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Taxon author: C.L. Hitchc.

ITIS records citing taxon author "C.L. Hitchc."
 
 Kingdom Plantae
  Abronia umbellata var. acutalata (Standl.) C.L. Hitchc. -- accepted -- pink sand verbena
  Achnatherum swallenii (C.L. Hitchc. & Spellenb.) Barkworth -- accepted -- Swallen's needlegrass
  Aconitum columbianum var. howellii (A. Nelson & J.F. Macbr.) C.L. Hitchc. -- not accepted
  Agropyron caninum ssp. majus (Vasey) C.L. Hitchc. -- not accepted
  Agrostis exarata ssp. minor (Hook.) C.L. Hitchc. -- not accepted
  Alnus incana var. occidentalis (Dippel) C.L. Hitchc. -- not accepted
  Amelanchier alnifolia var. cusickii (Fernald) C.L. Hitchc. -- not accepted -- Cusick's serviceberry
  Amelanchier alnifolia var. humptulipensis (G.N. Jones) C.L. Hitchc. -- not accepted -- Saskatoon serviceberry
  Amelanchier alnifolia var. semiintegrifolia (Hook.) C.L. Hitchc. -- accepted -- Pacific serviceberry, Saskatoon serviceberry
  Anemone drummondii var. lithophila (Rydb.) C.L. Hitchc. -- accepted -- Little Belt Mountain thimbleweed
  Anemone multifida var. hirsuta C.L. Hitchc. -- not accepted -- Pacific anemone
  Anemone multifida var. tetonensis (Porter ex Britton) C.L. Hitchc. -- accepted -- Pacific anemone
  Anemone oregana var. felix (M. Peck) C.L. Hitchc. -- accepted -- bog anemone, Felix anemone
  Arenaria kingii var. uintahensis (A. Nelson) C.L. Hitchc. -- not accepted
  Arenaria nuttallii var. fragilis (Maguire & A.H. Holmgren) C.L. Hitchc. -- not accepted
  Arenaria stricta var. puberulenta (M. Peck) C.L. Hitchc. -- not accepted
  Astragalus howellii var. aberrans (M.E. Jones) C.L. Hitchc. -- not accepted
  Astragalus reventus var. oxytropidoides (M.E. Jones) C.L. Hitchc. -- not accepted
  Astragalus reventus var. sheldonii (Rydb.) C.L. Hitchc. -- not accepted
  Astragalus robbinsii var. alpiniformis (Rydb.) Barneby ex C.L. Hitchc. -- accepted -- Robbins milk-vetch, Robbins' milkvetch
  Astragalus spaldingii var. tyghensis (M. Peck) C.L. Hitchc. -- not accepted
  Atriplex canescens var. aptera (A. Nelson) C.L. Hitchc. -- not accepted
  Atriplex oatula var. zosterifolia (Hook.) C.L. Hitchc. -- not accepted
  Atriplex patula var. zosterifolia (Hook.) C.L. Hitchc. -- not accepted
  Betula glandulosa var. hallii (Howell) C.L. Hitchc. -- not accepted
  Betula occidentalis var. inopina (Jeps.) C.L. Hitchc. -- not accepted
  Bromopsis inermis var. pumpelliana (Scribn.) C.L. Hitchc. -- not accepted
  Bromus carinatus var. maritimus (Piper) C.L. Hitchc. -- not accepted
  Bromus inermis ssp. pumpellianus var. pumpellianus (Scribn.) C.L. Hitchc. -- not accepted -- Pumpelly's brome
  Bromus inermis var. pumpellianus C.L. Hitchc. -- not accepted -- Pumpelly's brome
  Bromus inermis var. tweedyi (Scribn. ex Beal) C.L. Hitchc. -- not accepted
  Calamagrostis canadensis var. imberbis (Stebbins) C.L. Hitchc. -- accepted -- bluejoint
  Calamagrostis canadensis var. lactea (Suksd. ex Beal) C.L. Hitchc. -- not accepted
  Caltha biflora var. rotundifolia (Huth) C.L. Hitchc. -- not accepted
  Caltha leptosepala ssp. leptosepala var. sulfurea C.L. Hitchc. -- not accepted -- sulphur marsh marigold
  Caltha leptosepala var. sulfurea C.L. Hitchc. -- not accepted -- sulphur marsh marigold
  Camassia leichtlinii var. suksdorfii (Greenm.) C.L. Hitchc. -- not accepted
  Camassia quamash var. azurea (A. Heller) C.L. Hitchc. -- not accepted
  Camassia quamash var. breviflora (Gould) C.L. Hitchc. -- not accepted
  Camassia quamash var. intermedia (Gould) C.L. Hitchc. -- not accepted
  Camassia quamash var. utahensis (Gould) C.L. Hitchc. -- not accepted
  Cardamine breweri var. leibergii (Holz.) C.L. Hitchc. -- not accepted -- Leiberg's bittercress
  Cardamine integrifolia var. sinuata (Greene) C.L. Hitchc. -- not accepted
  Cardamine pulcherrima var. tenella (Pursh) C.L. Hitchc. -- not accepted
  Cardamine rupicola (O.E. Schulz) C.L. Hitchc. -- accepted -- cliff bittercress
  Cassiope mertensiana var. gracilis (Piper) C.L. Hitchc. -- accepted -- western moss heather
  Cassiope tetragona var. saximontana (Small) C.L. Hitchc. -- accepted -- white arctic mountain heather
  Chamaerhodos erecta var. parviflora (Nutt.) C.L. Hitchc. -- not accepted
  Chorizanthe brevicornu var. spathulata (Small ex Rydb.) C.L. Hitchc. -- accepted -- brittle spineflower
  Clarkia amoena var. caurina (Abrams ex Piper) C.L. Hitchc. -- not accepted
  Clarkia amoena var. lindleyi (Douglas) C.L. Hitchc. -- not accepted
  Clarkia amoena var. pacifica (M. Peck) C.L. Hitchc. -- not accepted
  Clarkia gracilis ssp. sonomensis (C.L. Hitchc.) F.H. Lewis & M.E. Lewis -- accepted -- Sonoma clarkia
  Claytonia lanceolata var. chrysantha (Greene) C.L. Hitchc. -- not accepted -- lanceleaf springbeauty
  Claytonia lanceolata var. flava (A. Nelson) C.L. Hitchc. -- not accepted -- lanceleaf springbeauty
  Claytonia lanceolata var. multiscapa (Rydb.) C.L. Hitchc. -- not accepted -- lanceleaf springbeauty
  Claytonia megarhiza var. bellidiflora (Rydb.) C.L. Hitchc. -- not accepted
  Claytonia megarhiza var. bellidifolia (Rydb.) C.L. Hitchc. -- not accepted -- alpine springbeauty
  Claytonia megarhiza var. nivalis (English) C.L. Hitchc. -- not accepted -- alpine springbeauty
  Clematis columbiana var. dissecta C.L. Hitchc. -- not accepted
  Clematis occidentalis var. dissecta (C.L. Hitchc.) J.S. Pringle -- accepted -- western blue virginsbower
  Comandra umbellata var. californica (Eastw. ex Rydb.) C.L. Hitchc. -- not accepted
  Cornus stolonifera var. occidentalis (Torr. & A. Gray) C.L. Hitchc. -- not accepted
  Corydalis caseana var. cusickii (S. Watson) C.L. Hitchc. -- not accepted
  Corydalis caseana var. hastata (Rydb.) C.L. Hitchc. -- not accepted
  Delphinium menziesii var. pyramidale (Ewan) C.L. Hitchc. -- not accepted
  Delphinium multiplex (Ewan) C.L. Hitchc. -- accepted -- Kittitas larkspur
  Delphinium nuttallianum var. fulvum C.L. Hitchc. -- not accepted -- yellow larkspur
  Delphinium nuttallianum var. levicaule C.L. Hitchc. -- not accepted
  Delphinium nuttallianum var. lineapetalum (Ewan) C.L. Hitchc. -- not accepted -- Nuttal's larkspur
  Delphinium nuttallianum var. pilosa C.L. Hitchc. -- not accepted
  Descurainia pinnata var. intermedia (Rydb.) C.L. Hitchc. -- not accepted
  Descurainia richardsonii var. sonnei (B.L. Rob.) C.L. Hitchc. -- not accepted
  Distichlis stricta var. dentata (Rydb.) C.L. Hitchc. -- not accepted
  Dodecatheon pauciflorum var. alaskanum (HultÚn) C.L. Hitchc. -- not accepted
  Dodecatheon pauciflorum var. watsonii (Tidestr.) C.L. Hitchc. -- not accepted
  Dodecatheon pulchellum var. watsonii (Tidestr.) C.L. Hitchc. -- not accepted
  Draba apiculata C.L. Hitchc. -- not accepted
  Draba apiculata var. daviesiae C.L. Hitchc. -- not accepted
  Draba arida C.L. Hitchc. -- accepted -- desert draba
  Draba asprella var. kaibabensis C.L. Hitchc. -- not accepted -- Kaibab draba, Kaibab whitlowgrass
  Draba asprella var. typica C.L. Hitchc. -- not accepted
  Draba asprella var. zionensis (C.L. Hitchc.) S.L. Welsh & Reveal -- not accepted -- Zion draba, Zion whitlowgrass
  Draba asterophora var. macrocarpa C.L. Hitchc. -- not accepted -- Cup Lake draba, Lake Tahoe draba
  Draba aurea var. leiocarpa (Payson & H. St. John) C.L. Hitchc. -- not accepted
  Draba bifurcata (C.L. Hitchc.) Al-Shehbaz & Windham -- accepted -- Heller's draba
  Draba burkei (C.L. Hitchc.) Windham & Beilstein -- accepted -- snowbasin draba
  Draba crassifolia var. nevadensis C.L. Hitchc. -- not accepted -- dolomite draba
  Draba crassifolia var. typica C.L. Hitchc. -- not accepted
  Draba cruciata var. integrifolia C.L. Hitchc. & Sharsm. -- not accepted
  Draba cuneifolia var. typica C.L. Hitchc. -- not accepted
  Draba daviesiae (C.L. Hitchc.) Rollins -- accepted -- bitter root draba
  Draba densifolia var. apiculata (C.L. Hitchc.) S.L. Welsh -- not accepted
  Draba densifolia var. daviesiae (C.L. Hitchc.) S.L. Welsh & Reveal -- not accepted
  Draba douglasii var. crockeri (Lemmon) C.L. Hitchc. -- not accepted
  Draba exunguiculata (O.E. Schulz) C.L. Hitchc. -- accepted -- clawless draba, Garys Peak draba
  Draba grayana (Rydb.) C.L. Hitchc. -- accepted -- Gray's draba
  Draba helleriana var. bifurcata C.L. Hitchc. -- not accepted -- Heller's draba, Heller's whitlowgrass
  Draba helleriana var. blumeri C.L. Hitchc. -- not accepted -- Blumer whitlowgrass, Blumer's draba, Blumer's whitlowgrass
  Draba howellii var. carnosula (O.E. Schulz) C.L. Hitchc. -- not accepted
  Draba lonchocarpa var. thompsonii (C.L. Hitchc.) Rollins -- not accepted -- Thompson's draba
  Draba maguirei C.L. Hitchc. -- accepted -- Maguire's draba
  Draba maguirei var. burkei C.L. Hitchc. -- not accepted -- Burke's draba
  Draba maguirei var. maguirei C.L. Hitchc. -- not accepted -- Maguire's draba
  Draba nivalis var. denudata (O.E. Schulz) C.L. Hitchc. -- not accepted
  Draba nivalis var. exigua (O.E. Schulz) C.L. Hitchc. -- not accepted
  Draba nivalis var. thompsonii C.L. Hitchc. -- not accepted
  Draba oligosperma var. pectinipila (Rollins) C.L. Hitchc. -- not accepted
  Draba pancifructa Clokey & C.L. Hitchc. -- not accepted
  Draba paucifructa Clokey & C.L. Hitchc. -- accepted -- Charleston draba, Charleston Mountain draba
  Draba paysonii var. treleasii (O.E. Schulz) C.L. Hitchc. -- not accepted -- Trelease's draba
  Draba petrophila var. viridis (A. Heller) C.L. Hitchc. -- not accepted -- Santa Rita Mountain draba, Santa Rita whitlowgrass
  Draba rectifructa C.L. Hitchc. -- accepted -- mountain draba, mountain whitlowgrass
  Draba reptans var. stellifera (O.E. Schulz) C.L. Hitchc. -- not accepted
  Draba reptans var. typica C.L. Hitchc. -- not accepted
  Draba spectabilis var. dasycarpa (O.E. Schulz) C.L. Hitchc. -- not accepted
  Draba spectabilis var. typica C.L. Hitchc. -- not accepted
  Draba sphaeroides var. cusickii (B.L. Rob. ex O.E. Schulz) C.L. Hitchc. -- not accepted
  Draba stenoloba var. nana (O.E. Schulz) C.L. Hitchc. -- not accepted
  Draba stenoloba var. ramosa C.L. Hitchc. -- not accepted -- Alaska draba
  Draba subalpina Goodman & C.L. Hitchc. -- accepted -- subalpine draba
  Draba ventosa var. ruaxes (Payson & H. St. John) C.L. Hitchc. -- not accepted
  Draba zionensis C.L. Hitchc. -- accepted -- Zion draba
  Dryas octopetala ssp. octopetala var. angustifolia C.L. Hitchc. -- not accepted -- eightpetal mountain-avens
  Dryas octopetala var. angustifolia C.L. Hitchc. -- not accepted -- eightpetal mountain-avens
  Drymocallis campanulata (C.L. Hitchc.) Ertter -- accepted -- John Day drymocallis
  Elmera racemosa var. puberulenta C.L. Hitchc. -- not accepted -- yellow coralbells
  Elymus ambiguus var. salina (M.E. Jones) C.L. Hitchc. -- not accepted
  Elymus ambiguus var. salinus (M.E. Jones) C.L. Hitchc. -- not accepted
  Elymus ambiguus var. salmonis C.L. Hitchc. -- not accepted
  Elymus cinereus var. pubens (Piper) C.L. Hitchc. -- not accepted
  Epilobium alpinum var. albiflorum (Suksd.) C.L. Hitchc. -- not accepted
  Epilobium alpinum var. clavatum (Trel.) C.L. Hitchc. -- not accepted
  Epilobium alpinum var. gracillimum (Trel.) C.L. Hitchc. -- not accepted
  Epilobium alpinum var. lactiflorum (Hausskn.) C.L. Hitchc. -- not accepted
  Epilobium glandulosum var. macounii (Trel.) C.L. Hitchc. -- not accepted
  Epilobium glandulosum var. tenue (Trel.) C.L. Hitchc. -- not accepted
  Epilobium watsonii var. occidentale (Trel.) C.L. Hitchc. -- not accepted
  Epilobium watsonii var. parishii (Trel.) C.L. Hitchc. -- not accepted
  Eriogonum deflexum var. multipedunculatum (S. Stokes) C.L. Hitchc. -- not accepted
  Eriogonum douglasii var. tenue (Small) C.L. Hitchc. -- not accepted
  Eriogonum ovalifolium var. orthocaulon (Small) C.L. Hitchc. -- not accepted
  Eriogonum strictum ssp. proliferum var. glabrum C.L. Hitchc. -- not accepted -- Blue Mountain buckwheat
  Eriogonum strictum ssp. proliferum var. proliferum (Torr. & A. Gray) C.L. Hitchc. -- not accepted -- Blue Mountain buckwheat
  Eriogonum strictum var. flavissimum (Gand.) C.L. Hitchc. -- not accepted
  Eriogonum strictum var. glabrum C.L. Hitchc. -- not accepted -- Blue Mountain buckwheat
  Eriogonum strictum var. proliferum (Torr. & A. Gray) C.L. Hitchc. -- accepted -- Blue Mountain buckwheat
  Eriogonum umbellatum var. aridum (Greene) C.L. Hitchc. -- not accepted
  Eriogonum umbellatum var. hypoleium (Piper) C.L. Hitchc. -- accepted -- sulphur-flower buckwheat
  Erysimum arenicola var. torulosum (Piper) C.L. Hitchc. -- not accepted -- cascade wallflower
  Erythronium grandiflorum var. nudipetalum (Applegate) C.L. Hitchc. -- not accepted
  Festuca idahoensis var. oregona (Hack. ex Beal) C.L. Hitchc. -- not accepted
  Fragaria vesca var. crinita (Rydb.) C.L. Hitchc. -- not accepted
  Frasera albicaulis var. columbiana (H. St. John) C.L. Hitchc. -- accepted -- whitestem frasera
  Frasera albicaulis var. cusickii (A. Gray) C.L. Hitchc. -- accepted -- Cusick's frasera
  Frasera albicaulis var. idahoensis (H. St. John) C.L. Hitchc. -- accepted -- Idaho frasera
  Frasera albicaulis var. nitida (Benth.) C.L. Hitchc. -- accepted -- whitestem frasera
  Gentiana calycosa var. asepala (Maguire) C.L. Hitchc. -- not accepted
  Gentiana calycosa var. obtusiloba (Rydb.) C.L. Hitchc. -- not accepted
  Gentiana detonsa var. unicaulis (A. Nelson) C.L. Hitchc. -- not accepted
  Geranium viscosissimum var. nervosum (Rydb.) C.L. Hitchc. -- not accepted -- sticky purple geranium
  Geum rossii var. depressum (Greene) C.L. Hitchc. -- not accepted -- Ross' avens
  Geum rossii var. turbinatum (Rydb.) C.L. Hitchc. -- not accepted -- Ross' avens
  Geum triflorum var. campanulatum (Greene) C.L. Hitchc. -- not accepted -- old man's whiskers
  Glossopetalon nevadense var. stipuliferum (H. St. John) C.L. Hitchc. -- not accepted
  Godetia amoena var. gracilis C.L. Hitchc. -- not accepted
  Godetia amoena var. sonomensis C.L. Hitchc. -- not accepted
  Godetia bottae var. deflexa (Jeps.) C.L. Hitchc. -- not accepted
  Godetia cylindrica (Jeps.) C.L. Hitchc. -- not accepted
  Godetia parviflora var. luteola C.L. Hitchc. -- not accepted
  Godetia parviflora var. margaritiae C.L. Hitchc. -- not accepted
  Godetia purpurea var. parviflora (S. Watson) C.L. Hitchc. -- not accepted
  Halimolobos perplexa var. lemhiensis C.L. Hitchc. -- not accepted -- Lemhi halimolobos
  Halimolobos perplexus var. lemhiensis C.L. Hitchc. -- not accepted -- Lemhi halimolobos
  Hedysarum boreale var. mackenziei (Richardson) C.L. Hitchc. -- not accepted
  Heuchera grossulariifolia var. tenuifolia (Wheelock) C.L. Hitchc. -- not accepted -- gooseberryleaf alumroot
  Holodiscus dumosus var. glabrescens (Greenm.) C.L. Hitchc. -- not accepted
  Hypericum formosum ssp. scouleri (Hook.) C.L. Hitchc. -- not accepted
  Hypericum formosum var. nortoniae (M.E. Jones) C.L. Hitchc. -- not accepted
  Juncus covillei var. obtusatus C.L. Hitchc. -- accepted -- Coville's rush
  Juncus drummondii var. subtriflorus (E. Mey.) C.L. Hitchc. -- not accepted -- threeflower rush
  Juncus ensifolius var. montanus (Engelm.) C.L. Hitchc. -- not accepted -- Rocky Mountain rush
  Juncus nevadensis var. badius (Suksd.) C.L. Hitchc. -- not accepted -- Nevada rush, Sierra rush, Sierran rush
  Juncus nevadensis var. inventus (L.F. Hend.) C.L. Hitchc. -- not accepted -- Sierra rush
  Lathyrus brachycalyx ssp. zionis (C.L. Hitchc.) S.L. Welsh -- not accepted -- bush pea, bush peavine
  Lathyrus brachycalyx var. zionis (C.L. Hitchc.) S.L. Welsh -- accepted -- bush pea
  Lathyrus delnorticus C.L. Hitchc. -- accepted -- Del Norte pea
  Lathyrus holochlorus (Piper) C.L. Hitchc. -- accepted -- thinleaf pea
  Lathyrus jepsonii ssp. californicus (S. Watson) C.L. Hitchc. -- not accepted -- California pea
  Lathyrus laetiflorus ssp. barbarae (T.G. White) C.L. Hitchc. -- not accepted
  Lathyrus laetiflorus ssp. glaber C.L. Hitchc. -- not accepted
  Lathyrus leucanthus var. laetivirens (Greene ex Rydb.) C.L. Hitchc. -- not accepted
  Lathyrus nevadensis ssp. cusickii (S. Watson) C.L. Hitchc. -- not accepted -- Sierra pea
  Lathyrus nevadensis ssp. lanceolatus (Howell) C.L. Hitchc. -- not accepted -- Sierra pea
  Lathyrus nevadensis ssp. lanceolatus var. lanceolatus (Howell) C.L. Hitchc. -- not accepted
  Lathyrus nevadensis ssp. lanceolatus var. nuttallii (S. Watson) C.L. Hitchc. -- not accepted -- Sierra pea
  Lathyrus nevadensis ssp. lanceolatus var. parkeri (H. St. John) C.L. Hitchc. -- not accepted -- Sierra pea
  Lathyrus nevadensis ssp. lanceolatus var. pilosellus (M. Peck) C.L. Hitchc. -- not accepted -- Sierra pea
  Lathyrus nevadensis ssp. lanceolatus var. puniceus C.L. Hitchc. -- not accepted -- Sierra pea
  Lathyrus nevadensis var. nuttallii (S. Watson) C.L. Hitchc. -- not accepted -- Sierra pea
  Lathyrus nevadensis var. parkeri (H. St. John) C.L. Hitchc. -- accepted -- Sierra pea
  Lathyrus nevadensis var. pilosellus (M. Peck) C.L. Hitchc. -- not accepted -- Sierra pea
  Lathyrus nevadensis var. puniceus C.L. Hitchc. -- not accepted -- Sierra pea
  Lathyrus polymorphus ssp. incanus (J.G. Sm. & Rydb.) C.L. Hitchc. -- not accepted -- hoary pea, hoary vetchling
  Lathyrus polymorphus ssp. polymorphus var. hapemanii (A. Nelson) C.L. Hitchc. -- not accepted -- manystem pea
  Lathyrus polymorphus var. hapemanii (A. Nelson) C.L. Hitchc. -- not accepted -- manystem pea
  Lathyrus venosus ssp. arkansanus (Fassett) C.L. Hitchc. -- not accepted
  Lathyrus vestitus ssp. bolanderi (S. Watson) C.L. Hitchc. -- not accepted -- Bolander's pea
  Lathyrus vestitus ssp. ochropetalus (Piper) C.L. Hitchc. -- not accepted
  Lathyrus vestitus ssp. puberulus (T.G. White ex Greene) C.L. Hitchc. -- not accepted
  Lathyrus vestitus var. puperulus (T.G. White ex Greene) C.L. Hitchc. -- not accepted
  Lathyrus zionis C.L. Hitchc. -- not accepted
  Ledum glandulosum ssp. australe C.L. Hitchc. -- not accepted
  Ledum glandulosum ssp. columbianum (Piper) C.L. Hitchc. -- not accepted
  Ledum glandulosum ssp. olivaceum C.L. Hitchc. -- not accepted
  Ledum glandulosum var. californicum (Kellogg) C.L. Hitchc. -- not accepted
  Ledum glandulosum var. columbianum (Piper) C.L. Hitchc. -- not accepted
  Lepidium alyssoides var. angustifolium (C.L. Hitchc.) Rollins -- not accepted -- mesa pepperwort, mountain pepperweed
  Lepidium campestre var. heterophyllum (S. Watson) C.L. Hitchc. -- not accepted
  Lepidium campestre var. integrifolium (Nutt.) C.L. Hitchc. -- not accepted
  Lepidium densiflorum var. bourgeauanum (Thell.) C.L. Hitchc. -- not accepted
  Lepidium flavum var. felipense C.L. Hitchc. -- not accepted -- Borrego Valley peppergrass, yellow pepperweed
  Lepidium lasiocarpum var. cinereum (C.L. Hitchc.) C.L. Hitchc. -- not accepted
  Lepidium lasiocarpum var. georginum (Rydb.) C.L. Hitchc. -- not accepted
  Lepidium lasiocarpum var. orbiculare (Thell.) C.L. Hitchc. -- not accepted
  Lepidium lasiocarpum var. rotundum C.L. Hitchc. -- not accepted
  Lepidium lasiocarpum var. typicum C.L. Hitchc. -- not accepted
  Lepidium lasiocarpum var. wrightii (A. Gray) C.L. Hitchc. -- not accepted -- Wright's pepperweed
  Lepidium montanum ssp. alyssoides (A. Gray) C.L. Hitchc. -- not accepted
  Lepidium montanum ssp. canescens (Thell.) C.L. Hitchc. -- not accepted
  Lepidium montanum ssp. cinereum (C.L. Hitchc.) C.L. Hitchc. -- not accepted
  Lepidium montanum ssp. davisii (Rollins) C.L. Hitchc. -- not accepted
  Lepidium montanum ssp. demissum C.L. Hitchc. -- not accepted
  Lepidium montanum var. angustifolium C.L. Hitchc. -- not accepted
  Lepidium montanum var. canescens (Thell.) C.L. Hitchc. -- not accepted -- gray pepperweed, mountain pepperweed
  Lepidium montanum var. cinereum (C.L. Hitchc.) Rollins -- not accepted -- mountain pepperweed
  Lepidium montanum var. eastwoodiae (Wooton) C.L. Hitchc. -- not accepted
  Lepidium montanum var. glabrum C.L. Hitchc. -- not accepted -- mountain pepperweed, smooth pepperweed
  Lepidium montanum var. heterophyllum (S. Watson) C.L. Hitchc. -- not accepted
  Lepidium montanum var. integrifolium (Nutt.) C.L. Hitchc. -- not accepted
  Lepidium montanum var. jonesii (Rydb.) C.L. Hitchc. -- not accepted -- Jones pepperweed, Jones' pepperweed
  Lepidium montanum var. spathulatum (B.L. Rob.) C.L. Hitchc. -- not accepted
  Lepidium montanum var. spatulatum (B.L. Rob.) C.L. Hitchc. -- not accepted
  Lepidium montanum var. tenellum (L.O. Williams) C.L. Hitchc. -- not accepted -- mountain pepperweed
  Lepidium montanum var. wyomingense (C.L. Hitchc.) C.L. Hitchc. -- not accepted -- mountain pepperweed
  Lepidium nitidum var. howellii C.L. Hitchc. -- not accepted -- Howell's pepperweed
  Lepidium nitidum var. oreganum (Howell ex Greene) C.L. Hitchc. -- not accepted -- shining pepperweed
  Lepidium oblongum var. insulare C.L. Hitchc. -- not accepted -- veiny pepperweed
  Lepidium pinnatisectum (O.E. Schulz) C.L. Hitchc. -- accepted -- tansy pepperweed
  Lepidium virginicum var. medium (Greene) C.L. Hitchc. -- not accepted -- intermediate pepperweed, medium pepperweed
  Lepidium virginicum var. menziesii (DC.) C.L. Hitchc. -- not accepted -- Menzies' pepperweed
  Lepidium virginicum var. robinsonii (Thell.) C.L. Hitchc. -- not accepted -- Robinson's pepperweed
  Lepidium virginicum var. typicum C.L. Hitchc. -- not accepted
  Lesquerella alpina var. condensata (A. Nelson) C.L. Hitchc. -- not accepted
  Lesquerella alpina var. laevis (Payson) C.L. Hitchc. -- not accepted
  Lesquerella kingii var. sherwoodii (M. Peck) C.L. Hitchc. -- not accepted
  Lesquerella occidentalis var. cusickii (M.E. Jones) C.L. Hitchc. -- not accepted
  Lesquerella occidentalis var. diversifolia (Greene) C.L. Hitchc. -- not accepted
  Lewisia columbiana ssp. wallowensis (C.L. Hitchc.) J.E. Hohn ex B. Mathew -- not accepted
  Lewisia columbiana var. rupicola (English) C.L. Hitchc. -- accepted -- Columbian lewisia
  Lewisia columbiana var. wallowensis C.L. Hitchc. -- accepted -- Wallowa lewisia
  Leymus salina ssp. salmonis (C.L. Hitchc.) R.J. Atkins -- accepted
  Leymus salinus ssp. salmonis (C.L. Hitchc.) R.J. Atkins -- not accepted -- saline wildrye, Salmon wildrye
  Lithophragma tenellum var. thompsonii (Hoover) C.L. Hitchc. -- not accepted
  Lotus crassifolius var. subglaber (Ottley) C.L. Hitchc. -- not accepted
  Lupinus argenteus var. depressus (Rydb.) C.L. Hitchc. -- not accepted
  Lupinus argenteus var. parviflorus (Nutt. ex Hook. & Arn.) C.L. Hitchc. -- not accepted
  Lupinus latifolius var. thompsonianus (C.P. Sm.) C.L. Hitchc. -- not accepted
  Lupinus lepidus var. cusickii (S. Watson) C.L. Hitchc. -- not accepted
  Lupinus lepidus var. lobbii (A. Gray ex S. Watson) C.L. Hitchc. -- not accepted
  Lupinus lepidus var. utahensis (S. Watson) C.L. Hitchc. -- not accepted
  Lupinus polyphyllus var. burkei (S. Watson) C.L. Hitchc. -- not accepted
  Lupinus sericeus var. asotinensis (L.Ll. Phillips) C.L. Hitchc. -- not accepted
  Lupinus sericeus var. fikeranus (C.P. Sm.) C.L. Hitchc. -- not accepted
  Lupinus sulphureus var. kincaidii (C.P. Sm.) C.L. Hitchc. -- not accepted
  Lupinus sulphureus var. subsaccatus (Suksd.) C.L. Hitchc. -- not accepted
  Lychnis apetala var. attenuata (Farr) C.L. Hitchc. -- not accepted
  Lychnis apetala var. montana (S. Watson) C.L. Hitchc. -- not accepted
  Lycium andersonii var. deserticola (C.L. Hitchc.) C.L. Hitchc. ex Munz -- accepted -- desert Anderson wolfberry, water jacket
  Lycium berlandieri var. brevilobum C.L. Hitchc. -- not accepted
  Lycium berlandieri var. longistylum C.L. Hitchc. -- accepted -- Berlandier wolfberry, Berlandier's wolfberry
  Lycium brevipes var. hassei (Greene) C.L. Hitchc. -- not accepted
  Lycium carolinianum var. quadrifidum (Dunal) C.L. Hitchc. -- accepted -- Carolina desert-thorn, largeflower wolfberry
  Lycium carolinianum var. sandwicense (A. Gray) C.L. Hitchc. -- not accepted
  Lycium pallidum var. oligospermum C.L. Hitchc. -- accepted -- rabbit thorn, rabbitthorn
  Lycium tweedianum var. chrysocarpum (Urb. & Ekman) C.L. Hitchc. -- not accepted -- tropical desert-thorn
  Melica subulata var. pammelii (Scribn.) C.L. Hitchc. -- accepted -- Pammel's oniongrass
  Mentzelia laevicaulis var. parviflora (Douglas ex Hook.) C.L. Hitchc. -- accepted -- smoothstem blazingstar
  Montia parvifolia var. flagellaris (Bong.) C.L. Hitchc. -- not accepted
  Nama carnosa (Wooton) C.L. Hitchc. -- accepted -- sand fiddleleaf
  Nama carnosum (Wooton) C.L. Hitchc. -- not accepted -- sand fiddleleaf
  Nama densa var. parviflora (Greenm.) C.L. Hitchc. -- accepted -- leafy fiddleleaf
  Nama densum var. parviflorum (Greenm.) C.L. Hitchc. -- not accepted -- leafy fiddleleaf
  Nama hispidum var. spathulatum (Torr.) C.L. Hitchc. -- not accepted
  Nama serpylloides var. velutinum C.L. Hitchc. -- not accepted
  Nama stevensi C.L. Hitchc. -- not accepted
  Nama stevensii C.L. Hitchc. -- accepted -- Stevens' fiddleleaf, Stevens' nama
  Nama xylopoda C.L. Hitchc. -- accepted -- yellowseed fiddleleaf
  Nama xylopodum (Wooton & Standl.) C.L. Hitchc. -- not accepted -- yellowseed fiddleleaf
  Oryzopsis swallenii C.L. Hitchc. & Spellenb. -- not accepted
  Parnassia fimbriata var. hoodiana C.L. Hitchc. -- not accepted -- fringed grass of Parnassus
  Parnassia fimbriata var. intermedia (Rydb.) C.L. Hitchc. -- not accepted -- fringed grass of Parnassus, intermediate parnassia
  Parnassia kotzebuei var. pumila C.L. Hitchc. & Ownbey -- not accepted -- Kotzebue's grass-of-parnassus
  Parnassia palustris var. montanensis (Fernald & Rydb. ex Rydb.) C.L. Hitchc. -- not accepted -- mountain grass of Parnassus, northern grass-of-Parnassus
  Philadelphus crinitus (C.L. Hitchc.) S.Y. Hu -- not accepted -- hairy mock orange, Trans-Pecos mock orange, Trans-Pecos mockorange
  Philadelphus maculatus (C.L. Hitchc.) S.Y. Hu -- accepted -- spotted mock orange
  Philadelphus microphyllus ssp. argenteus (Rydb.) C.L. Hitchc. -- not accepted
  Philadelphus microphyllus ssp. argyrocalyx (Wooton) C.L. Hitchc. -- not accepted
  Philadelphus microphyllus ssp. occidentalis (A. Nelson) C.L. Hitchc. -- not accepted
  Philadelphus microphyllus ssp. pumilus (Rydb.) C.L. Hitchc. -- not accepted
  Philadelphus microphyllus ssp. stramineus (Rydb.) C.L. Hitchc. -- not accepted
  Philadelphus microphyllus ssp. typicus C.L. Hitchc. -- not accepted
  Physaria didymocarpa ssp. lyrata (C.L. Hitchc.) O'Kane -- accepted -- Idaho twinpod
  Physaria didymocarpa var. lyrata C.L. Hitchc. -- not accepted -- Idaho twinpod
  Poa cusickii var. epilis (Scribn.) C.L. Hitchc. -- not accepted
  Poa cusickii var. purpurascens (Vasey) C.L. Hitchc. -- not accepted
  Poa gracillima var. multnomae (Piper) C.L. Hitchc. -- not accepted
  Poa leptocoma var. paucispicula (Scribn. & Merr.) C.L. Hitchc. -- not accepted
  Poa nervosa var. wheeleri (Vasey) C.L. Hitchc. -- not accepted
  Potentilla concinna var. macounii (Rydb.) C.L. Hitchc. -- not accepted
  Potentilla concinna var. rubripes (Rydb.) C.L. Hitchc. -- not accepted
  Potentilla diversifolia var. perdissecta (Rydb.) C.L. Hitchc. -- not accepted -- mountain-meadow cinquefoil, mountainmeadow cinquefoil
  Potentilla glandulosa var. campanulata C.L. Hitchc. -- not accepted
  Potentilla glandulosa var. intermedia (Rydb.) C.L. Hitchc. -- not accepted
  Potentilla gracilis var. brunnescens (Rydb.) C.L. Hitchc. -- not accepted -- sagebrush cinquefoil, slender cinquefoil
  Potentilla gracilis var. glabrata (Lehm.) C.L. Hitchc. -- not accepted
  Potentilla gracilis var. permollis (Rydb.) C.L. Hitchc. -- not accepted
  Potentilla villosa var. parviflora C.L. Hitchc. -- not accepted
  Puccinellia pauciflora var. holmii (Beal) C.L. Hitchc. -- not accepted
  Puccinellia pauciflora var. microtheca (Buckley) C.L. Hitchc. -- not accepted
  Ranunculus eschscholtzii var. adoneus (A. Gray) C.L. Hitchc. -- not accepted
  Ranunculus eschscholtzii var. alpinus (S. Watson) C.L. Hitchc. -- not accepted
  Ribes cereum var. colubrinum C.L. Hitchc. -- accepted -- wax currant
  Ribes cereum var. inebrians (Lindl.) C.L. Hitchc. -- not accepted
  Ribes hendersonii C.L. Hitchc. -- not accepted
  Ribes oxyacanthoides ssp. hendersonii (C.L. Hitchc.) Sinnott -- not accepted -- Henderson's currant, Henderson's gooseberry
  Ribes oxyacanthoides var. hendersonii (C.L. Hitchc.) P.K. Holmgren -- accepted -- Henderson's currant
  Ribes velutinum var. gooddingii (M. Peck) C.L. Hitchc. -- not accepted -- Gooding's gooseberry
  Rorippa curvisiliqua var. lyrata (Nutt.) M. Peck ex C.L. Hitchc. -- not accepted -- lyrateleaf yellowcress
  Rumex salicifolius var. mexicanus (Meisn.) C.L. Hitchc. -- not accepted -- Mexican dock, trianglevalve dock, willow dock
  Saxifraga caespitosa var. subgemmifera (Engl. & Irmsch.) C.L. Hitchc. -- not accepted
  Saxifraga cespitosa var. subgemmifera (Engl. & Irmsch.) C.L. Hitchc. -- not accepted
  Saxifraga integrifolia var. columbiana (Piper) C.L. Hitchc. -- not accepted
  Saxifraga occidentalis var. allenii (Small) C.L. Hitchc. -- not accepted
  Saxifraga occidentalis var. dentata (Engl. & Irmsch.) C.L. Hitchc. -- not accepted
  Saxifraga occidentalis var. idahoensis (Piper) C.L. Hitchc. -- not accepted
  Saxifraga occidentalis var. latipetiolata C.L. Hitchc. -- not accepted
  Saxifraga occidentalis var. rufidula (Small) C.L. Hitchc. -- not accepted
  Saxifraga oregana var. montanensis (Small) C.L. Hitchc. -- not accepted
  Saxifraga oregana var. subpetala (E.E. Nelson) C.L. Hitchc. -- not accepted
  Saxifraga punctata var. cascadensis (Calder & Savile) C.L. Hitchc. -- not accepted
  Sidalcea candida var. glabrata C.L. Hitchc. -- not accepted -- white checkerbloom, white checkermallow
  Sidalcea cusickii ssp. purpurea C.L. Hitchc. -- not accepted
  Sidalcea hickmanii ssp. anomala C.L. Hitchc. -- accepted -- Cuesta Pass checker, Cuesta Pass sidalcea
  Sidalcea hickmanii ssp. parishii (B.L. Rob.) C.L. Hitchc. -- accepted -- Parish's checkerbloom
  Sidalcea hickmanii ssp. viridis C.L. Hitchc. -- accepted -- Marin checkerbloom, Marin checkermallow
  Sidalcea hickmannii var. anomala C.L. Hitchc. -- not accepted
  Sidalcea hickmannii var. parishii (B.L. Rob.) C.L. Hitchc. -- not accepted
  Sidalcea hickmannii var. viridis C.L. Hitchc. -- not accepted
  Sidalcea hirtipes C.L. Hitchc. -- accepted -- bristlystem checkerbloom
  Sidalcea malvaeflora ssp. patula C.L. Hitchc. -- not accepted
  Sidalcea malviflora ssp. asprella (Greene) C.L. Hitchc. -- not accepted -- dwarf checkerbloom
  Sidalcea malviflora ssp. californica (Nutt. ex Torr. & A. Gray) C.L. Hitchc. -- accepted -- California checkerbloom
  Sidalcea malviflora ssp. celata (Jeps.) C.L. Hitchc. -- not accepted -- dwarf checkerbloom
  Sidalcea malviflora ssp. dolosa C.L. Hitchc. -- accepted -- dwarf checkerbloom
  Sidalcea malviflora ssp. elegans (Greene) C.L. Hitchc. -- not accepted -- dwarf checkerbloom
  Sidalcea malviflora ssp. laciniata C.L. Hitchc. -- accepted -- dwarf checkerbloom
  Sidalcea malviflora ssp. laciniata var. laciniata C.L. Hitchc. -- not accepted -- dwarf checkerbloom
  Sidalcea malviflora ssp. laciniata var. sancta C.L. Hitchc. -- not accepted -- dwarf checkerbloom
  Sidalcea malviflora ssp. nana (Jeps.) C.L. Hitchc. -- not accepted -- dwarf checkerbloom
  Sidalcea malviflora ssp. patula C.L. Hitchc. -- accepted -- Siskiyou checkerbloom
  Sidalcea malviflora ssp. purpurea C.L. Hitchc. -- accepted -- dwarf checkerbloom
  Sidalcea malviflora ssp. sparsifolia C.L. Hitchc. -- not accepted -- dwarf checkerbloom
  Sidalcea malviflora ssp. sparsifolia var. hirsuta C.L. Hitchc. -- not accepted -- dwarf checkerbloom
  Sidalcea malviflora ssp. sparsifolia var. sparsifolia C.L. Hitchc. -- not accepted -- dwarf checkerbloom
  Sidalcea malviflora ssp. sparsifolia var. stellata C.L. Hitchc. -- not accepted -- dwarf checkerbloom
  Sidalcea malviflora ssp. sparsifolia var. uliginosa C.L. Hitchc. -- not accepted -- dwarf checkerbloom
  Sidalcea malviflora ssp. virgata (Howell) C.L. Hitchc. -- not accepted -- dwarf checkerbloom
  Sidalcea malviflora var. hirsuta C.L. Hitchc. -- not accepted -- dwarf checkerbloom
  Sidalcea malviflora var. laciniata C.L. Hitchc. -- not accepted -- dwarf checkerbloom
  Sidalcea malviflora var. sancta C.L. Hitchc. -- not accepted -- dwarf checkerbloom
  Sidalcea malviflora var. sparsifolia C.L. Hitchc. -- not accepted -- dwarf checkerbloom
  Sidalcea malviflora var. stellata C.L. Hitchc. -- not accepted -- dwarf checkerbloom
  Sidalcea malviflora var. uliginosa C.L. Hitchc. -- not accepted -- dwarf checkerbloom
  Sidalcea neomexicana ssp. crenulata (A. Nelson) C.L. Hitchc. -- not accepted -- New Mexico checkermallow, salt spring checkerbloom
  Sidalcea neomexicana ssp. thurberi (B.L. Rob.) C.L. Hitchc. -- not accepted -- Rocky Mountain checker-mallow, Thurber's checkerbloom, Thurber's checkermallow
  Sidalcea neomexicana var. crenulata (A. Nelson) C.L. Hitchc. -- not accepted
  Sidalcea oregana ssp. eximia (Greene) C.L. Hitchc. -- accepted -- coast checkerbloom
  Sidalcea oregana ssp. hydrophila (A. Heller) C.L. Hitchc. -- accepted -- Oregon checkerbloom, water-loving checker-mallow
  Sidalcea oregana ssp. oregana var. calva C.L. Hitchc. -- not accepted -- Oregon checkerbloom
  Sidalcea oregana ssp. oregana var. maxima (M. Peck) C.L. Hitchc. -- not accepted -- Oregon checkerbloom, Oregon checkermallow
  Sidalcea oregana ssp. oregana var. nevadensis C.L. Hitchc. -- not accepted -- Nevada checkermallow, Oregon checkerbloom
  Sidalcea oregana ssp. oregana var. procera C.L. Hitchc. -- not accepted -- Oregon checkerbloom, Oregon checkermallow
  Sidalcea oregana ssp. spicata (Regel) C.L. Hitchc. -- accepted -- Oregon checkerbloom, Oregon checkermallow
  Sidalcea oregana ssp. valida (Greene) C.L. Hitchc. -- accepted -- Kenwood Marsh checker-mallow, Kenwood Marsh checkerbloom
  Sidalcea oregana var. calva C.L. Hitchc. -- not accepted -- Oregon checkerbloom, Wenatchee Mountains checker-mallow
  Sidalcea oregana var. maxima (M. Peck) C.L. Hitchc. -- not accepted -- Oregon checkerbloom
  Sidalcea oregana var. nevadensis C.L. Hitchc. -- not accepted -- Oregon checkerbloom
  Sidalcea oregana var. procera C.L. Hitchc. -- not accepted -- Oregon checkerbloom
  Sidalcea setosa C.L. Hitchc. -- accepted -- bristly-fruited checkerbloom, Edgewood checkerbloom
  Sidalcea setosa ssp. querceta C.L. Hitchc. -- not accepted
  Sidalcea setosa ssp. setosa C.L. Hitchc. -- not accepted -- Edgewood checkermallow
  Sidalcea sparsifolia (C.L. Hitchc.) S.R. Hill -- accepted -- southern checkerbloom
  Silene bernardina ssp. maguirei var. sierrae (C.L. Hitchc. & Maguire) Bocquet -- not accepted
  Silene bernardina var. sierrae (C.L. Hitchc. & Maguire) Bocquet -- not accepted -- Palmer's catchfly
  Silene campanulata ssp. glandulosa C.L. Hitchc. & Maguire -- accepted -- bell catchfly, Red Mountain catchfly
  Silene campanulata ssp. greenei (S. Watson) C.L. Hitchc. & Maguire -- not accepted -- Greene's catchfly
  Silene clokeyi C.L. Hitchc. & Maguire -- not accepted -- Clokey's campion, Clokey's catchfly
  Silene douglasii var. oraria (M. Peck) C.L. Hitchc. & Maguire -- accepted -- Cascade Head catchfly, seabluff catchfly
  Silene douglasii var. villosa C.L. Hitchc. & Maguire -- not accepted
  Silene hookeri ssp. pulverulenta (M. Peck) C.L. Hitchc. & Maguire -- not accepted -- Hooker's silene
  Silene invisa C.L. Hitchc. & Maguire -- accepted -- red fir catchfly
  Silene laciniata ssp. brandegeei C.L. Hitchc. & Maguire -- not accepted
  Silene laciniata ssp. brandegei C.L. Hitchc. & Maguire -- not accepted
  Silene laciniata ssp. greggii (A. Gray) C.L. Hitchc. & Maguire -- accepted -- cardinal catchfly, Gregg's campion
  Silene laciniata ssp. major C.L. Hitchc. & Maguire -- not accepted -- cardinal catchfly
  Silene laciniata ssp. major var. angustifolia C.L. Hitchc. & Maguire -- not accepted -- cardinal catchfly
  Silene laciniata ssp. major var. latifolia C.L. Hitchc. & Maguire -- not accepted -- cardinal catchfly
  Silene laciniata ssp. major var. major (C.L. Hitchc. & Maguire) C.L. Hitchc. & Maguire -- not accepted -- cardinal catchfly
  Silene laciniata var. angustifolia C.L. Hitchc. & Maguire -- not accepted -- cardinal catchfly
  Silene laciniata var. latifolia C.L. Hitchc. & Maguire -- not accepted -- cardinal catchfly
  Silene menziesii ssp. dorrii (Kellogg) C.L. Hitchc. & Maguire -- not accepted -- Dorr's campion, Menzies' campion
  Silene menziesii ssp. menziesii var. viscosa (Greene) C.L. Hitchc. & Maguire -- not accepted
  Silene menziesii var. viscosa (Greene) C.L. Hitchc. & Maguire -- not accepted -- Menzies' campion
  Silene montana ssp. bernardina (S. Watson) C.L. Hitchc. & Maguire -- not accepted
  Silene montana var. sierrae C.L. Hitchc. & Maguire -- not accepted
  Silene nuda (S. Watson) C.L. Hitchc. & Maguire -- accepted -- barestem campion, western fringed catchfly
  Silene nuda ssp. insectivora (L.F. Hend.) C.L. Hitchc. & Maguire -- not accepted -- carnivorous silene, insecteating campion
  Silene nuda ssp. nuda (S. Watson) C.L. Hitchc. & Maguire -- not accepted -- western fringed campion, western fringed catchfly
  Silene occidentalis ssp. longistipitata C.L. Hitchc. & Maguire -- not accepted -- Butte County catchfly, western catchfly
  Silene parishii var. latifolia C.L. Hitchc. & Maguire -- not accepted -- Parish's catchfly
  Silene parishii var. viscida C.L. Hitchc. & Maguire -- not accepted -- Parish's catchfly
  Silene parryi (S. Watson) C.L. Hitchc. & Maguire -- accepted -- Parry's silene
  Silene petersonii var. minor C.L. Hitchc. & Maguire -- not accepted -- plateau catchfly, Red Canyon catchfly
  Silene plankii C.L. Hitchc. & Maguire -- accepted -- Plank's catchfly
  Silene repens ssp. australis C.L. Hitchc. & Maguire -- not accepted -- pink campion
  Silene repens ssp. purpurata (Greene) C.L. Hitchc. & Maguire -- not accepted -- pink campion
  Silene repens var. australis (C.L. Hitchc. & Maguire) C.L. Hitchc. -- not accepted
  Silene scaposa var. lobata C.L. Hitchc. & Maguire -- not accepted -- Lost River campion, Lost River silene
  Silene scouleri ssp. grandis (Eastw.) C.L. Hitchc. & Maguire -- not accepted
  Silene scouleri ssp. hallii (S. Watson) C.L. Hitchc. & Maguire -- accepted -- simple campion
  Silene scouleri ssp. pringlei (S. Watson) C.L. Hitchc. & Maguire -- accepted -- Pringle's catchfly, simple campion
  Silene scouleri ssp. pringlei var. concolor (Greene) C.L. Hitchc. & Maguire -- not accepted
  Silene scouleri ssp. pringlei var. eglandulosa C.L. Hitchc. & Maguire -- not accepted
  Silene scouleri ssp. pringlei var. grisea C.L. Hitchc. & Maguire -- not accepted
  Silene scouleri ssp. pringlei var. leptophylla C.L. Hitchc. & Maguire -- not accepted
  Silene scouleri ssp. pringlei var. pringlei (S. Watson) C.L. Hitchc. & Maguire ex Kartesz & Gandhi -- not accepted
  Silene scouleri ssp. scouleri var. pacifica (Eastw.) C.L. Hitchc. -- not accepted -- simple campion
  Silene scouleri var. concolor (Greene) C.L. Hitchc. & Maguire -- not accepted -- simple campion
  Silene scouleri var. eglandulosa C.L. Hitchc. & Maguire -- not accepted -- simple campion, simple catchfly
  Silene scouleri var. grisea C.L. Hitchc. & Maguire -- not accepted -- simple campion
  Silene scouleri var. leptophylla C.L. Hitchc. & Maguire -- not accepted -- simple campion
  Silene scouleri var. pacifica (Eastw.) C.L. Hitchc. -- not accepted -- simple campion
  Silene scouleri var. pringlei (S. Watson) C.L. Hitchc. & Maguire ex Kartesz & Gandhi -- not accepted -- simple campion
  Silene verecunda ssp. andersonii (Clokey) C.L. Hitchc. & Maguire -- not accepted -- Anderson's campion, San Francisco campion
  Silene verecunda ssp. platyota (S. Watson) C.L. Hitchc. & Maguire -- not accepted -- San Francisco campion
  Silene verecunda ssp. platyota var. eglandulosa C.L. Hitchc. & Maguire -- not accepted -- San Francisco campion
  Silene verecunda var. eglandulosa C.L. Hitchc. & Maguire -- not accepted -- San Francisco campion
  Sitanion hystrix var. brevifolium (J.G. Sm.) C.L. Hitchc. -- not accepted
  Sitanion hystrix var. hordeoides (Suksd.) C.L. Hitchc. -- not accepted
  Sorbus scopulina var. cascadensis (G.N. Jones) C.L. Hitchc. -- not accepted -- Cascade mountain-ash
  Sorbus sitchensis var. grayi (Wenzig) C.L. Hitchc. -- accepted -- western mountain-ash
  Spiraea betulifolia var. lucida (Douglas ex Greene) C.L. Hitchc. -- accepted -- shinyleaf spirea
  Spiraea densiflora var. splendens (Baumann ex K. Koch) C.L. Hitchc. -- not accepted
  Spiraea douglasii var. roseata (Rydb.) C.L. Hitchc. -- not accepted
  Stellaria longipes var. altocaulis (HultÚn) C.L. Hitchc. -- not accepted
  Stellaria simcoei (Howell) C.L. Hitchc. -- not accepted
  Stipa occidentalis var. californica (Merr. & Burtt Davy) C.L. Hitchc. -- not accepted
  Stipa occidentalis var. minor (Vasey) C.L. Hitchc. -- not accepted
  Stipa occidentalis var. nelsonii (Scribn.) C.L. Hitchc. -- not accepted
  Thlaspi fendleri var. glaucum (A. Nelson) C.L. Hitchc. -- not accepted
  Thlaspi fendleri var. hesperium (Payson) C.L. Hitchc. -- not accepted
  Thlaspi fendleri var. idahoense (Payson) C.L. Hitchc. -- not accepted
  Tofieldia glutinosa ssp. absona C.L. Hitchc. -- not accepted -- Priest Lake tofieldia
  Tofieldia glutinosa ssp. brevistyla C.L. Hitchc. -- not accepted -- sticky tofieldia
  Tofieldia glutinosa ssp. montana C.L. Hitchc. -- not accepted -- sticky tofieldia, tall tofieldia
  Tofieldia glutinosa ssp. occidentalis (S. Watson) C.L. Hitchc. -- not accepted -- western tofieldia
  Tofieldia glutinosa var. absona (C.L. Hitchc.) R.J. Davis -- not accepted
  Tofieldia glutinosa var. brevistyla (C.L. Hitchc.) C.L. Hitchc. -- not accepted
  Tofieldia glutinosa var. montana (C.L. Hitchc.) R.J. Davis -- not accepted
  Tofieldia glutinosa var. occidentalis (S. Watson) C.L. Hitchc. -- not accepted
  Trautvetteria caroliniensis var. occidentalis (A. Gray) C.L. Hitchc. -- not accepted -- western bugbane
  Triantha occidentalis ssp. brevistyla (C.L. Hitchc.) Packer -- accepted -- sticky tofieldia
  Triantha occidentalis ssp. montana (C.L. Hitchc.) Packer -- accepted -- sticky tofieldia
  Trifolium longipes var. multiovulatum (L.F. Hend.) C.L. Hitchc. -- not accepted
  Trifolium longipes var. pedunculatum (Rydb.) C.L. Hitchc. -- not accepted
  Trifolium variegatum var. rostratum (Greene) C.L. Hitchc. -- not accepted
  Urtica dioica var. californica (Greene) C.L. Hitchc. -- not accepted
  Urtica dioica var. gracilis (Aiton) C.L. Hitchc. -- not accepted
  Urtica dioica var. holosericea (Nutt.) C.L. Hitchc. -- not accepted
  Urtica dioica var. lyallii (S. Watson) C.L. Hitchc. -- not accepted
  Veratrum californicum var. caudatum (A. Heller) C.L. Hitchc. -- accepted -- Cascade false hellebore
  Viola adunca var. cascadensis (M.S. Baker) C.L. Hitchc. -- not accepted
  Viola adunca var. uncinulata (Greene) C.L. Hitchc. -- not accepted
  Viola canadensis var. rugulosa (Greene) C.L. Hitchc. -- accepted -- Canadian white violet, creepingroot violet
  Viola macloskeyi var. pallens (Banks ex DC.) C.L. Hitchc. -- not accepted
  Viola nephrophylla var. cognata (Greene) C.L. Hitchc. -- not accepted
  Viola nuttallii var. bakeri (Greene) C.L. Hitchc. -- not accepted
   

A gray bar