The Plant List — A working list for all plant species

⚠ Version 1 of The Plant List has been superseded.

You should refer instead to the current version of The Plant List.

Results

612 plant name records match your search criteria Castilleja. The results are below.

• Genus Castilleja is in the family Orobanchaceae. Species epithets begin with: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

The results can also be downloaded as a CSV file.

See "Status", "Confidence level", "Source" for definitions.

Name	Status	Confi­dence level	Source
Castilleja acuminata (Pursh) Spreng.	Synonym		WCSP (in review)
Castilleja acuminata Turcz. [Illegitimate]	Synonym		WCSP (in review)
Castilleja adenophora Eastw.	Synonym		WCSP (in review)
Castilleja affinis Hook. & Arn.	Accepted		WCSP (in review)
Castilleja affinis Benth. [Illegitimate]	Synonym		WCSP (in review)
Castilleja affinis var. contentiosa (J.F.Macbr.) Bacig.	Synonym		WCSP (in review)
Castilleja affinis subsp. insularis (Eastw.) Munz	Synonym		WCSP (in review)
Castilleja affinis var. linariifolia (Benth.) Zeile	Synonym		WCSP (in review)
Castilleja affinis subsp. litoralis (Pennell) T.I.Chuang & Heckard	Accepted		WCSP (in review)
Castilleja affinis var. minor A.Gray	Unresolved		WCSP (in review)
Castilleja affinis subsp. neglecta (Zeile) T.I.Chuang & Heckard	Accepted		WCSP (in review)
Castilleja affinis var. neglecta (Zeile) J.M. Egger	Synonym		TRO
Castilleja agrestis Pennell	Synonym		WCSP (in review)
Castilleja albobarbata Iltis & G.L.Nesom	Accepted		WCSP (in review)
Castilleja alpicola T.I.Chuang & Heckard	Accepted		WCSP (in review)
Castilleja altorum Standl. & Steyerm.	Accepted		WCSP (in review)
Castilleja ambigua Hook. & Arn.	Accepted		WCSP (in review)
Castilleja ambigua M.E.Jones [Illegitimate]	Synonym		WCSP (in review)
Castilleja ambigua var. humboldtiensis (D.D. Keck) J.M. Egger	Accepted		TRO
Castilleja ambigua var. insalutata (Jeps.) J.M. Egger	Accepted		TRO
Castilleja ampliflora Rydb. [Unplaced]	Unresolved		WCSP (in review)
Castilleja anacapensis Dunkle	Synonym		WCSP (in review)
Castilleja andrewsii L.F.Hend.	Synonym		WCSP (in review)
Castilleja angustata Eastw.	Accepted		WCSP (in review)
Castilleja angustifolia (Nutt.) G.Don	Accepted		WCSP (in review)
Castilleja angustifolia M.Martens & Galeotti [Illegitimate]	Synonym		WCSP (in review)
Castilleja angustifolia A.Gray [Illegitimate]	Synonym		WCSP (in review)
Castilleja angustifolia Gand.	Synonym		TRO
Castilleja angustifolia var. abbreviata Fernald	Synonym		WCSP (in review)
Castilleja angustifolia subsp. abbreviata (Fernald) Piper & Beattie	Synonym		WCSP (in review)
Castilleja angustifolia var. adenophora Fernald	Synonym		WCSP (in review)
Castilleja angustifolia var. bradburii (Nutt.) Fernald	Synonym		WCSP (in review)
Castilleja angustifolia subsp. bradburii (Nutt.) Piper & Beattie	Synonym		WCSP (in review)
Castilleja angustifolia var. collina (A.Nelson) Garrett	Synonym		WCSP (in review)
Castilleja angustifolia var. dubia A.Nelson	Accepted		WCSP (in review)
Castilleja angustifolia var. flavescens (Pennell ex Edwin) N.H.Holmgren	Accepted		WCSP (in review)
Castilleja angustifolia var. hispida (Benth. ex Hook.) Fernald	Synonym		WCSP (in review)
Castilleja angustifolia subsp. hispida (Benth. ex Hook.) Piper & Beattie	Synonym		WCSP (in review)
Castilleja angustifolia var. subcinerea (Rydb.) A.Nelson & J.F.Macbr.	Synonym		WCSP (in review)
Castilleja angustifolia var. whitedii Piper	Synonym		WCSP (in review)
Castilleja annua Pennell	Accepted		WCSP (in review)
Castilleja anthemidifolia Benth.	Synonym		WCSP (in review)
Castilleja applegatei Fernald	Accepted		WCSP (in review)
Castilleja applegatei var. breweri (Fernald) N.H.Holmgren	Synonym		WCSP (in review)
Castilleja applegatei subsp. disticha (Eastw.) T.I.Chuang & Heckard	Accepted		WCSP (in review)
Castilleja applegatei var. fragilis (Zeile) N.H.Holmgren	Synonym		WCSP (in review)
Castilleja applegatei subsp. martinii (Abrams) T.I.Chuang & Heckard	Accepted		WCSP (in review)
Castilleja applegatei var. pallida (Eastw.) N.H.Holmgren	Synonym		WCSP (in review)
Castilleja applegatei subsp. pallida (Eastw.) T.I.Chuang & Heckard	Accepted		WCSP (in review)
Castilleja applegatei var. pinetorum (Fernald) N.H.Holmgren	Synonym		WCSP (in review)
Castilleja applegatei subsp. pinetorum (Fernald) T.I.Chuang & Heckard	Accepted		WCSP (in review)
Castilleja applegatei var. viscida (Rydb.) Ownbey	Synonym		WCSP (in review)
Castilleja aquariensis N.H.Holmgren	Accepted		WCSP (in review)
Castilleja arachnoidea Greenm.	Accepted		WCSP (in review)
Castilleja arachnoidea subsp. schizotricha (Greenm.) Pennell	Synonym		WCSP (in review)
Castilleja arachnoidea subsp. shartensis (Eastw.) Pennell	Synonym		WCSP (in review)
Castilleja arapahoensis Daniels [Unplaced]	Unresolved		WCSP (in review)
Castilleja arctica Krylov & Serg.	Accepted		WCSP (in review)
Castilleja arcuata Rydb.	Synonym		WCSP (in review)
Castilleja ardifera J.F.Macbr. & Payson [Unplaced]	Unresolved		WCSP (in review)
Castilleja arvensis Cham. & Schltdl.	Synonym		WCSP (in review)
Castilleja aspera Eastw.	Accepted		WCSP (in review)
Castilleja attenuata (A. Gray) T.I. Chuang & Heckard	Accepted		TRO
Castilleja aurantiaca Pennell	Synonym		WCSP (in review)
Castilleja aurea B.L.Rob. & Greenm.	Accepted		WCSP (in review)
Castilleja auriculata Eastw.	Accepted		WCSP (in review)
Castilleja austromontana Standl. & Blumer	Accepted		WCSP (in review)
Castilleja bakeri Greene	Unresolved		TRO
Castilleja barnebyana Eastw.	Synonym		WCSP (in review)
Castilleja belding (Greene) Tank & J.M. Egger	Accepted		TRO
Castilleja bella Standl.	Accepted		WCSP (in review)
Castilleja bennittii A.Nelson & J.F.Macbr.	Synonym		WCSP (in review)
Castilleja bicolor Pennell	Synonym		WCSP (in review)
Castilleja blumeri Standl.	Synonym		WCSP (in review)
Castilleja brachyantha Rydb.	Synonym		WCSP (in review)
Castilleja brachyantha var. subinflata E.H.Kelso	Synonym		WCSP (in review)
Castilleja bracteata Edwin	Synonym		WCSP (in review)
Castilleja bradburii (Nutt.) G.Don	Synonym		WCSP (in review)
Castilleja breviflora Benth.	Synonym		WCSP (in review)
Castilleja breviflora A.Gray	Synonym		WCSP (in review)
Castilleja brevilobata Piper	Synonym		WCSP (in review)
Castilleja brevistyla (Hoover) T.I.Chuang & Heckard	Accepted		WCSP (in review)
Castilleja breweri Fernald	Synonym		WCSP (in review)
Castilleja breweri var. pallida Eastw.	Synonym		WCSP (in review)
Castilleja brooksii Eastw.	Synonym		WCSP (in review)
Castilleja brunnescens Rydb.	Synonym		WCSP (in review)
Castilleja bryantii Brandegee	Accepted		WCSP (in review)
Castilleja bryantii var. socorrensis (Moran) J.M. Egger	Synonym		TRO
Castilleja buffumii A.Nelson	Synonym		WCSP (in review)
Castilleja calcicola Pennell	Synonym		WCSP (in review)
Castilleja californica Abrams	Synonym		WCSP (in review)
Castilleja campestris (Benth.) T.I.Chuang & Heckard	Accepted		WCSP (in review)
Castilleja campestris var. succulenta (Hoover) J.M. Egger	Accepted		TRO
Castilleja camporum Howell	Synonym		WCSP (in review)
Castilleja candens Durand & Hilg.	Synonym		WCSP (in review)
Castilleja canescens Benth.	Synonym		WCSP (in review)
Castilleja carterae Beane [Unplaced]	Unresolved		WCSP (in review)
Castilleja caudata (Pennell) Rebrist.	Accepted		WCSP (in review)
Castilleja caudata Rebrecht	Unresolved		TRO
Castilleja cerroana Edwin	Accepted		WCSP (in review)
Castilleja cervina Greenm.	Accepted		WCSP (in review)
Castilleja chambersii M.Egger & Meinke	Accepted		WCSP (in review)
Castilleja chiapensis Brandegee	Accepted		WCSP (in review)
Castilleja chiriquiensis Pennell	Synonym		WCSP (in review)
Castilleja chlorosceptron G.L.Nesom	Accepted		WCSP (in review)
Castilleja chlorotica Piper	Accepted		WCSP (in review)
Castilleja christii N.H.Holmgren	Accepted		WCSP (in review)
Castilleja chromosa A.Nelson	Synonym		WCSP (in review)
Castilleja chrymactis Pennell	Accepted		WCSP (in review)
Castilleja chrysantha Greenm.	Accepted		WCSP (in review)
Castilleja ciliata Pennell	Synonym		WCSP (in review)
Castilleja cinerea A.Gray	Accepted		WCSP (in review)
Castilleja citrina Pennell	Synonym		WCSP (in review)
Castilleja clementis Eastw.	Synonym		WCSP (in review)
Castilleja clokeyi Pennell	Synonym		WCSP (in review)
Castilleja coccinea (L.) Spreng.	Accepted		WCSP (in review)
Castilleja coccinea Douglas	Synonym		WCSP (in review)
Castilleja coccinea f. alba Farw.	Synonym		WCSP (in review)
Castilleja coccinea f. lutescens Farw.	Synonym		WCSP (in review)
Castilleja coccinea f. pallens (Michx.) Pennell	Synonym		WCSP (in review)
Castilleja cognata Greene [Unplaced]	Unresolved		WCSP (in review)
Castilleja collina A.Nelson	Synonym		WCSP (in review)
Castilleja communis Benth.	Synonym		WCSP (in review)
Castilleja communis f. johnstoniae Standl.	Synonym		WCSP (in review)
Castilleja confusa Greene	Synonym		WCSP (in review)
Castilleja confusa var. pubens (A.Nelson & J.F.Macbr.) A.Nelson & J.F.Macbr.	Synonym		WCSP (in review)
Castilleja conzattii Fernald	Accepted		WCSP (in review)
Castilleja coronopifolia Vent.	Synonym		WCSP (in review)
Castilleja covilleana Hend.	Accepted		WCSP (in review)
Castilleja crispula Piper	Synonym		WCSP (in review)
Castilleja crista-galli Rydb.	Accepted		WCSP (in review)
Castilleja cruenta Standl.	Synonym		WCSP (in review)
Castilleja cryptandra Eastw.	Synonym		WCSP (in review)
Castilleja cryptantha Pennell & G.N.Jones	Accepted		WCSP (in review)
Castilleja ctenodonta Eastw.	Accepted		WCSP (in review)
Castilleja ctenodonta var. altorum (Standl. & Steyerm.) J.M. Egger	Synonym		TRO
Castilleja culbertsonii Greene	Synonym		WCSP (in review)
Castilleja curticalix A.Nelson & J.F.Macbr.	Synonym		WCSP (in review)
Castilleja cusickii Greenm.	Accepted		WCSP (in review)
Castilleja dendridion G.L.Nesom	Accepted		WCSP (in review)
Castilleja densiflora (Benth.) T.I.Chuang & Heckard	Accepted		WCSP (in review)
Castilleja densiflora var. gracilis (Benth.) J.M. Egger	Accepted		TRO
Castilleja densiflora var. obispoensis (D.D. Keck) J.M. Egger	Accepted		TRO
Castilleja desertorum Geyer	Synonym		WCSP (in review)
Castilleja dissitiflora N.H.Holmgren	Accepted		WCSP (in review)
Castilleja disticha Eastw.	Synonym		WCSP (in review)
Castilleja divaricata Benth.	Synonym		WCSP (in review)
Castilleja dixonii Fernald	Synonym		WCSP (in review)
Castilleja dolichostylis Eastw.	Synonym		WCSP (in review)
Castilleja douglasii Benth.	Synonym		WCSP (in review)
Castilleja douglasii var. contentiosa J.F.Macbr.	Synonym		WCSP (in review)
Castilleja douglasii subsp. insularis (Eastw.) Pennell	Synonym		WCSP (in review)
Castilleja dubia (A.Nelson) A.Nelson	Synonym		WCSP (in review)
Castilleja durangensis G.L.Nesom	Accepted		WCSP (in review)
Castilleja eastwoodiana Pennell	Synonym		WCSP (in review)
Castilleja ecuadorensis N.H.Holmgren	Accepted		WCSP (in review)
Castilleja elata Piper	Synonym		WCSP (in review)
Castilleja elegans Malte	Accepted		WCSP (in review)
Castilleja elkoensis Edwin	Synonym		WCSP (in review)
Castilleja elmeri Fernald	Accepted		WCSP (in review)
Castilleja elongata Pennell	Synonym		WCSP (in review)
Castilleja episcopalis Pennell	Synonym		WCSP (in review)
Castilleja eremophila Wooton & Standl.	Synonym		WCSP (in review)
Castilleja ewanii Eastw.	Synonym		WCSP (in review)
Castilleja excelsa Eastw.	Synonym		WCSP (in review)
Castilleja exigua J.M. Egger	Unresolved		TRO
Castilleja exilis A.Nelson	Accepted		WCSP (in review)
Castilleja eximia Eastw. [Unplaced]	Unresolved		WCSP (in review)
Castilleja exserta (A.Heller) T.I.Chuang & Heckard	Accepted		WCSP (in review)
Castilleja exserta Eastw. & C.F. Baker	Synonym		TRO
Castilleja exserta var. latifolia (S. Watson) J.M. Egger	Accepted		TRO
Castilleja exserta var. venusta (A. Heller) J.M. Egger	Accepted		TRO
Castilleja falcata Eastw.	Accepted		WCSP (in review)
Castilleja fasciculata A.Nelson	Synonym		WCSP (in review)
Castilleja fasciculata var. inverta A.Nelson & J.F.Macbr.	Synonym		WCSP (in review)
Castilleja filiflora G.L.Nesom	Accepted		WCSP (in review)
Castilleja filifolia Eastw.	Synonym		WCSP (in review)
Castilleja fissifolia L.f.	Accepted		WCSP (in review)
Castilleja fissifolia Sessé & Moç. [Unplaced]	Unresolved		WCSP (in review)
Castilleja fissifolia var. angustifolia Benth.	Synonym		WCSP (in review)
Castilleja fissifolia var. breviflora (Benth.) Wedd.	Synonym		WCSP (in review)
Castilleja fissifolia var. divaricata (Benth.) Wedd.	Synonym		WCSP (in review)
Castilleja fissifolia subsp. fruticosa Wedd. ex Melch.	Synonym		TRO
Castilleja fissifolia var. integrifolia (L.f.) Wedd.	Synonym		WCSP (in review)
Castilleja fissifolia var. longifolia Benth.	Synonym		WCSP (in review)
Castilleja fissifolia var. nubigena (Kunth) Wedd.	Synonym		WCSP (in review)
Castilleja fissifolia subsp. nubigena (Kunth) Wedd. ex Melch.	Synonym		TRO
Castilleja fissifolia var. pumila (Benth. ex DC) Wedd.	Synonym		WCSP (in review)
Castilleja fissifolia subsp. pumila (Benth.) Wedd. ex Melch.	Synonym		TRO
Castilleja fissifolia subsp. pumila (Benth.) Wedd.	Synonym		TRO
Castilleja flava S.Watson	Accepted		WCSP (in review)
Castilleja flava var. rustica (Piper) N.H.Holmgren	Accepted		WCSP (in review)
Castilleja flavescens Pennell ex Edwin	Synonym		WCSP (in review)
Castilleja flavoviridis Kelso	Synonym		WCSP (in review)
Castilleja floccosa Pennell ex M.Peck [Invalid]	Synonym		WCSP (in review)
Castilleja foliolosa Hook. & Arn.	Accepted		WCSP (in review)
Castilleja franciscana Pennell	Synonym		WCSP (in review)
Castilleja fraterna Greenm.	Accepted		WCSP (in review)
Castilleja fruticosa Moran	Accepted		WCSP (in review)
Castilleja fulgens Nutt. ex A.Gray	Synonym		WCSP (in review)
Castilleja fulva Pennell	Accepted		WCSP (in review)
Castilleja galeata A.Nelson	Synonym		WCSP (in review)
Castilleja galehintoniae G.L.Nesom	Accepted		WCSP (in review)
Castilleja genevievana G.L.Nesom	Accepted		WCSP (in review)
Castilleja glandulifera Pennell	Accepted		WCSP (in review)
Castilleja glandulifera subsp. pallida (Eastw.) Pennell	Synonym		WCSP (in review)
Castilleja glandulosa Greenm.	Synonym		WCSP (in review)
Castilleja × gleasonii Elmer	Accepted		WCSP (in review)
Castilleja gleasonii Elmer	Synonym		TRO
Castilleja globosa Eastw.	Synonym		WCSP (in review)
Castilleja gloriosa Britton	Synonym		WCSP (in review)
Castilleja gonzaleziae G.L.Nesom	Accepted		WCSP (in review)
Castilleja gracilis Benth.	Accepted		WCSP (in review)
Castilleja gracillima Rydb.	Synonym		WCSP (in review)
Castilleja grandiflora Spreng.	Synonym		WCSP (in review)
Castilleja grisea Dunkle	Accepted		WCSP (in review)
Castilleja guadalupensis Brandegee	Accepted		WCSP (in review)
Castilleja gyroloba Pennell	Synonym		WCSP (in review)
Castilleja haitiensis Urb. & Ekman	Accepted		WCSP (in review)
Castilleja haydenii (A.Gray) Cockerell	Accepted		WCSP (in review)
Castilleja haydenii (A. Gray) Greene	Synonym		TRO
Castilleja helleri Edwin	Synonym		WCSP (in review)
Castilleja henryae Pennell	Synonym		WCSP (in review)
Castilleja hidalgensis J.M.Egger	Accepted		WCSP (in review)
Castilleja hirsuta M.Martens & Galeotti	Accepted		WCSP (in review)
Castilleja hispida Benth. ex Hook.	Accepted		WCSP (in review)
Castilleja hispida subsp. abbreviata (Fernald) Pennell	Synonym		WCSP (in review)
Castilleja hispida subsp. acuta Pennell	Accepted		WCSP (in review)
Castilleja hispida var. acuta (Pennell) Pennell ex M.Peck	Synonym		WCSP (in review)
Castilleja hispida subsp. brevilobata (Piper) T.I.Chuang & Heckard	Accepted		WCSP (in review)
Castilleja hoffmannii Eastw.	Synonym		WCSP (in review)
Castilleja holmgrenii J.M.Egger	Accepted		WCSP (in review)
Castilleja hololeuca Greene	Synonym		WCSP (in review)
Castilleja hololeuca subsp. grisea (Dunkle) Munz	Synonym		WCSP (in review)
Castilleja howellii Eastw.	Synonym		WCSP (in review)
Castilleja humilis Rydb.	Synonym		WCSP (in review)
Castilleja hyetophila Pennell	Accepted		WCSP (in review)
Castilleja hyetophila f. longiflora Pennell	Synonym		WCSP (in review)
Castilleja hyparctica Rebrist.	Accepted		WCSP (in review)
Castilleja hyperborea Pennell	Accepted		WCSP (in review)
Castilleja hyssopifolia Willd. ex G.Don	Synonym		WCSP (in review)
Castilleja inconspicua A.Nelson & P.B.Kenn.	Synonym		WCSP (in review)
Castilleja inconstans Standl.	Synonym		WCSP (in review)
Castilleja indecora Piper	Synonym		WCSP (in review)
Castilleja indivisa Engelm.	Accepted		WCSP (in review)
Castilleja indivisa f. vivida Cory	Synonym		WCSP (in review)
Castilleja inflata Pennell	Synonym		WCSP (in review)
Castilleja inornata Eastw.	Synonym		WCSP (in review)
Castilleja integra A.Gray	Accepted		WCSP (in review)
Castilleja integra var. gloriosa (Britton) Cockerell	Accepted		WCSP (in review)
Castilleja integra var. gracilis Cockerell	Synonym		WCSP (in review)
Castilleja integra var. intermedia Cockerell	Synonym		WCSP (in review)
Castilleja integrifolia L.f.	Accepted		WCSP (in review)
Castilleja integrifolia Kunth [Illegitimate]	Synonym		WCSP (in review)
Castilleja integrifolia Sessé & Moç. [Unplaced]	Unresolved		WCSP (in review)
Castilleja integrifolia var. alpigena L.O.Williams	Synonym		WCSP (in review)
Castilleja integrifolia var. chiapensis (Brandegee) J.M. Egger	Synonym		TRO
Castilleja integrifolia var. longibracteata (M. Martens & Galeotti) J.M. Egger	Synonym		TRO
Castilleja inverta (A.Nelson & J.F.Macbr.) Pennell & Ownbey	Synonym		WCSP (in review)
Castilleja irasuensis Oerst.	Accepted		WCSP (in review)
Castilleja irazuensis Oerst.	Unresolved		TRO
Castilleja jepsonii Bacig. & Heckard	Synonym		WCSP (in review)
Castilleja jiquilpana G.L.Nesom	Accepted		WCSP (in review)
Castilleja jusselii Eastw.	Synonym		WCSP (in review)
Castilleja kaibabensis N.H.Holmgren	Accepted		WCSP (in review)
Castilleja katakyptusa Loes.	Synonym		WCSP (in review)
Castilleja kraliana J.R.Allison	Accepted		WCSP (in review)
Castilleja kuschei Eastw.	Accepted		WCSP (in review)
Castilleja labiata Pennell	Synonym		WCSP (in review)
Castilleja lacera (Benth.) T.I.Chuang & Heckard	Accepted		WCSP (in review)
Castilleja laciniata Hook. & Arn.	Accepted		WCSP (in review)
Castilleja lanata A.Gray	Accepted		WCSP (in review)
Castilleja lanata subsp. hololeuca (Greene) T.I.Chuang & Heckard	Accepted		WCSP (in review)
Castilleja lanceifolia Rydb.	Synonym		WCSP (in review)
Castilleja lapidicola A.Heller	Synonym		WCSP (in review)
Castilleja lapponica Gand.	Accepted		WCSP (in review)
Castilleja lapponica Gand. ex Rebrist.	Synonym		TRO
Castilleja lasiorhyncha (A.Gray) T.I.Chuang & Heckard	Accepted		WCSP (in review)
Castilleja lassenensis Eastw.	Synonym		WCSP (in review)
Castilleja latebracteata Pennell	Synonym		WCSP (in review)
Castilleja latifolia Hook. & Arn.	Accepted		WCSP (in review)
Castilleja latifolia subsp. carmelensis Eastw.	Synonym		WCSP (in review)
Castilleja latifolia subsp. insularis Eastw.	Synonym		WCSP (in review)
Castilleja latifolia subsp. mendocinensis Eastw.	Synonym		WCSP (in review)
Castilleja latifolia subsp. pinnatifida Eastw.	Synonym		WCSP (in review)
Castilleja latifolia var. rubra (Pennell) J.T.Howell	Synonym		WCSP (in review)
Castilleja latifolia var. wightii (Elmer) Zeile	Synonym		WCSP (in review)
Castilleja latifoliata Pennell	Synonym		WCSP (in review)
Castilleja lauta A.Nelson	Unresolved		WCSP (in review)
Castilleja laxa A.Gray	Synonym		WCSP (in review)
Castilleja lebgueana G.L.Nesom	Accepted		WCSP (in review)
Castilleja lemmonii A.Gray	Accepted		WCSP (in review)
Castilleja lentii N.H.Holmgren	Accepted		WCSP (in review)
Castilleja leonardii Rydb.	Unresolved		WCSP (in review)
Castilleja leschkeana J.T.Howell	Synonym		WCSP (in review)
Castilleja levisecta Greenm.	Unresolved		TRO
Castilleja linariifolia Benth.	Accepted		WCSP (in review)
Castilleja linariifolia var. filiformis Daniels	Synonym		WCSP (in review)
Castilleja linariifolia f. omnipubescens Pennell	Synonym		WCSP (in review)
Castilleja linariifolia var. omnipubescens (Pennell) Clokey	Synonym		WCSP (in review)
Castilleja linariifolia f. rosea Cockerell	Synonym		WCSP (in review)
Castilleja lindheimeri A.Gray	Synonym		WCSP (in review)
Castilleja lineariloba (Benth.) T.I.Chuang & Heckard	Accepted		WCSP (in review)
Castilleja linearis Rydb.	Synonym		WCSP (in review)
Castilleja lineata Greene	Accepted		WCSP (in review)
Castilleja linifolia N.H.Holmgren	Accepted		WCSP (in review)
Castilleja linoides A.Gray	Synonym		WCSP (in review)
Castilleja lithospermoides Kunth	Synonym		WCSP (in review)
Castilleja lithospermoides var. flava S.Watson	Synonym		WCSP (in review)
Castilleja lithospermoides var. major Benth.	Synonym		WCSP (in review)
Castilleja lithospermoides var. pastorei Hicken	Synonym		WCSP (in review)
Castilleja litoralis Pennell	Synonym		WCSP (in review)
Castilleja longibracteata M.Martens & Galeotti	Accepted		WCSP (in review)
Castilleja longiflora Kunze	Accepted		WCSP (in review)
Castilleja longispica A.Nelson	Synonym		WCSP (in review)
Castilleja ludoviciana Pennell	Accepted		WCSP (in review)
Castilleja lutea A.Heller	Synonym		WCSP (in review)
Castilleja luteovirens Rydb.	Synonym		WCSP (in review)
Castilleja lutescens (Greenm.) Rydb.	Accepted		WCSP (in review)
Castilleja lutescens (Greenm.) Piper	Synonym		TRO
Castilleja macrocarpa Benth.	Synonym		WCSP (in review)
Castilleja macrostigma S.Watson	Accepted		WCSP (in review)
Castilleja magna Rydb. [Unplaced]	Unresolved		WCSP (in review)
Castilleja magnistylis Edwin	Synonym		WCSP (in review)
Castilleja martinii Abrams	Synonym		WCSP (in review)
Castilleja martinii var. clokeyi (Pennell) N.H.Holmgren	Synonym		WCSP (in review)
Castilleja martinii subsp. ewanii (Eastw.) Munz	Synonym		WCSP (in review)
Castilleja martinii var. ewanii (Eastw.) N.H.Holmgren	Synonym		WCSP (in review)
Castilleja mcvaughii N.H.Holmgren	Accepted		WCSP (in review)
Castilleja mearnsii Pennell	Synonym		WCSP (in review)
Castilleja mendocinensis (Eastw.) Pennell	Accepted		WCSP (in review)
Castilleja meridensis Pennell	Accepted		WCSP (in review)
Castilleja mexiae Eastw.	Synonym		WCSP (in review)
Castilleja mexicana (Hemsl.) A.Gray	Accepted		WCSP (in review)
Castilleja miniata Douglas ex Hook.	Accepted		WCSP (in review)
Castilleja miniata var. alpina Suksd.	Synonym		WCSP (in review)
Castilleja miniata var. chromosa (A.Nelson) Garrett	Synonym		WCSP (in review)
Castilleja miniata var. crispula (Piper) A.Nelson & J.F.Macbr.	Synonym		WCSP (in review)
Castilleja miniata var. dixonii (Fernald) A.Nelson & J.F.Gmel.	Accepted		WCSP (in review)
Castilleja miniata subsp. dixonii (Fernald) Kartesz	Synonym		WCSP (in review)
Castilleja miniata subsp. elata (Piper) Munz	Accepted		WCSP (in review)
Castilleja miniata var. fulva (Pennell) J.M. Egger	Synonym		TRO
Castilleja miniata var. oblongifolia (A.Gray) Munz	Synonym		WCSP (in review)
Castilleja minor (A. Gray) A. Gray	Accepted		TRO
Castilleja minor var. exilis (A. Nelson) J.M. Egger	Synonym		TRO
Castilleja minor subsp. spiralis (Jeps.) T.I. Chuang & Heckard	Synonym		TRO
Castilleja minor var. spiralis (Jeps.) J.M. Egger	Accepted		TRO
Castilleja mogollonica Pennell	Synonym		WCSP (in review)
Castilleja mollis Pennell	Accepted		WCSP (in review)
Castilleja montana Congdon	Synonym		WCSP (in review)
Castilleja montigena Heckard	Synonym		WCSP (in review)
Castilleja moranensis Kunth	Accepted		WCSP (in review)
Castilleja moranensis var. cinerascens (Eastw.) J.M. Egger	Synonym		TRO
Castilleja muelleri Pennell	Accepted		WCSP (in review)
Castilleja multisecta A.Nelson [Unplaced]	Unresolved		WCSP (in review)
Castilleja multisecta Eastw. [Illegitimate]	Synonym		WCSP (in review)
Castilleja muscipula Eastw.	Synonym		WCSP (in review)
Castilleja muscipula var. angustifolia Eastw.	Synonym		WCSP (in review)
Castilleja muscipula var. armeniaca Eastw.	Synonym		WCSP (in review)
Castilleja nana Eastw.	Accepted		WCSP (in review)
Castilleja neglecta Zeile	Synonym		WCSP (in review)
Castilleja nelsonii Eastw.	Synonym		WCSP (in review)
Castilleja nervata Eastw.	Accepted		WCSP (in review)
Castilleja nervosa A. Nelson	Unresolved		TRO
Castilleja nevadensis Eastw.	Synonym		WCSP (in review)
Castilleja nitricola Eastw.	Accepted		WCSP (in review)
Castilleja nivea Pennell & Ownbey	Accepted		WCSP (in review)
Castilleja nivibractea G.L.Nesom	Accepted		WCSP (in review)
Castilleja nubigena Kunth	Accepted		WCSP (in review)
Castilleja nubigena var. pumila Benth.	Synonym		WCSP (in review)
Castilleja nubigena x fissifolia	Accepted		TRO
Castilleja nubigens Kunth	Unresolved		TRO
Castilleja oblongifolia A.Gray	Synonym		WCSP (in review)
Castilleja obovata Benth.	Synonym		WCSP (in review)
Castilleja obtusiloba Rydb.	Synonym		WCSP (in review)
Castilleja occidentalis Torr.	Accepted		WCSP (in review)
Castilleja ochracea Eastw.	Synonym		WCSP (in review)
Castilleja olgae A.P.Khokhr.	Accepted		WCSP (in review)
Castilleja olympica G.N.Jones	Synonym		WCSP (in review)
Castilleja ophiocephala Tank & J.M. Egger	Accepted		TRO
Castilleja oregonensis Gand.	Unresolved		WCSP (in review)
Castilleja oreopola Greenm.	Synonym		WCSP (in review)
Castilleja oreopola subsp. albida Pennell	Synonym		WCSP (in review)
Castilleja oreopola subsp. olympica Pennell	Synonym		WCSP (in review)
Castilleja oreopola var. subintegra Fernald	Synonym		WCSP (in review)
Castilleja oresbia Greenm.	Accepted		WCSP (in review)
Castilleja organorum Standl.	Accepted		WCSP (in review)
Castilleja orizabae Benth.	Synonym		WCSP (in review)
Castilleja ornata Eastw.	Accepted		WCSP (in review)
Castilleja ortegae Standl.	Accepted		WCSP (in review)
Castilleja ownbeyana Pennell	Synonym		WCSP (in review)
Castilleja pallescens (A.Gray) Greenm.	Accepted		WCSP (in review)
Castilleja pallescens var. inverta (A.Nelson & J.F.Macbr.) Edwin	Accepted		WCSP (in review)
Castilleja pallida (L.) Kunth	Accepted		WCSP (in review)
Castilleja pallida (L.) Spreng. [Illegitimate]	Synonym		WCSP (in review)
Castilleja pallida var. acuminata (Pursh) MacMill.	Synonym		WCSP (in review)
Castilleja pallida var. alpina Porter	Synonym		WCSP (in review)
Castilleja pallida var. angustata (Eastw.) B.L.Rob. & Seaton	Synonym		WCSP (in review)
Castilleja pallida subsp. auricoma Pennell	Synonym		WCSP (in review)
Castilleja pallida var. auricoma (Pennell) B.Boivin	Synonym		WCSP (in review)
Castilleja pallida var. borealis Pohle ex Rebrist.	Synonym		TRO
Castilleja pallida var. camporum (Howell) Greenm.	Synonym		WCSP (in review)
Castilleja pallida subsp. caudata Pennell	Synonym		WCSP (in review)
Castilleja pallida var. caudata (Pennell) B.Boivin	Synonym		WCSP (in review)
Castilleja pallida subsp. dahurica Pennell	Synonym		WCSP (in review)
Castilleja pallida subsp. elegans (Malte) Pennell	Synonym		WCSP (in review)
Castilleja pallida var. elegans (Malte) B.Boivin	Synonym		WCSP (in review)
Castilleja pallida var. haydenii A.Gray	Synonym		WCSP (in review)
Castilleja pallida subsp. hyparctica (Rebr.) Á.Löve & D.Löve	Synonym		WCSP (in review)
Castilleja pallida var. hyparctica (Rebrist.) J.M. Egger	Synonym		TRO
Castilleja pallida subsp. lapponica (Gand.) Á.Löve & D.Löve	Synonym		WCSP (in review)
Castilleja pallida var. lapponica (Gand. ex Rebrist.) J.M. Egger	Accepted		TRO
Castilleja pallida var. lutescens Greenm.	Synonym		WCSP (in review)
Castilleja pallida subsp. mexiae Pennell	Synonym		WCSP (in review)
Castilleja pallida var. miniata (Douglas ex Hook.) A.Gray	Synonym		WCSP (in review)
Castilleja pallida subsp. pavlovii (Rebr.) Á.Löve & D.Löve	Synonym		WCSP (in review)
Castilleja pallida var. rubra (Drobow)	Synonym		WCSP (in review)
Castilleja pallida subsp. saccata Pennell	Synonym		TRO
Castilleja pallida var. saccata (Pennell) J.M. Egger	Accepted		TRO
Castilleja pallida var. septentrionalis (Lindl.) A.Gray	Synonym		WCSP (in review)
Castilleja pallida subsp. septentrionalis (Lindl.) Scoggan	Synonym		WCSP (in review)
Castilleja pallida f. tincta (Cockerell) Cockerell	Synonym		WCSP (in review)
Castilleja pallida subsp. typica Pennell	Synonym		WCSP (in review)
Castilleja pallida var. unalaschcensis Cham. & Schltdl.	Unresolved		WCSP (in review)
Castilleja pallida var. unalaschkensis Cham. & Schltdl.	Synonym		TRO
Castilleja pallida var. yukonis (Pennell) J.M. Egger	Synonym		TRO
Castilleja palmeri Eastw.	Accepted		WCSP (in review)
Castilleja pannosa Eastw.	Synonym		WCSP (in review)
Castilleja papilionacea G.L.Nesom	Accepted		WCSP (in review)
Castilleja parviflora Bong.	Accepted		WCSP (in review)
Castilleja parviflora var. albida (Pennell) Ownbey	Accepted		WCSP (in review)
Castilleja parviflora var. californica (Abrams) Zeile	Synonym		WCSP (in review)
Castilleja parviflora var. douglasii (Benth.) Jeps.	Synonym		WCSP (in review)
Castilleja parviflora var. olympica (G.N.Jones) Ownbey	Accepted		WCSP (in review)
Castilleja parviflora var. oreopola (Greenm.) Ownbey	Accepted		WCSP (in review)
Castilleja parvula Rydb.	Accepted		WCSP (in review)
Castilleja parvula var. revealii (N.Holmgren) N.D.Atwood	Synonym		WCSP (in review)
Castilleja patriotica Fernald	Accepted		WCSP (in review)
Castilleja patriotica var. blumeri (Standl.) Kearney & Peebles	Synonym		WCSP (in review)
Castilleja pavlovii Rebrist.	Accepted		WCSP (in review)
Castilleja payneae Eastw.	Unresolved		WCSP (in review)
Castilleja peckiana Pennell	Accepted		WCSP (in review)
Castilleja pecten Rydb.	Synonym		WCSP (in review)
Castilleja pectinata M.Martens & Galeotti	Accepted		WCSP (in review)
Castilleja pectinata var. purpusii (Brandegee) J.M. Egger	Synonym		TRO
Castilleja pediaca Eastw.	Accepted		WCSP (in review)
Castilleja peirsonii Eastw.	Synonym		WCSP (in review)
Castilleja perelegans G.L.Nesom	Accepted		WCSP (in review)
Castilleja peruviana T.I.Chuang & Heckard	Accepted		WCSP (in review)
Castilleja pilifera A.Nelson	Synonym		WCSP (in review)
Castilleja pilosa (S.Watson) Rydb.	Accepted		WCSP (in review)
Castilleja pilosa var. inverta (A.Nelson & J.F.Macbr.) Greenm.	Synonym		WCSP (in review)
Castilleja pilosa subsp. jusselii (Eastw.) Munz	Synonym		WCSP (in review)
Castilleja pilosa var. longispica (A.Nelson) N.H.Holmgren	Accepted		WCSP (in review)
Castilleja pilosa var. steenensis (Pennell) N.H.Holmgren	Accepted		WCSP (in review)
Castilleja pinetorum Fernald	Synonym		WCSP (in review)
Castilleja pinetorum var. fragilis Zeile	Synonym		WCSP (in review)
Castilleja pinnata Sessé & Moç. [Unplaced]	Unresolved		WCSP (in review)
Castilleja plagiotoma A.Gray	Accepted		WCSP (in review)
Castilleja polytoma Eastw.	Synonym		WCSP (in review)
Castilleja porphyrosceptron G.L.Nesom	Accepted		WCSP (in review)
Castilleja × porterae Cockerell	Accepted		WCSP (in review)
Castilleja praeterita Heckard & Bacig.	Accepted		WCSP (in review)
Castilleja pratensis A.Heller	Synonym		WCSP (in review)
Castilleja pringlei Fernald	Accepted		WCSP (in review)
Castilleja profunda T.I.Chuang & Heckard	Accepted		WCSP (in review)
Castilleja pruinosa Fernald	Accepted		WCSP (in review)
Castilleja pruinosa subsp. gleasonii (Elmer) Munz	Unresolved		WCSP (in review)
Castilleja pseudohyperborea Rebrist.	Accepted		WCSP (in review)
Castilleja pseudopallescens Edwin	Accepted		WCSP (in review)
Castilleja psittacina (Eastw.) Pennell	Synonym		WCSP (in review)
Castilleja pterocaulon N.H.Holmgren	Accepted		WCSP (in review)
Castilleja puberula Rydb.	Accepted		WCSP (in review)
Castilleja pulchella Rydb.	Accepted		WCSP (in review)
Castilleja pulchella var. acutina E.H.Kelso	Synonym		WCSP (in review)
Castilleja pulcherrima Sessé & Moç. [Unplaced]	Unresolved		WCSP (in review)
Castilleja pumicicola Pennell	Synonym		WCSP (in review)
Castilleja pumila (Benth.) Wedd.	Accepted		WCSP (in review)
Castilleja purpurascens Greenm. [Unplaced]	Unresolved		WCSP (in review)
Castilleja purpurascens Rydb. [Illegitimate]	Synonym		WCSP (in review)
Castilleja purpurea (Nutt.) G.Don	Accepted		WCSP (in review)
Castilleja purpurea var. citrina (Pennell) Shinners	Accepted		WCSP (in review)
Castilleja purpurea f. corallina Waterf.	Synonym		WCSP (in review)
Castilleja purpurea var. lindheimeri (A.Gray) Shinners	Accepted		WCSP (in review)
Castilleja purpusii Brandegee	Accepted		WCSP (in review)
Castilleja pyramidalis Edwin	Synonym		WCSP (in review)
Castilleja quibellii Beane [Unplaced]	Unresolved		WCSP (in review)
Castilleja quiexobrensis G.L.Nesom	Accepted		WCSP (in review)
Castilleja quirosii Standl.	Accepted		WCSP (in review)
Castilleja racemosa (Breedlove & Heckard) T.I.Chuang & Heckard	Accepted		WCSP (in review)
Castilleja raupii Pennell	Accepted		WCSP (in review)
Castilleja raupii subsp. ursina Pennell	Synonym		WCSP (in review)
Castilleja remota Greene	Synonym		WCSP (in review)
Castilleja retrorsa Standl.	Synonym		WCSP (in review)
Castilleja revealii N.H.Holmgren	Accepted		WCSP (in review)
Castilleja rhexifolia Rydb.	Accepted		WCSP (in review)
Castilleja rhexifolia var. pubens A.Nelson & J.F.Macbr.	Synonym		WCSP (in review)
Castilleja rhexifolia var. sulphurea (Rydb.) N.D.Atwood	Synonym		WCSP (in review)
Castilleja rhizomata N.H.Holmgren	Accepted		WCSP (in review)
Castilleja rigida Eastw.	Accepted		WCSP (in review)
Castilleja roei Crosswh.	Accepted		WCSP (in review)
Castilleja roseana Eastw.	Synonym		WCSP (in review)
Castilleja rubicundula (Jeps.) T.I.Chuang & Heckard	Accepted		WCSP (in review)
Castilleja rubicundula var. lithospermoides (Benth.) J.M. Egger	Accepted		TRO
Castilleja rubida Piper	Accepted		WCSP (in review)
Castilleja rubida var. monoensis (Jeps.) Edwin	Synonym		WCSP (in review)
Castilleja rubiginosa J.F.Macbr. & Payson [Unplaced]	Unresolved		WCSP (in review)
Castilleja rubra (Drobow) Rebrist.	Accepted		WCSP (in review)
Castilleja rupicola Piper ex Fernald	Accepted		WCSP (in review)
Castilleja rustica Piper	Synonym		WCSP (in review)
Castilleja salsuginosa N.H.Holmgren	Accepted		WCSP (in review)
Castilleja saltensis Eastw.	Accepted		WCSP (in review)
Castilleja salticola Eastw.	Synonym		WCSP (in review)
Castilleja scabrida Eastw.	Accepted		WCSP (in review)
Castilleja scabrida var. barnebyana (Eastw.) N.H.Holmgren	Accepted		WCSP (in review)
Castilleja scabridula Eastw.	Synonym		WCSP (in review)
Castilleja schaffneri Hemsl.	Accepted		WCSP (in review)
Castilleja schaffneri var. cinerascens Eastw.	Synonym		WCSP (in review)
Castilleja schizotricha Greenm.	Accepted		WCSP (in review)
Castilleja schrenkii Rebrist.	Accepted		WCSP (in review)
Castilleja scorzonerifolia Kunth	Accepted		WCSP (in review)
Castilleja seibertii Pennell	Synonym		WCSP (in review)
Castilleja septentrionalis Lindl.	Accepted		WCSP (in review)
Castilleja septentrionalis var. micmacorum J.Rousseau	Synonym		WCSP (in review)
Castilleja serrata Loudon [Unplaced]	Unresolved		WCSP (in review)
Castilleja sessiliflora Pursh	Accepted		WCSP (in review)
Castilleja sessiliflora subsp. betheli Cockerell	Synonym		WCSP (in review)
Castilleja sessiliflora f. purpurina Pennell	Synonym		WCSP (in review)
Castilleja setosa Pennell	Synonym		WCSP (in review)
Castilleja shastense Eastw.	Unresolved		TRO
Castilleja sibirica Lindl.	Synonym		WCSP (in review)
Castilleja socorrensis Moran	Accepted		WCSP (in review)
Castilleja speciosa M.Martens & Galeotti	Synonym		WCSP (in review)
Castilleja sphaerostigma Eastw.	Accepted		WCSP (in review)
Castilleja spiralis Jeps.	Unresolved		WCSP (in review)
Castilleja spiranthoides Standl.	Accepted		WCSP (in review)
Castilleja steenensis Pennell	Synonym		WCSP (in review)
Castilleja stenantha A.Gray	Unresolved		WCSP (in review)
Castilleja stenantha subsp. spiralis (Jeps.) Munz	Unresolved		WCSP (in review)
Castilleja stenophylla M.E.Jones	Accepted		WCSP (in review)
Castilleja steyermarkii Pennell	Accepted		WCSP (in review)
Castilleja stipifolia G.L.Nesom	Accepted		WCSP (in review)
Castilleja stricta Benth.	Synonym		WCSP (in review)
Castilleja stricta Rydb. [Illegitimate]	Synonym		WCSP (in review)
Castilleja subalpina Eastw.	Accepted		WCSP (in review)
Castilleja subcinerea Rydb.	Synonym		WCSP (in review)
Castilleja subinclusa Greene	Accepted		WCSP (in review)
Castilleja subinclusa var. franciscana (Pennell) G.L.Nesom	Synonym		WCSP (in review)
Castilleja subinclusa subsp. franciscana (Pennell) T.I.Chuang & Heckard	Accepted		WCSP (in review)
Castilleja subinclusa var. jepsonii (Bacig. & Heckard) J.M. Egger	Synonym		TRO
Castilleja subpurpurascens Rydb. [Unplaced]	Unresolved		WCSP (in review)
Castilleja suksdorfii A.Gray	Accepted		WCSP (in review)
Castilleja sulphurea Rydb.	Accepted		WCSP (in review)
Castilleja taedifera Pennell	Synonym		WCSP (in review)
Castilleja talamancensis N.H.Holmgren	Accepted		WCSP (in review)
Castilleja tancitaroana G.L.Nesom	Accepted		WCSP (in review)
Castilleja tapeinoclada Loes.	Accepted		WCSP (in review)
Castilleja tapeinoclada var. hirta Loes.	Synonym		WCSP (in review)
Castilleja tapeinoclada var. subglabra Loes.	Synonym		WCSP (in review)
Castilleja tayloriorum N.H.Holmgren	Accepted		WCSP (in review)
Castilleja tenella Rebrist.	Accepted		WCSP (in review)
Castilleja tenuiflora Benth.	Accepted		WCSP (in review)
Castilleja tenuiflora var. tancitaroana (G.L. Nesom) J.M. Egger	Synonym		TRO
Castilleja tenuiflora var. xylorrhiza (Eastw.) G.L.Nesom	Accepted		WCSP (in review)
Castilleja tenuifolia M.Martens & Galeotti	Accepted		WCSP (in review)
Castilleja tenuis (A. Heller) T.I. Chuang & Heckard	Accepted		TRO
Castilleja thompsonii Pennell	Accepted		WCSP (in review)
Castilleja toluccensis Kunth	Accepted		WCSP (in review)
Castilleja toluccensis Cham. & Schltdl. [Illegitimate]	Synonym		WCSP (in review)
Castilleja tomentosa A.Gray	Synonym		WCSP (in review)
Castilleja tortifolia Pennell	Synonym		WCSP (in review)
Castilleja trainii Edwin	Synonym		WCSP (in review)
Castilleja trifida Willd. ex Walp.	Synonym		WCSP (in review)
Castilleja trifida Willd. ex Melch.	Synonym		TRO
Castilleja trinervis Rydb.	Unresolved		WCSP (in review)
Castilleja trisecta Greene	Synonym		WCSP (in review)
Castilleja tristis W. Wight ex Standl.	Unresolved		TRO
Castilleja tristis var. pubens W. Wight ex Standl.	Synonym		TRO
Castilleja trujillensis Pennell	Accepted		WCSP (in review)
Castilleja tweedyi Rydb.	Synonym		WCSP (in review)
Castilleja uliginosa Eastw.	Accepted		WCSP (in review)
Castilleja unalaschcensis (Cham. & Schltdl.) Malte	Accepted		WCSP (in review)
Castilleja vadosa T.I.Chuang & Heckard	Accepted		WCSP (in review)
Castilleja variabilis Rydb.	Synonym		WCSP (in review)
Castilleja variocolorata A.P.Khokhr.	Accepted		WCSP (in review)
Castilleja venusta Rzed.	Accepted		WCSP (in review)
Castilleja victoriae Fairbarns & J.M.Egger	Accepted		WCSP (in review)
Castilleja villicaulis Pennell & Ownbey	Synonym		WCSP (in review)
Castilleja villosa Rydb. [Unplaced]	Unresolved		WCSP (in review)
Castilleja villosissima Pennell	Synonym		WCSP (in review)
Castilleja virgata Dombey ex Wedd.	Accepted		WCSP (in review)
Castilleja virgata (Wedd.) Edwin	Unresolved		TRO
Castilleja virgatoides Edwin	Unresolved		TRO
Castilleja virgayoides Edwin	Accepted		WCSP (in review)
Castilleja viscida Rydb.	Synonym		WCSP (in review)
Castilleja viscidula A.Gray	Accepted		WCSP (in review)
Castilleja vreelandii Rydb.	Synonym		WCSP (in review)
Castilleja wallowensis Pennell	Accepted		WCSP (in review)
Castilleja wherryana Pennell	Synonym		WCSP (in review)
Castilleja wightii Elmer	Accepted		WCSP (in review)
Castilleja wightii subsp. anacapensis (Dunkle) Pennell	Synonym		WCSP (in review)
Castilleja wightii subsp. inflata (Pennell) Munz	Synonym		WCSP (in review)
Castilleja wightii subsp. litoralis (Pennell) Munz	Synonym		WCSP (in review)
Castilleja wightii subsp. rubra Pennell	Synonym		WCSP (in review)
Castilleja williamsii Pennell	Synonym		WCSP (in review)
Castilleja wootonii Standl.	Accepted		WCSP (in review)
Castilleja wyomingensis Rydb.	Synonym		WCSP (in review)
Castilleja xanthotricha Pennell	Accepted		WCSP (in review)
Castilleja xylorrhiza Eastw.	Synonym		WCSP (in review)
Castilleja yukonis Pennell	Accepted		WCSP (in review)
Castilleja zempoaltepetlensis G.L.Nesom	Accepted		WCSP (in review)
Castilleja zionis Eastw.	Synonym		WCSP (in review)