Rock Garden Plant Database - SynonymsPenstemon


Penstemon amoenus	Penstemon venustus Douglas sect. Saccanthera
Penstemon amplexicaulis	Penstemon buckleyi Pennell sect. Coerulei
Penstemon amplexicaulis	Penstemon hirsutus (L.) Willd. sect. Penstemon
Penstemon argutus	Penstemon serrulatus Menzies sect. Saccanthera
Penstemon arizonicus	Penstemon whippleanus A.Gray sect. Penstemon
Penstemon assurgens	Penstemon militaris Greene sect. Penstemon
Penstemon bakeri	Penstemon hallii A.Gray sect. Glabri
Penstemon bridgesii	Penstemon rostriflorus Kellogg sect. Bridgesiani
Penstemon cacuminus	Penstemon formosus A.Nelson sect. Penstemon
Penstemon caelestinus	Penstemon albertinus Greene sect. Penstemon
Penstemon caeruleus	Penstemon angustifolius Nutt. ex Pursh sect. Coerulei
Penstemon cephalanthus	Penstemon attenuatus Douglas sect. Penstemon
Penstemon cinerascens	Penstemon roezlii Regel sect. Saccanthera
Penstemon cinereus	Penstemon humilis Nutt. ex A.Gray sect. Penstemon
Penstemon collinus	Penstemon humilis Nutt. ex A.Gray sect. Penstemon
Penstemon corymbosus	Keckiella corymbosa (Benth. ex A,DC.) Straw
Penstemon crassifolius	Penstemon fruticosus (Pursh) Greene sect. Erianthera
Penstemon cristatus	Penstemon eriantherus Nutt. ex Pursh sect. Cristati
Penstemon decurvus	Penstemon humilis Nutt. ex A.Gray sect. Penstemon
Penstemon depressus	Penstemon confertus Douglas sect. Penstemon
Penstemon deserticola	Penstemon speciosus Douglas sect. Glabri
Penstemon desertorum	Penstemon calcareus Brandegee sect. Cristati
Penstemon diffusus	Penstemon serrulatus Menzies sect. Saccanthera
Penstemon divergens	Penstemon monoensis A.Heller sect. Cristati
Penstemon eastwoodiae	Penstemon utahensis Eastw. sect. Gentianoides
Penstemon erosus	Penstemon rydbergii A.Nelson sect. Penstemon
Penstemon filifolius	Penstemon laricifolius Hook. & Arn. sect. Cristati
Penstemon frutescens	Pennellianthus frutescens (Lamb.) Crosswh. trib. Cheloneae
Penstemon garrettii	Penstemon scariosus Pennell sect. Glabri
Penstemon geniculatus	Penstemon heterodoxus A.Gray sect. Penstemon
Penstemon glastifolius	Penstemon heterodoxus A.Gray sect. Penstemon
Penstemon glaucifolius	Penstemon azureus Benth. sect. Saccanthera
Penstemon glaucus	Penstemon gracilis Nutt. sect. Penstemon
Penstemon gordonianus	Penstemon glaber Pursh sect. Glabri
Penstemon gordonii	Penstemon glaber Pursh sect. Glabri
Penstemon grandiflorus	Penstemon bradburyi Pursh sect. Coerulei
Penstemon hansonii	Penstemon cobaea Nutt. sect. Cristati
Penstemon helleri	Penstemon triflorus A.Heller sect. Cristati
Penstemon heterophyllus	Penstemon sepalulus A.Nelson sect. Saccanthera
Penstemon hians	Penstemon gairdneri Hook. sect. Penstemon
Penstemon ilicifolius	Penstemon deustus Douglas sect. Penstemon
Penstemon incanus	Penstemon pumilus Nutt. sect. Cristati
Penstemon intonsus	Keckiella corymbosa (Benth. ex A,DC.) Straw
Penstemon jacintensis	Keckiella jacintensis (Abrams) P.M.Sl.
Penstemon jaffrayanus	Penstemon azureus Benth. sect. Saccanthera
Penstemon kennedyi	Penstemon speciosus Douglas sect. Glabri
Penstemon kunthii	Penstemon roseus (Cerv. ex Sweet) G.Don sect. Campanulati
Penstemon lassenianus	Penstemon confertus Douglas sect. Penstemon
Penstemon latifolius	Penstemon hirsutus (L.) Willd. sect. Penstemon
Penstemon latiusculus	Penstemon rydbergii A.Nelson sect. Penstemon
Penstemon leptanthus	Penstemon tidestromii Pennell sect. Glabri
Penstemon leucanthus	Penstemon heterophyllus Lindl. sect. Saccanthera
Penstemon lewisii	Penstemon fruticosus (Pursh) Greene sect. Erianthera
Penstemon linearifolius	Penstemon lyallii (A.Gray) A.Gray sect. Erianthera
Penstemon lineolatus	Penstemon radicosus A.Nelson sect. Penstemon
Penstemon macbridei	Penstemon cusickii A.Gray sect. Saccanthera
Penstemon magnus	Penstemon alpinus Torr. sect. Glabri
Penstemon maguirei	Penstemon arenarius Greene sect. Penstemon
Penstemon menziesii	Penstemon fruticosus (Pursh) Greene sect. Erianthera
Penstemon micranthus	Penstemon procerus Douglas ex Graham sect. Penstemon
Penstemon micranthus	Penstemon strictus Benth. sect. Glabri
Penstemon minidokanus	Penstemon perpulcher A.Nelson sect. Glabri
Penstemon minor	Penstemon anguineus Eastw. sect. Penstemon
Penstemon multicaulis	Penstemon arkansanus Pennell sect. Penstemon
Penstemon nelsoniae	Penstemon attenuatus Douglas sect. Penstemon
Penstemon nyeensis	Penstemon kingii S.Watson sect. Saccanthera
Penstemon oreophilus	Penstemon alpinus Torr. sect. Glabri
Penstemon owenii	Penstemon pseudoprocerus Rydb. sect. Penstemon
Penstemon pallescens	Penstemon whippleanus A.Gray sect. Penstemon
Penstemon pandus	Penstemon perpulcher A.Nelson sect. Glabri
Penstemon paniculatus	Penstemon variabilis Suksd. sect. Penstemon
Penstemon parviflorus	Penstemon auriberbis Pennell sect. Cristati
Penstemon paysonii	Penstemon moffatii Eastw. sect. Cristati
Penstemon phlogifolius	Penstemon watsonii A.Gray sect. Penstemon
Penstemon pilifer	Penstemon speciosus Douglas sect. Glabri
Penstemon pilosigulatus	Penstemon ophianthus Pennell sect. Cristati
Penstemon pinetorum	Penstemon wilcoxii Rydb. sect. Penstemon
Penstemon pringlei	Penstemon dasyphyllus A.Gray sect. Chamaeleon
Penstemon productus	Penstemon rydbergii A.Nelson sect. Penstemon
Penstemon propinquus	Penstemon pseudoprocerus Rydb. sect. Penstemon
Penstemon pseudohumilis	Penstemon marcusii (D.D.Keck) N.H.Holmgren sect. Cristati
Penstemon pseudohumilis	Penstemon pseudoprocerus Rydb. sect. Penstemon
Penstemon puberulentus	Penstemon oreganus (A.Gray) Howell sect. Penstemon
Penstemon puberulus	Penstemon metcalfei Wooton & Standl. sect. Penstemon
Penstemon pubescens	Penstemon hirsutus (L.) Willd. sect. Penstemon
Penstemon pulchellus	Penstemon formosus A.Nelson sect. Penstemon
Penstemon puniceus	Penstemon superbus A.Nelson sect. Gentianoides
Penstemon recurvatus	Penstemon oreocharis Greene sect. Penstemon
Penstemon riparius	Penstemon glaber Pursh sect. Glabri
Penstemon rothrockii	Keckiella rothrockii (A.Gray) Straw
Penstemon saliens	Penstemon eriantherus Nutt. ex Pursh sect. Cristati
Penstemon scabridus	Keckiella rothrockii (A.Gray) Straw
Penstemon scoparius	Penstemon thurberi Torr. sect. Ambigui
Penstemon scrophularioides	Penstemon grinnellii Eastw. sect. Spectabiles
Penstemon shantzii	Penstemon parryi (A.Gray) A.Gray sect. Gentianoides
Penstemon shockleyi	Keckiella rothrockii (A.Gray) Straw
Penstemon similis	Penstemon jamesii Benth. sect. Cristati
Penstemon spicatus	Penstemon procerus Douglas ex Graham sect. Penstemon
Penstemon spinulosus	Penstemon heterophyllus Lindl. sect. Saccanthera
Penstemon stenosepalus	Penstemon whippleanus A.Gray sect. Penstemon
Penstemon suffrutescens	Penstemon crandallii A.Nelson sect. Caespitosi
Penstemon suffruticosus	Penstemon venustus Douglas sect. Saccanthera
Penstemon tenellus	Penstemon azureus Benth. sect. Saccanthera
Penstemon teretifolius	Penstemon albidus Nutt. sect. Cristati
Penstemon themisteri	Penstemon serrulatus Menzies sect. Saccanthera
Penstemon tinctus	Penstemon procerus Douglas ex Graham sect. Penstemon
Penstemon truncatus	Penstemon cinicola D.D.Keck sect. Penstemon
Penstemon tusharensis	Penstemon xylus A.Nelson sect. Caespitosi
Penstemon tweedyi	Chionophila tweedyi (Canby & Rose) L.F.Hend. trib. Cheloneae
Penstemon unilateralis	Penstemon secundiflorus Benth. sect. Coerulei
Penstemon utahensis	Penstemon subglaber Rydb. sect. Glabri
Penstemon vaseyanus	Penstemon oreocharis Greene sect. Penstemon
Penstemon veronicifolius	Penstemon attenuatus Douglas sect. Penstemon
Penstemon violaceus	Penstemon roezlii Regel sect. Saccanthera
Penstemon viscidulus	Penstemon albidus Nutt. sect. Cristati
Penstemon washoensis	Penstemon confertus Douglas sect. Penstemon
Penstemon wherryi	Penstemon arkansanus Pennell sect. Penstemon
Penstemon wisconsinensis	Penstemon gracilis Nutt. sect. Penstemon
Penstemon woodsii	Penstemon montanus Greene sect. Erianthera