  Boscia senegalensis (Pers.) Lam. -- accepted -- Senegal boscia
  Braconotia pungens (Pers.) Godr. -- not accepted
  Bradburya plumieri (Turpin ex Pers.) Kuntze -- not accepted
  Bromus alopecurus Poir. ex Pers. -- not accepted
  Bromus hordeaceus f. leptostachys (Pers.) Wiegand -- not accepted
  Bromus hordeaceus var. leptostachys (Pers.) Beck -- not accepted
  Bromus leptostachys (Pers.) Steud. -- not accepted
  Bromus leptostachys (Pers.) Fouill. ex de Lesd. -- not accepted
  Bromus mollis var. leptostachys Pers. -- not accepted
  Brugmansia Pers. -- accepted
  Brugmansia candida Pers. -- not accepted -- angel's-trumpet
  Brugmansia X candida Pers. (pro. sp.) -- accepted -- angel's-trumpet, angelstrumpet, brugmansia
  Bryum lapponicum sensu Perss. -- not accepted
  Bumelia lanuginosa (Michx.) Pers. -- not accepted -- gum bumelia
  Bumelia lycioides (L.) Pers. -- not accepted -- buckthorn bumelia
  Calypogeia sphagnicola (Arnell & J. Perss.) Warnst. & Loeske -- accepted
  Calypogeia suecica (Arnell & J. Perss.) Mll. Frib. -- accepted
  Calypogeja sphagnicola (Arnell & J. Perss.) Warnst. & Loeske -- not accepted -- sphagnum calypogeja
  Calypogeja suecica (Arnell & J. Perss.) Mll. Frib. -- not accepted
  Camelina dentata Pers. -- not accepted
  Campanula linifolia Pers. -- not accepted
  Camptothecium lutescens ssp. fulgescens (Mitt. ex Mll. Hal.) Perss. -- not accepted
  Campylium adscendens (Lindb.) Perss. & Gjaerev. -- not accepted
  Campylium stellatum var. adscendens (Lindb.) Perss. -- not accepted
  Cardamine rhomboidea (Pers.) DC. -- not accepted
  Carduus muticus (Michx.) Pers. -- not accepted
  Carduus repandus (Michx.) Pers. -- not accepted
  Carex brunnescens (Pers.) Poir. -- accepted -- brownish sedge
  Carex brunnescens ssp. brunnescens (Pers.) Poir. -- accepted -- brownish sedge
  Cassia rotundifolia Pers. -- not accepted
  Celtis sinensis Pers. -- accepted -- Chinese hackberry, Japanese hackberry
  Centella repanda (Pers.) Small -- not accepted
  Centrosema plumieri (Turpin ex Pers.) Benth. -- accepted -- feefee
  Cerastium brachypetalum Pers. -- accepted -- gray chickweed
  Cerastium brachypetalum ssp. brachypetalum Pers. -- not accepted -- gray chickweed
  Cerastium diffusum Pers. -- accepted -- fourstamen chickweed
  Ceratocephala falcata auct. non (L.) Pers. -- not accepted
  Ceresia elegans Pers. -- not accepted
  Chamaecrista rotundifolia (Pers.) Greene -- accepted -- roundleaf sensitive pea
  Chamaesyce ophthalmica (Pers.) D.G. Burch -- not accepted -- Florida hammock sandmat
  Chamaesyce serpyllifolia (Pers.) Small -- not accepted -- thyme-leaf sandmat, thymeleaf sandmat
  Chamaesyce serpyllifolia ssp. serpyllifolia (Pers.) Small -- not accepted -- thyme-leaf sandmat, thymeleaf sandmat, thymeleaf spurge
  Cheilolejeunea cedercreutzii (H. Buch & Perss.) Grolle -- accepted
  Chionanthus ligustrinus (Sw.) Pers. -- accepted -- cabra blanca
  Chrysanthemum uliginosum Pers. -- not accepted
  Chrysobalanus rugosus (Pers.) M. Gmez -- not accepted
  Chrysurus Pers. -- not accepted
  Chrysurus cynosuroides Pers. -- not accepted
  Ciclospermum leptophyllum (Pers.) Sprague ex Britton & P. Wilson -- not accepted -- marsh parsley
  Cissus ampelopsis Pers. -- not accepted
  Clematis guadeloupae Pers. -- accepted
  Clitoria pinnata (Pers.) R.H. Sm. & G.P. Lewis -- not accepted
  Clitoria rubiginosa Juss. ex Pers. -- not accepted
  Coleogeton filiformis (Pers.) Les & R.R. Haynes -- not accepted
  Collandra sanguinea (Pers.) Griseb. -- not accepted
  Columbia Pers. -- accepted
  Columnea sanguinea (Pers.) Hanst. -- accepted
  Corydalis capnoides (L.) Pers. -- accepted -- cream fumewort
  Corydalis pauciflora (Stephan) Pers. -- accepted -- fewflower fumewort
  Corydalis sempervirens (L.) Pers. -- accepted -- rock harlequin
  Cosmos parviflorus (Jacq.) Pers. -- accepted -- southwestern cosmos
  Crataegus michauxii Pers. -- not accepted
  Crataegus prunifolia Pers. -- not accepted
  Crataegus tanacetifolia (Poir.) Pers. -- accepted
  Crepis nicaeensis Balbis ex Pers. -- accepted -- Turkish hawksbeard
  Crotalaria senegalensis (Pers.) Bacle ex DC. -- accepted
  Croton furfuraceus Pers. -- not accepted
  Croton lasianthus Pers. -- not accepted
  Croton phlomoides Pers. -- not accepted
  Croton ricinoides Pers. -- not accepted
  Croton tiliifolius Pers. -- not accepted
  Crupina (Pers.) DC. -- accepted -- crupina
  Cyclospermum leptophyllum (Pers.) Sprague ex Britton & P. Wilson -- accepted -- marsh parsley
  Cydonia japonica (Thunb.) Pers. -- not accepted
  Cydonia vulgaris Pers. -- not accepted
  Cymanchum angustifolium Pers. -- not accepted
  Cymanchum nigrum (L.) Pers. -- not accepted
  Cymanchum vicncetoxicum (L.) Pers. -- not accepted
  Cynanchum angustifolium Pers. -- not accepted -- gulf coast swallow-wort, Gulf coast swallowwort
  Cynanchum laeve (Michx.) Pers. -- accepted -- climbing milkweed, honeyvine, honeyvine milkweed, sandvine
  Cynanchum nigrum (L.) Pers. -- not accepted -- black swallowwort, climbing milkweed, Louis' swallow-wort
  Cynanchum vincetoxicum (L.) Pers. -- not accepted -- white swallow-wort
  Cynodon dactylon (L.) Pers. -- accepted -- Bermudagrass, chiendent pied-de-poule, common bermudagrass, devilgrass, grama-seda, manienie, motie molulu
  Cynodon dactylon var. dactylon (L.) Pers. -- accepted -- Bermudagrass
  Cynosurus dactylon (L.) Pers. -- not accepted
  Dalbergaria sanguinea (Pers.) Steud. -- not accepted
  Danthonia villosa (Pers.) Trin. -- not accepted
  Datura candida (Pers.) Saff. -- not accepted
  Dichrostachys nutans (Pers.) Benth. -- not accepted -- marabu
  Dicranum rupincola (Kindb.) Perss. -- not accepted
  Digitaria appressa (Lam.) Pers. -- not accepted
  Digitaria ciliaris (Retz.) Pers. -- not accepted
  Digitaria distachya (L.) Pers. -- not accepted
  Digitaria humifusa Pers. -- not accepted
  Digitaria longiflora (Retz.) Pers. -- accepted -- Indian crabgrass
  Digitaria villosa (Walter) Pers. -- accepted -- shaggy crabgrass
  Drepanocladus pseudosarmentosus (Cardot & Thr.) Perss. -- not accepted
  Drepanocladus tenuinervis Perss. ex T.J. Kop. -- not accepted
  Dulichium Pers. -- accepted -- dulichium
  Eleusine aegyptia (L.) Pers. -- not accepted
  Eleusine domingensis (Jacq.) Pers. -- not accepted
  Eleusine filiformis Pers. -- not accepted
  Eleusine virgata (L.) Pers. -- not accepted
  Elymus pungens (Pers.) Melderis -- not accepted
  Elytraria caroliniensis (J.F. Gmel.) Pers. -- accepted -- Carolina scalystem
  Elytraria caroliniensis var. caroliniensis (J.F. Gmel.) Pers. -- accepted -- Carolina scalystem
  Elytraria imbricata (Vahl) Pers. -- accepted -- purple scalystem
  Elytrigia pungens (Pers.) Tutin -- not accepted -- coastal quackgrass
  Enodium Pers. ex Gaudin -- not accepted
  Eragrostis domingensis (Pers.) Steud. -- not accepted
  Erigeron annuus (L.) Pers. -- accepted -- annual fleabane, eastern daisy fleabane
  Erigeron myosotis Pers. -- accepted
  Escallonia rubra (Ruiz & Pav.) Pers. -- accepted -- redclaws
  Eugenia foetida Pers. -- accepted -- boxleaf stopper
  Eugenia maleolens Pers. -- not accepted
  Euphorbia atlantica Pers. -- not accepted
  Euphorbia avenia Thibaut ex Pers. -- not accepted
  Euphorbia canaliculata Pers. -- not accepted
  Euphorbia cornuta Pers. -- not accepted
  Euphorbia hirta var. ophthalmica (Pers.) Allem & Irgang -- not accepted
  Euphorbia isatis Pers. -- not accepted
  Euphorbia mercurialis Pers. -- not accepted
  Euphorbia nuda Lam. ex Pers. -- not accepted
  Euphorbia oleracea Pers. -- not accepted
  Euphorbia ophthalmica Pers. -- accepted -- Florida hammock sandmat
  Euphorbia platyphyllos var. subciliata (Pers.) Nyman -- not accepted
  Euphorbia purpurata var. elliptica Pers. -- not accepted
  Euphorbia serpyllifolia Pers. -- accepted -- thymeleaf sandmat
  Euphorbia serpyllifolia var. serpyllifolia Pers. -- accepted -- thymeleaf sandmat
  Euphorbia serrata var. truncata Pers. -- not accepted
  Euphorbia subciliata Pers. -- not accepted
  Euphorbia tomentosa Pers. -- not accepted
  Euphorbia truncata (Pers.) Loudon -- not accepted
  Euphorbia valerianae Pers. -- not accepted
  Euphrasia nemorosa (Pers.) Wallr. -- accepted -- common eyebright
  Exostema (Pers.) Humb. & Bonpl. -- accepted
  Festuca poaeoides var. americana Pers. -- not accepted
  Festuca rubens (L.) Pers. -- not accepted
  Festuca subverticillata (Pers.) E.B. Alexeev -- accepted -- nodding fescue
  Festuca subverticillata f. subverticillata (Pers.) E.B. Alexeev -- accepted
  Ficus macrophylla Desf. ex Pers. -- accepted
  Filago minima (Sm.) Pers. -- not accepted -- little cottonrose
  Fimbristylis bengalensis (Pers.) Roem. & Schult. -- not accepted -- fimbry
  Galium punctatum Pers. -- not accepted
  Gnaphalium polycaulon Pers. -- accepted -- many stem cudweed
  Habrodon leucotrichus (Mitt.) Perss. -- not accepted
  Hedeoma Pers. -- accepted -- false pennyroyal, falsepennyroyal, pennyroyal
  Hedeoma pulegioides (L.) Pers. -- accepted -- American false pennyroyal
  Helianthus X laetiflorus Pers. (pro sp.) -- accepted -- cheerful sunflower, mountain sunflower
  Heliopsis Pers. -- accepted -- heliopsis
  Heteropogon Pers. -- not accepted
  Heteropogon Pers. -- accepted -- tanglehead, tanglehead grass
  Heteropogon contortus var. glaber (Pers.) Hack. -- not accepted
  Heteropogon glaber Pers. -- not accepted
  Heteropogon hirtus Pers. -- not accepted
  Hirtella rugosa Pers. -- accepted -- teta de burra cinarron
  Hordeum sativum Pers. -- not accepted
  Hylocomium giganteum Perss. -- not accepted
  Hylocomium splendens ssp. giganteum Perss. ex Vitt -- not accepted
  Hypolytrum Pers. -- accepted
  Jarava usitata Pers. -- not accepted
  Jaumea Pers. -- accepted -- jaumea
  Jeffersonia diphylla (L.) Pers. -- accepted -- rheumatism-root, twinleaf
  Juniperus prostrata Pers. -- not accepted
  Juniperus virginiana var. prostrata (Pers.) Torr. -- not accepted
  Kalanchoe pinnata (Lam.) Pers. -- accepted -- cathedral bells
  Keraselma oleracea (Pers.) Raf. -- not accepted
  Koeleria Pers. -- accepted -- Junegrass, koeleria
  Koeleria cristata Pers. -- not accepted
  Koeleria cristata var. gracilis (Pers.) A. Gray -- not accepted
  Koeleria gracilis Pers. -- not accepted
  Koeleria phleoides (Vill.) Pers. -- not accepted
  Lagerstroemia speciosa (L.) Pers. -- accepted -- pride of India
  Lamium purpureum var. incisum (Willd.) Pers. -- accepted -- hybrid deadnettle, purple deadnettle, red deadnettle
  Lantana reticulata Pers. -- accepted -- netted shrubverbena
  Leiophyllum (Pers.) R. Hedw. -- not accepted -- leiophyllum
  Leonotis (Pers.) R. Br. -- accepted -- lion's ear
  Lepicolea fryei Perss. -- not accepted
  Lepironia Pers. -- accepted
  Leptochloa filiformis (Pers.) P. Beauv. -- not accepted
  Leptoscyphus porphyrius ssp. azoricus (H. Buch & Perss.) Vanderp. & Heinrichs -- accepted
  Lespedeza juncea (L. f.) Pers. -- accepted -- juncea lespedeza, Siberian lespedeza
  Lespedeza violacea (L.) Pers. -- accepted -- violet lespedeza
  Lespedeza violacea auct. non (L.) Pers. -- not accepted
  Limnetis Rich. in Persoon -- not accepted
  Limnobotrya lacustris (Pers.) Rydb. -- not accepted
  Linum usitatissimum var. humile (Mill.) Pers. -- not accepted
  Litsea cubeba (Lour.) Pers. -- accepted
  Lodoicea maldivica (J.F. Gmel.) Pers. -- accepted -- coco de mer, double coconut, Seychelles-nut
  Lolium perenne var. cristatum Pers. -- not accepted
  Lonchocarpus domingensis (Turpin ex Pers.) DC. -- accepted -- geno geno
  Lophochaete fryei (Perss.) R.M. Schust. -- not accepted
  Lotus corniculatus var. arvensis (Pers.) Ser. -- not accepted
  Lyonia rubiginosa (Pers.) G. Don -- accepted -- St. Thomas staggerbush
  Lyonia rubiginosa var. rubiginosa (Pers.) G. Don -- not accepted -- St. Thomas staggerbush
  Machaerium Pers. -- accepted
  Macrodiplophyllum (H. Buch) Perss. -- accepted
  Macrodiplophyllum diplophyllum (Mitt.) Perss. -- not accepted
  Macrodiplophyllum imbricatum (M. Howe) H. Perss. -- not accepted
  Macrodiplophyllum microdontum (Mitt.) Perss. -- not accepted
  Macrodiplophyllum plicatum (Lindb.) Perss. -- not accepted
  Martiusia rubiginosa (Juss. ex Pers.) Britton -- not accepted
  Matrella Pers. -- not accepted
  Matrella juncea Pers. -- not accepted
  Medicago media Pers. -- not accepted
  Mertensia virginica (L.) Pers. ex Link -- accepted -- Virginia bluebells
  Miegia Pers. -- not accepted
  Miegia macrosperma (Michx.) Pers. -- not accepted
  Muhlenbergia aristata Pers. -- not accepted
  Myosotis discolor Pers. -- accepted -- changing forget-me-not, yellowandblue forget-me-not
  Myosotis versicolor (Pers.) Sm. -- not accepted
  Neohodgsonia Perss. -- accepted
  Neohodgsonia mirabilis (Perss.) Perss. -- accepted
  Nuphar microphylla (Pers.) Fernald -- accepted -- yellow pond-lily
  Ottelia Pers. -- accepted
  Ottelia alismoides (L.) Pers. -- accepted -- duck lettuce, duck-lettuce, ducklettuce
  Oxycoccus erythrocarpus (Michx.) Pers. -- not accepted
  Oxycoccus palustris Pers. -- not accepted
  Oxytropis leucantha (Pallas) Pers. -- not accepted
  Oxytropis sordida auct. non (Willd.) Pers. -- not accepted
  Panicum humifusum (Pers.) Kunth -- not accepted
  Panicum jumentorum Pers. -- not accepted
  Panicum paspaloides Pers. -- not accepted
  Paspalum adpressum Pers. ex B.D. Jacks. -- not accepted
  Paspalum elegans (Pers.) Roem. & Schult. -- not accepted
  Paspalum humifusum (Pers.) Poir. -- not accepted
  Paspalum plicatum Pers. -- not accepted
  Paspalum strictum Pers. -- not accepted
  Passiflora manicata (Juss.) Pers. -- accepted -- red passionflower
  Pastinaca sativa var. pratensis Pers. -- not accepted -- wild parsnip
  Pennisetum cenchroides Rich. ex Pers. -- not accepted
  Pennisetum typhoideum Rich. ex Pers. -- not accepted
  Pennisetum violaceum (Lam.) Rich. ex Pers. -- not accepted
  Pentameris villosa (Pers.) Nees -- not accepted
  Persicaria nodosa (Pers.) Opiz -- accepted
  Phalaris sativa Pers. -- not accepted
  Phleum dentatum (L.f.) Pers. -- not accepted
  Pithecellobium guadalupense (Pers.) Chapm. -- not accepted
  Poa domingensis Pers. -- not accepted
  Poa lineata Pers. -- not accepted
  Poa subverticillata Pers. -- not accepted
  Podocarpus L'Hr. ex Pers. -- accepted -- plum pine
  Podocarpus elongatus (Aiton) L'Hr. ex Pers. -- accepted
  Polygonum lapathifolium var. nodosum (Pers.) Small -- not accepted
  Polygonum monspeliense Thib.-Bern. ex Pers. -- not accepted
  Polygonum nodosum Pers. -- not accepted
  Porella inaequalis (Gottsche) Perss. -- accepted
  Potamogeton filiformis Pers. -- not accepted -- filiform pondweed, fineleaf pondweed, threadleaf pondweed
  Potentilla palustris var. villosa (Pers.) Lehm. -- not accepted
  Priva lappulacea (L.) Pers. -- accepted -- catstongue
  Priva mexicana (L.) Pers. -- accepted -- Mexican priva
  Privia lappulacea (L.) Pers. -- not accepted
  Psammopyrum pungens (Pers.) . Lve -- not accepted
  Psammopyrum pungens ssp. pungens (Pers.) . Lve -- not accepted
  Pseudolepicolea fryei (Perss.) Grolle & Ando -- accepted
  Psidium amplexicaule Pers. -- accepted -- mountain guava
  Putoria Pers. -- not accepted
  Pycnanthemum muticum (Michx.) Pers. -- accepted -- clustered mountainmint
  Pycnanthemum verticillatum (Michx.) Pers. -- accepted -- whorled mountainmint
  Pycnanthemum verticillatum var. verticillatum (Michx.) Pers. -- not accepted -- whorled mountainmint
  Ranunculus flaccidus Pers. -- not accepted
  Rapistrum rugosum var. venosum (Pers.) DC. -- not accepted -- annual bastardcabbage
  Ribes lacustre (Pers.) Poir. -- accepted -- prickly currant
  Ribes oxycanthoides var. lacustre Pers. -- not accepted
  Roivainenia Perss. -- not accepted
  Rorippa dubia (Pers.) H. Hara -- accepted -- variableleaf yellowcress
  Rosa X bifera (Poir.) Pers. -- not accepted
  Rubus americanus (Pers.) Britton -- not accepted
  Rubus saxatilis var. americanus Pers. -- not accepted
  Sabal minor (Jacq.) Pers. -- accepted -- dwarf palmetto
  Sabina prostrata (Pers.) Antoine -- not accepted
  Saccharum brevibarbe (Michx.) Pers. -- accepted -- shortbeard plumegrass
  Saccharum brevibarbe var. brevibarbe (Michx.) Pers. -- accepted -- shortbeard plumegrass
  Saccharum europeaum Pers. -- not accepted
  Saccharum giganteum (Walter) Pers. -- accepted -- sugarcane plumegrass
  Saccharum officinarum var. violaceum Pers. -- not accepted
  Sarmienta scandens (J.D. Brandis) Pers. -- accepted
  Scapania calcicola (Arnell & J. Perss.) Ingham -- accepted
  Schedonorus americanus (Pers.) Roem. & Schult. -- not accepted
  Schoenoplectus americanus (Pers.) Volkart ex Schinz & R. Keller -- accepted -- American bulrush, chairmaker's bulrush, Olney bulrush, Schoenoplectus
  Scirpus americanus auct. non Pers. -- not accepted
  Scirpus americanus Pers. -- not accepted
  Scutellaria ovalifolia Pers. -- not accepted
  Scutellaria racemosa Pers. -- accepted -- South American skullcap
  Secale pumilum (L. f.) Pers. -- not accepted
  Secale pungens Pers. -- not accepted
  Senecio lobatus Pers. -- not accepted
  Sesbania aculeata Pers. -- not accepted
  Sesbania aegyptiaca (Poir.) Pers. -- not accepted
  Sesbania cannabina (Retz.) Pers. -- accepted
  Sesbania grandiflora (L.) Pers. -- accepted -- vegetable hummingbird
  Sesbania platycarpa Pers. -- not accepted
  Sesuvium sessile Pers. -- not accepted -- western seapurslane
  Seutera angustifolia (Pers.) Fishbein & W.D. Stevens -- accepted -- Gulf-coast swallowwort, marsh swallowwort
  Sida crenatiflora (Ortega) Pers. -- not accepted
  Silene italica (L.) Pers. -- accepted -- Italian catchfly
  Silene repens Patrin ex Pers. -- accepted -- creeping silene, pink campion
  Silene repens ssp. repens Patrin ex Pers. -- not accepted -- pink campion
  Silene sibirica (L.) Pers. -- accepted -- Siberian catchfly
  Simsia Pers. -- accepted -- bush sunflower
  Solanum luteoalbum Pers. -- accepted
  Solanum riparium Pers. -- accepted
  Sorbus intermedia (Ehrh.) Pers. -- accepted -- Swedish whitebeam
  Sorbus spuria Pers. -- not accepted
  Sorghum halepense (L.) Pers. -- accepted -- aleppo milletgrass, herbe de Cuba, Johnson grass, Johnsongrass, sorgho d'Alep, sorgo de alepo, zacate Johnson
  Sorghum halepense f. halepense (L.) Pers. -- not accepted
  Sorghum halepense var. halepense (L.) Pers. -- not accepted
  Sorghum saccharatum (L.) Pers. -- not accepted
  Sorghum saccharatum var. vulgare (Pers.) Kuntze -- not accepted
  Sorghum vulgare Pers. -- not accepted
  Sorghum vulgare var. bicolor (L.) Pers. -- not accepted
  Sorghum vulgare var. vulgare Pers. -- not accepted
  Sorgum halepense (L.) Pers. -- not accepted
  Spergularia (Pers.) J. Presl & C. Presl -- accepted -- sandspurry
  Spergularia canadensis (Pers.) G. Don -- accepted -- Canadian sandspurry
  Spergularia canadensis var. canadensis (Pers.) G. Don -- accepted -- Canadian sandspurry
  Spergularia purpurea (Pers.) G. Don f. -- accepted -- purple sandspurry, sandspurry
  Spergularia villosa (Pers.) Cambess. -- accepted -- hairy sandspurry
  Spiranthes sinensis (Pers.) Ames -- not accepted
  Stipa virginica Pers. -- not accepted
  Stuckenia filiformis (Pers.) Brner -- accepted -- fineleaf pondweed
  Stuckenia filiformis ssp. filiformis (Pers.) Brner -- accepted -- fineleaf pondweed
  Sturmia verna Pers. -- not accepted
  Suaeda americana (Pers.) Fernald -- not accepted
  Suaeda maritima var. americana (Pers.) B. Boivin -- not accepted
  Syntherisma humifusum (Pers.) Rydb. -- not accepted
  Syzygiella (Roivainenia) (Perss.) K. Feldberg, Vna, Hentschel & Heinrichs -- accepted
  Tagetes bonariensis Pers. -- not accepted
  Tamonea curassavica (L.) Pers. -- accepted
  Telaranea azorica (H. Buch & Perss.) Pcs ex Schumacker & Vna -- accepted
  Tephrosia Pers. -- accepted -- hoarypea
  Tephrosia cinerea (L.) Pers. -- accepted -- ashen hoarypea
  Tephrosia hispidula (Michx.) Pers. -- accepted -- sprawling hoarypea
  Tephrosia piscatoria (Aiton) Pers. -- not accepted
  Tephrosia purpurea (L.) Pers. -- accepted -- fishpoison
  Tephrosia purpurea auct. non (L.) Pers. -- not accepted -- fishpoison
  Tephrosia toxicaria (Sw.) Pers. -- not accepted
  Tephrosia villosa (L.) Pers. -- accepted
  Tephrosia villosa ssp. villosa (L.) Pers. -- accepted
  Tephrosia virginiana (L.) Pers. -- accepted -- Virginia tephrosia
  Tetrapteris citrifolia auct. non (Sw.) Pers. -- not accepted
  Tetrapteris citrifolium auct. non (Sw.) Pers. -- not accepted
  Tetrapterys citrifolia auct. non (Sw.) Pers. -- not accepted
  Thevetia peruviana (Pers.) K. Schum. -- accepted -- luckynut
  Thinopyrum pungens (Pers.) Barkworth -- accepted
  Thuarea Pers. -- accepted -- Kuroiwa grass
  Thunbergia volubilis Pers. -- not accepted
  Tiquilia Pers. -- accepted -- coldenia, crinklemat
  Tissa canadensis (Pers.) Britton -- not accepted
  Tithymalus cornutus (Pers.) Schweinf. ex Asch. -- not accepted
  Tithymalus dulcis ssp. ellipticus (Pers.) Sojk -- not accepted
  Tofieldia glutinosa (Michx.) Pers. -- not accepted -- sticky false asphodel, sticky tofieldia
  Tofieldia glutinosa ssp. glutinosa (Michx.) Pers. -- not accepted -- sticky tofieldia
  Tofieldia pusilla (Michx.) Pers. -- accepted -- Scotch false asphodel
  Trichophorum Pers. -- accepted -- bulrush, club-rush
  Trichophorum alpinum (L.) Pers. -- accepted -- alpine bulrush
  Trisetum Pers. -- accepted -- oatgrass, trisetum
  Trisetum pratense Pers. -- not accepted
  Trisetum villosum Pers. -- not accepted
  Triticum pungens Pers. -- not accepted
  Triticum repens var. pungens (Pers.) Duby -- not accepted
  Typha domingensis Pers. -- accepted -- southern cattail
  Ulmus chinensis Pers. -- not accepted
  Uncinia Pers. -- accepted -- birdcatching sedge
  Vernonia albicaulis Pers. -- not accepted -- Santa Maria
  Vernonia longifolia Persoon -- not accepted
  Vismia cayennensis (Jacq.) Pers. -- accepted
  Voyria aphylla (Jacq.) Pers. -- accepted -- leafless ghostplant
  Xolisma rubiginosa (Pers.) Small -- not accepted
  Zaluzania Pers. -- accepted
  Zamzela rugosa (Pers.) Raf. -- not accepted
  Zornia diphylla auct. non Pers. -- not accepted
 Kingdom Bacteria
  Arthrobacter polychromogenes Schippers-Lammertse et al., 1963 -- valid
  Microbacterium hydrocarbonoxydans Schippers et al., 2005 -- valid
  Microbacterium oleivorans Schippers et al., 2005 -- valid
  Nocardioides oleivorans Schippers et al., 2005 -- valid
  Nocardiopsis metallicus Schippers et al., 2002 -- valid
  Streptomyces ipomoeae (Person and Martin, 1940) Waksman and Henrici, 1948 -- valid

A gray bar