More Genus entries
[ Pennisetum ] [ Penstemon ] [ Pentabothra ]

Vernacular names of plants within the Genus Penstemon

Hierarchical position of the Genus Penstemon

Regnum  Plantae common name: The plant kingdom       Divisio  Magnoliophyta Cronquist syn. Angiospermophyta / Anthophyta pub. Takht. & Zimmerm. ex Reveal, Phytologia 79: 70. 29 Apr 1996. common name: angiosperms, flowering plants       Subdivisio  Magnoliophytina Frohne & U. Jensen ex Reveal pub. Phytologia 79: 70. 29 Apr 1996. common name: Angiosperms       Classis  Rosopsida Batsch pub. Dispos. Gen. Pl. Jenens.: 28. 1788.       Subclassis  Lamiidae Takht. ex Reveal pub. Phytologia 74: 178. 25 Mar 1993.       SuperOrdo  Lamianae Takht. pub. Sist. Filog. Cvetk. Rast.: 405. Jan-Mar 1967.       Ordo  Lamiales Bromhead pub. Mag. Nat. Hist., ser. 2, 2: 210. Apr 1838.       Familia  Scrophulariaceae Juss. pub. Gen. Pl.: 117. 4 Aug 1789. common name: Figworts       Genus  Penstemon Schmidel common name: beardtongue

Named members of the Genus Penstemon

1	Species  abietinus Pennell common name: firleaf beardtongue
2	Species  absarokensis Evert common name: Absaroka Range beardtongue
3	Species  acaulis L.O. Williams
	4    Varietas  yampaensis (Penl.) Neese syn. Penstemon yampaensis
5	Species  acuminatus Dougl. ex Lindl.
	6    Varietas  acuminatus common name: sharpleaf penstemon 7    Varietas  latebracteatus N. Holmgren common name: sharpleaf penstemon
8	Species  aggregatus Pennell syn. Penstemon rydbergii var. aggregatus
9	Species  alamosensis Pennell & Nisbet common name: Los Alamos beardtongue
10	Species  albertinus Greene common name: Alberta beardtongue
11	Species  albidus Nutt. common name: white penstemon
12	Species  albifluvis England syn. Penstemon scariosus var. albifluvis
13	Species  albomarginatus M.E. Jones common name: whitemargin beardtongue
14	Species  alluviorum Pennell common name: lowland beardtongue
15	Species  alpinus Torr.
	16    Subspecies  brandegeei (Porter) Penl. syn. Penstemon glaber var. brandegeei 17    Subspecies  magnus (Pennell) Harrington syn. Penstemon glaber var. glaber
18	Species  ambiguus Torr.
	19    Varietas  ambiguus common name: gilia beardtongue 20    Subspecies  laevissimus Keck syn. Penstemon ambiguus var. laevissimus 21    Varietas  laevissimus (Keck) N. Holmgren common name: pink plains beardtongue
22	Species  ammophilus N. Holmgren & L. Shultz common name: sandloving penstemon
23	Species  anguineus Eastw. common name: Siskiyou beardtongue
24	Species  angustifolius Nutt. ex Pursh
	25    Varietas  angustifolius common name: broadbeard beardtongue 26    Subspecies  caudatus (Heller) Keck syn. Penstemon angustifolius var. caudatus 27    Varietas  caudatus (Heller) Rydb. common name: broadbeard beardtongue 28    Varietas  dulcis Neese common name: broadbeard beardtongue 29    Subspecies  venosus Keck syn. Penstemon angustifolius var. venosus 30    Varietas  venosus (Keck) N. Holmgren common name: broadbeard beardtongue 31    Varietas  vernalensis N. Holmgren common name: broadbeard beardtongue
32	Species  antirrhinoides Benth.
	33    Subspecies  microphyllus (Gray) Keck syn. Keckiella antirrhinoides ssp. microphylla
34	Species  arenarius Greene common name: Nevada sanddune beardtongue
35	Species  arenicola A. Nels. common name: sand penstemon
36	Species  aridus Rydb. common name: stiffleaf penstemon
37	Species  arkansanus Pennell
	38    Varietas  pubescens Pennell syn. Penstemon pallidus
39	Species  assurgens Keck syn. Penstemon attenuatus var. militaris
40	Species  attenuatus Dougl. ex Lindl.
	41    Varietas  attenuatus common name: sulphur penstemon 42    Subspecies  militaris (Greene) Keck syn. Penstemon attenuatus var. militaris 43    Varietas  militaris (Greene) Cronq. common name: South Idaho penstemon 44    Subspecies  palustris (Pennell) Keck syn. Penstemon attenuatus var. palustris 45    Varietas  palustris (Pennell) Cronq. common name: sulphur beardtongue 46    Subspecies  pseudoprocerus (Rydb.) Keck syn. Penstemon attenuatus var. pseudoprocerus 47    Varietas  pseudoprocerus (Rydb.) Cronq. common name: small penstemon
48	Species  atwoodii Welsh common name: Kaiparowits beardtongue
49	Species  auriberbis Pennell common name: Colorado beardtongue
50	Species  australis Small
	51    Varietas  ameles Crosswhite syn. Penstemon laxiflorus 52    Subspecies  laxiflorus (Pennell) Bennett syn. Penstemon laxiflorus
53	Species  azureus Benth.
	54    Subspecies  angustissimus (Gray) Keck common name: azure penstemon 55    Varietas  angustissimus Gray syn. Penstemon azureus ssp. angustissimus 56    Subspecies  azureus common name: azure penstemon 57    Varietas  parvulus Gray syn. Penstemon azureus ssp. azureus
58	Species  baccharifolius Hook. common name: baccharisleaf beardtongue, rock penstemon
59	Species  barbatus (Cav.) Roth common name: scarlet bugler, beardlip penstemon
	60    Subspecies  barbatus common name: beardlip penstemon 61    Varietas  puberulus Gray syn. Penstemon barbatus ssp. barbatus 62    Subspecies  torreyi (Benth.) Keck common name: Torrey's penstemon 63    Varietas  torreyi (Benth.) Gray syn. Penstemon barbatus ssp. torreyi 64    Subspecies  trichander (Gray) Keck common name: beardlip penstemon 65    Varietas  trichander Gray syn. Penstemon barbatus ssp. trichander
66	Species  barnebyi N. Holmgren common name: White River Valley beardtongue
67	Species  barrettiae Gray common name: Barrett's beardtongue
68	Species  bicolor (Brandeg.) Clokey & Keck
	69    Subspecies  bicolor common name: pinto beardtongue 70    Subspecies  roseus Clokey & Keck common name: pinto beardtongue
71	Species  bracteatus Keck common name: Red Canyon beardtongue
72	Species  bradburii Pursh syn. Penstemon grandiflorus
73	Species  brandegeei (Porter) Porter ex Rydb. syn. Penstemon glaber var. brandegeei
74	Species  brevibarbatus Crosswhite syn. Penstemon jamesii
75	Species  breviculus (Keck) Nisbet & R.C. Jackson common name: shortstem beardtongue
76	Species  breviflorus Lindl.
	77    Subspecies  glabrisepalus Keck syn. Keckiella breviflora ssp. glabrisepala
78	Species  brevisepalus Pennell syn. Penstemon pallidus
79	Species  bridgesii Gray
	80    Varietas  amplexicaulis Monnet syn. Penstemon rostriflorus
81	Species  brittoniorum Pennell syn. Penstemon canescens
82	Species  bryantiae Keck common name: Bryant's beardtongue
83	Species  buckleyi Pennell common name: Buckley's beardtongue
84	Species  caesius Gray common name: San Bernardino beardtongue
85	Species  caespitosus Nutt. ex Gray
	86    Varietas  caespitosus common name: mat penstemon 87    Subspecies  desertipicti (A. Nels.) Keck syn. Penstemon caespitosus var. desertipicti 88    Varietas  desertipicti (A. Nels.) N. Holmgren common name: mat penstemon 89    Subspecies  perbrevis Pennell syn. Penstemon caespitosus var. perbrevis 90    Varietas  perbrevis (Pennell) N. Holmgren common name: mat penstemon 91    Varietas  suffruticosus Gray syn. Penstemon tusharensis
92	Species  calcareus Brandeg. common name: limestone beardtongue
93	Species  californicus (Munz & Johnston) Keck common name: California penstemon
94	Species  calycosus Small common name: longsepal beardtongue
95	Species  campanulatus (Cav.) Willd. common name: bellflower beardtongue
96	Species  canescens (Britt.) Britt.
	97    Varietas  brittoniorum (Pennell) Pennell syn. Penstemon canescens 98    Varietas  typicus Pennell syn. Penstemon canescens
99	Species  cardinalis Woot. & Standl.
	100    Subspecies  cardinalis common name: cardinal beardtongue 101    Subspecies  regalis (A. Nels.) Nisbet & R.C. Jackson common name: cardinal beardtongue
102	Species  cardwellii T.J. Howell common name: Cardwell's beardtongue
103	Species  carnosus Pennell common name: fleshy beardtongue
104	Species  caryi Pennell common name: Cary's beardtongue
105	Species  caudatus Heller syn. Penstemon angustifolius var. caudatus
106	Species  centranthifolius Benth. common name: scarlet bugler
107	Species  cinerascens Greene ex C.F. Baker syn. Penstemon roezlii
108	Species  cinereus Piper
	109    Varietas  foliatus Keck syn. Penstemon humilis ssp. humilis
110	Species  cinicola Keck common name: ash penstemon
111	Species  cleburnei M.E. Jones syn. Penstemon eriantherus var. cleburnei
112	Species  clevelandii Gray
	113    Subspecies  clevelandii common name: Cleveland's beardtongue 114    Subspecies  connatus (Munz & Johnston) Keck common name: San Jacinto beardtongue 115    Varietas  connatus Munz & Johnston syn. Penstemon clevelandii ssp. connatus 116    Subspecies  mohavensis Keck common name: Cleveland's beardtongue 117    Varietas  mohavensis (Keck) McMinn syn. Penstemon clevelandii ssp. mohavensis
118	Species  clutei A. Nels. common name: Sunset Crater beardtongue
119	Species  cobaea Nutt.
	120    Subspecies  purpureus (Pennell) Pennell syn. Penstemon cobaea 121    Varietas  purpureus Pennell syn. Penstemon cobaea 122    Subspecies  typicus Pennell syn. Penstemon cobaea
123	Species  coloradoensis A. Nels. syn. Penstemon linarioides ssp. coloradoensis
124	Species  comarrhenus Gray common name: dusty beardtongue
125	Species  compactus (Keck) Crosswhite common name: compact penstemon
126	Species  concinnus Keck common name: Tunnel Springs beardtongue
127	Species  confertus Dougl. ex Lindl.
	128    Subspecies  procerus (Dougl. ex Graham) D.V. Clark syn. Penstemon procerus var. procerus 129    Varietas  procerus (Dougl. ex Graham) Coville syn. Penstemon procerus var. procerus
130	Species  confusus M.E. Jones
	131    Subspecies  patens (M.E. Jones) Keck syn. Penstemon patens
132	Species  congestus (M.E. Jones) Pennell syn. Penstemon pachyphyllus var. congestus
133	Species  cordifolius Benth. syn. Keckiella cordifolia
134	Species  corymbosus Benth. ex A. DC. syn. Keckiella corymbosa
135	Species  crandallii A. Nels.
	136    Subspecies  atratus Keck common name: Crandall's beardtongue 137    Varietas  atratus (Keck) N. Holmgren syn. Penstemon crandallii ssp. atratus 138    Subspecies  crandallii common name: Crandall's beardtongue 139    Subspecies  glabrescens (Pennell) Keck common name: Crandall's beardtongue 140    Subspecies  procumbens (Greene) Keck common name: Crandall's beardtongue 141    Subspecies  taosensis (Keck) Kartesz & Gandhi common name: Taos penstemon 142    Varietas  taosensis (Keck) Nisbet & R.C. Jackson syn. Penstemon crandallii ssp. taosensis
143	Species  cusickii Gray common name: Cusick's beardtongue
144	Species  cyananthus Hook.
	145    Subspecies  compactus Keck syn. Penstemon compactus 146    Varietas  compactus (Keck) Neese syn. Penstemon compactus 147    Varietas  cyananthus common name: Wasatch beardtongue 148    Subspecies  longiflorus Pennell syn. Penstemon longiflorus 149    Varietas  longiflorus (Pennell) Neese syn. Penstemon longiflorus 150    Subspecies  subglaber (Gray) Pennell syn. Penstemon cyananthus var. subglaber 151    Varietas  subglaber (Gray) N. Holmgren common name: Wasatch beardtongue
152	Species  cyaneus Pennell common name: blue penstemon
153	Species  cyanocaulis Payson common name: bluestem beardtongue
154	Species  cyathophorus Rydb. common name: sagebrush beardtongue
155	Species  dasyphyllus Gray common name: Cochise beardtongue
156	Species  davidsonii Greene
	157    Varietas  davidsonii common name: Davidson's penstemon 158    Varietas  ellipticus (Coult. & Fisher) Boivin syn. Penstemon ellipticus 159    Subspecies  menziesii Keck syn. Penstemon davidsonii var. menziesii 160    Varietas  menziesii (Keck) Cronq. common name: Menzies' penstemon 161    Varietas  praeteritus Cronq. common name: timberline beardtongue
162	Species  deamii Pennell common name: Deam's beardtongue
163	Species  deaveri Crosswhite common name: Mt. Graham beardtongue
164	Species  debilis O'Kane & J. Anderson common name: Parachute beardtongue
165	Species  decurvus Pennell ex Crosswhite syn. Penstemon humilis ssp. humilis
166	Species  degeneri Crosswhite common name: Degener's beardtongue
167	Species  deustus Dougl. ex Lindl.
	168    Varietas  deustus common name: scabland penstemon 169    Subspecies  heterander (Torr. & Gray) Pennell & Keck syn. Penstemon deustus var. pedicellatus 170    Varietas  heterander (Torr. & Gray) Cronq. syn. Penstemon deustus var. pedicellatus 171    Varietas  pedicellatus M.E. Jones common name: scabland penstemon 172    Subspecies  sudans (M.E. Jones) Pennell & Keck syn. Penstemon sudans 173    Varietas  suffrutescens L. Henderson common name: scabland penstemon 174    Subspecies  variabilis (Suksdorf) Pennell & Keck syn. Penstemon deustus var. variabilis 175    Varietas  variabilis (Suksdorf) Cronq. common name: scabland penstemon
176	Species  digitalis Nutt. ex Sims common name: talus slope penstemon, foxglove beardstongue
177	Species  diphyllus Rydb. common name: twoleaf beardtongue
178	Species  discolor Keck common name: Cataiina beardtongue
179	Species  dissectus Ell. common name: dissected beardtongue
180	Species  distans N. Holmgren common name: Mt. Tumbull beardtongue
181	Species  dolius M.E. Jones ex Pennell
	182    Varietas  dolius common name: Jones' beardtongue 183    Varietas  duchesnensis N. Holmgren common name: Duchesne penstemon
184	Species  duchesnensis (N. Holmgren) Neese syn. Penstemon dolius var. duchesnensis
185	Species  eatonii Gray common name: firecracker penstemon
	186    Subspecies  eatonii common name: Eaton's penstemon 187    Subspecies  exsertus (A. Nels.) Keck common name: Eaton's penstemon 188    Subspecies  undosus (M.E. Jones) Keck common name: Eaton's penstemon 189    Varietas  undosus M.E. Jones syn. Penstemon eatonii ssp. undosus
190	Species  elegantulus Pennell common name: rockvine penstemon
191	Species  ellipticus Coult. & Fisher common name: rocky ledge penstemon
192	Species  eriantherus Pursh
	193    Varietas  argillosus M.E. Jones common name: fuzzytongue penstemon 194    Varietas  cleburnei (M.E. Jones) Dorn common name: Cleburn's penstemon 195    Varietas  eriantherus common name: fuzzytongue penstemon 196    Varietas  redactus Pennell & Keck common name: longsac penstemon 197    Varietas  whitedii (Piper) A. Nels. common name: Whited's penstemon
198	Species  euglaucus English common name: glaucous beardtongue
199	Species  fendleri Torr. & Gray common name: Fendler's penstemon
200	Species  filiformis (Keck) Keck common name: threadleaf beardtongue
201	Species  flavescens Pennell common name: high mountain penstemon
202	Species  floribundus D. Danley common name: Cordillia's beardtongue
203	Species  floridus Brandeg.
	204    Subspecies  austinii (Eastw.) Keck syn. Penstemon floridus var. austinii 205    Varietas  austinii (Eastw.) N. Holmgren common name: Austin's beardtongue 206    Varietas  floridus common name: Panamint beardtongue
207	Species  flowersii Neese & Welsh common name: Flowers' beardtongue
208	Species  francisci-pennellii Crosswhite syn. Penstemon leiophyllus var. francisci-pennellii
209	Species  franklinii Welsh common name: Franklin's penstemon
210	Species  fremontii Torr. & Gray ex Gray
	211    Varietas  fremontii common name: Fremont's beardtongue 212    Varietas  glabrescens Dorn & Lichvar common name: Fremont's beardtongue
213	Species  fruticiformis Coville
	214    Subspecies  amargosae Keck common name: Death Valley beardtongue 215    Varietas  amargosae (Keck) N. Holmgren syn. Penstemon fruticiformis ssp. amargosae 216    Subspecies  fruticiformis common name: Death Valley beardtongue
217	Species  fruticosus (Pursh) Greene
	218    Varietas  fruticosus common name: bush penstemon 219    Subspecies  scouleri (Lindl.) Pennell & Keck syn. Penstemon fruticosus var. scouleri 220    Varietas  scouleri (Lindl.) Cronq. common name: littleleaf bush penstemon 221    Subspecies  serratus Keck syn. Penstemon fruticosus var. serratus 222    Varietas  serratus (Keck) Cronq. common name: sawleaf bush penstemon
223	Species  gairdneri Hook.
	224    Varietas  gairdneri common name: Gairdner's beardtongue 225    Subspecies  hians (Piper) Keck syn. Penstemon gairdneri var. gairdneri 226    Varietas  hians Piper syn. Penstemon gairdneri var. gairdneri 227    Subspecies  oreganus (Gray) Keck syn. Penstemon gairdneri var. oreganus 228    Varietas  oreganus Gray common name: Gairdner's beardtongue
229	Species  garrettii Pennell syn. Penstemon scariosus var. garrettii
230	Species  gibbensii Dorn common name: Gibbens' beardtongue
231	Species  glaber Pursh
	232    Varietas  alpinus (Torr.) Gray common name: alpine sawsepal penstemon 233    Varietas  brandegeei (Porter) Freeman common name: Brandegee's penstemon 234    Varietas  glaber common name: sawsepal penstemon
235	Species  glandulosus Dougl.
	236    Subspecies  chelanensis Keck syn. Penstemon glandulosus var. chelanensis 237    Varietas  chelanensis (Keck) Cronq. common name: stickystem penstemon 238    Varietas  glandulosus common name: stickystem penstemon
239	Species  glaucinus Pennell common name: blueleaf beardtongue
240	Species  globosus (Piper) Pennell & Keck common name: globe penstemon
241	Species  goodrichii N. Holmgren common name: Lapoint beardtongue
242	Species  gormanii Greene common name: Gorman's beardtongue
243	Species  gracilentus Gray common name: slender penstemon
244	Species  gracilis Nutt.
	245    Varietas  gracilis common name: lilac penstemon 246    Subspecies  wisconsinensis (Pennell) Pennell syn. Penstemon gracilis var. wisconsinensis 247    Varietas  wisconsinensis (Pennell) Fassett common name: Wisconsin penstemon
248	Species  grahamii Keck common name: Uinta Basin beardtongue
249	Species  grandiflorus Nutt. common name: large beardtongue
250	Species  griffinii A. Nels. common name: Griffin's beardtongue
251	Species  grinnellii Eastw.
	252    Subspecies  grinnellii common name: Grinnell's beardtongue 253    Subspecies  scrophularioides (M.E. Jones) Munz common name: Grinnell's beardtongue 254    Varietas  scrophularioides (M.E. Jones) N. Holmgren syn. Penstemon grinnellii ssp. scrophularioides
255	Species  guadalupensis Heller
	256    Varietas  ernstii (Pennell) Cory syn. Penstemon guadalupensis
257	Species  hallii Gray common name: Hall's beardtongue
258	Species  harbourii Gray common name: Harbour's beardtongue
259	Species  harringtonii Penl. common name: Harrington's beardtongue
260	Species  hartwegii Benth. common name: Hartweg's beardtongue
261	Species  havardii Gray common name: Big Bend beardtongue
262	Species  haydenii S. Wats. common name: blowout beardtongue
263	Species  helleri Small syn. Penstemon triflorus ssp. integrifolius
264	Species  hesperius M.E. Peck syn. Penstemon rydbergii var. rydbergii
265	Species  heterodoxus Gray
	266    Subspecies  cephalophorus (Greene) Keck syn. Penstemon heterodoxus var. cephalophorus 267    Varietas  cephalophorus (Greene) N. Holmgren common name: Sierra beardtongue 268    Varietas  heterodoxus common name: Sierra beardtongue 269    Varietas  shastensis (Keck) N. Holmgren common name: Shasta beardtongue
270	Species  heterophyllus Lindl.
	271    Subspecies  australis (Munz & Johnston) Keck common name: foothill beardtongue 272    Varietas  australis Munz & Johnston syn. Penstemon heterophyllus ssp. australis 273    Subspecies  heterophyllus common name: bunchleaf penstemon 274    Subspecies  purdyi Keck common name: Purdy's penstemon 275    Varietas  purdyi (Keck) McMinn syn. Penstemon heterophyllus ssp. purdyi
276	Species  hirsutus (L.) Willd.
	277    Varietas  minimus Bennett syn. Penstemon hirsutus 278    Varietas  pygmaeus Bennett syn. Penstemon hirsutus
279	Species  holmgrenii S. Clark syn. Penstemon cyananthus var. subglaber
280	Species  humilis Nutt. ex Gray
	281    Subspecies  brevifolius (Gray) Keck common name: low beardtongue 282    Varietas  brevifolius Gray syn. Penstemon humilis ssp. brevifolius 283    Varietas  deserticus Welsh syn. Penstemon humilis ssp. humilis 284    Subspecies  humilis common name: low beardtongue 285    Subspecies  obtusifolius (Pennell) Keck common name: low beardtongue 286    Varietas  obtusifolius (Pennell) Reveal syn. Penstemon humilis ssp. obtusifolius
287	Species  idahoensis Atwood & Welsh common name: Idaho beardtongue
288	Species  immanifestus N. Holmgren common name: Steptoe Valley beardtongue
289	Species  incertus Brandeg. common name: Mojave beardtongue
290	Species  inflatus Crosswhite common name: inflated beardtongue
291	Species  jamesii Benth.
	292    Subspecies  breviculus Keck syn. Penstemon breviculus 293    Subspecies  ophianthus (Pennell) Keck syn. Penstemon ophianthus 294    Subspecies  typicus Keck syn. Penstemon jamesii
295	Species  janishiae N. Holmgren common name: Antelope Valley beardtongue
296	Species  keckii Clokey syn. Penstemon leiophyllus var. keckii
297	Species  kingii S. Wats. common name: King's beardtongue
298	Species  labrosus (Gray) Hook. f. common name: San Gabriel beardtongue
299	Species  laetus Gray
	300    Subspecies  laetus common name: mountain blue penstemon 301    Subspecies  leptosepalus (Greene ex Gray) Keck common name: mountain blue penstemon 302    Varietas  leptosepalus Greene ex Gray syn. Penstemon laetus ssp. leptosepalus 303    Subspecies  roezlii (Regel) Keck syn. Penstemon roezlii 304    Varietas  roezlii (Regel) Jepson syn. Penstemon roezlii 305    Subspecies  sagittatus Keck common name: mountain blue penstemon 306    Varietas  sagittatus (Keck) McMinn syn. Penstemon laetus ssp. sagittatus
307	Species  laevigatus Ait.
	308    Subspecies  alluviorum (Pennell) Bennett syn. Penstemon alluviorum 309    Varietas  angulatus Bennett syn. Penstemon digitalis 310    Subspecies  calycosus (Small) Bennett syn. Penstemon calycosus 311    Varietas  deamii (Pennell) Bennett syn. Penstemon deamii 312    Subspecies  digitalis (Nutt. ex Sims) Bennett syn. Penstemon digitalis
313	Species  laevis Pennell common name: southwestern beardtongue
314	Species  lanceolatus auct. non Benth. syn. Penstemon ramosus
315	Species  laricifolius Hook. & Arn.
	316    Subspecies  exilifolius (A. Nels.) Keck common name: larchleaf beardtongue 317    Varietas  exilifolius (A. Nels.) Payson syn. Penstemon laricifolius ssp. exilifolius 318    Subspecies  laricifolius common name: larchleaf beardtongue
319	Species  laxiflorus Pennell common name: nodding beardtongue
320	Species  laxus A. Nels. common name: tufted penstemon
321	Species  leiophyllus Pennell
	322    Varietas  francisci-pennellii (Crosswhite) N. Holmgren common name: smoothleaf beardtongue 323    Varietas  keckii (Clokey) N. Holmgren common name: Keck's beardtongue 324    Varietas  leiophyllus common name: smoothleaf beardtongue
325	Species  lemhiensis (Keck) Keck & Cronq. common name: Lemhi penstemon
326	Species  lemmonii Gray syn. Keckiella lemmonii
327	Species  lentus Pennell
	328    Subspecies  albiflorus Keck syn. Penstemon lentus var. albiflorus 329    Varietas  albiflorus (Keck) Reveal common name: handsome beardtongue 330    Varietas  lentus common name: handsome beardtongue
331	Species  leonardii Rydb.
	332    Varietas  higginsii Neese common name: Higgins' beardtongue 333    Varietas  leonardii common name: Leonard's beardtongue 334    Varietas  patricus (N. Holmgren) Neese common name: Leonard's beardtongue
335	Species  leptanthus Pennell common name: Sevier Plateau beardtongue
336	Species  linarioides Gray
	337    Subspecies  coloradoensis (A. Nels.) Keck common name: toadflax penstemon 338    Subspecies  compactifolius Keck common name: toadflax beardtongue 339    Subspecies  linarioides common name: toadflax beardtongue 340    Subspecies  maguirei Keck common name: Maguire's penstemon 341    Subspecies  sileri (Gray) Keck common name: Siler's penstemon 342    Varietas  sileri Gray syn. Penstemon linarioides ssp. sileri 343    Subspecies  taosensis Keck syn. Penstemon crandallii ssp. taosensis 344    Subspecies  typicus Keck syn. Penstemon linarioides ssp. linarioides 345    Varietas  viridis Keck syn. Penstemon linarioides ssp. sileri
346	Species  longiflorus (Pennell) S.L. Clark common name: longflower penstemon
347	Species  lyallii (Gray) Gray common name: Lyall's beardtongue
348	Species  macranthus Eastw. syn. Penstemon palmeri var. macranthus
349	Species  maguirei Crosswhite syn. Penstemon arenarius
350	Species  marcusii (Keck) N. Holmgren common name: Marcus' beardtongue
351	Species  mensarum Pennell common name: tiger beardtongue
352	Species  menziesii Hook.
	353    Subspecies  davidsonii (Greene) Piper syn. Penstemon davidsonii var. davidsonii 354    Subspecies  thompsonii Pennell syn. Penstemon davidsonii var. davidsonii
355	Species  microphyllus Gray syn. Keckiella antirrhinoides ssp. microphylla
356	Species  minidokanus A. Nels. & J.F. Macbr. syn. Penstemon perpulcher
357	Species  miser Gray common name: Malheur penstemon
358	Species  modestus Greene syn. Penstemon procerus var. modestus
359	Species  moffatii Eastw.
	360    Subspecies  marcusii Keck syn. Penstemon marcusii 361    Subspecies  moffatii common name: Moffatt's beardtongue 362    Subspecies  paysonii (Pennell) Keck common name: Moffatt's beardtongue
363	Species  monoensis Heller common name: Mono penstemon
364	Species  montanus Greene
	365    Subspecies  idahoensis Pennell & Keck syn. Penstemon montanus var. idahoensis 366    Varietas  idahoensis (Pennell & Keck) Cronq. common name: Central Idaho penstemon 367    Varietas  montanus common name: cordroot beardtongue
368	Species  moriahensis N. Holmgren common name: Mt. Moriah beardtongue
369	Species  mucronatus N. Holmgren syn. Penstemon pachyphyllus var. mucronatus
370	Species  multicaulis Pennell syn. Penstemon arkansanus
371	Species  multiflorus Chapman ex Benth. common name: manyflower beardtongue
372	Species  murrayanus Hook. common name: scarlet beardtongue
373	Species  nanus Keck common name: dwarf beardtongue
374	Species  navajoa N. Holmgren common name: Navajo Mountain beardtongue
375	Species  nemorosus (Dougl. ex Lindl.) Trautv. syn. Nothochelone nemorosa
376	Species  neomexicanus Woot. & Standl. common name: New Mexico beardtongue
377	Species  neotericus Keck common name: Plumas County beardtongue
378	Species  newberryi Gray
	379    Subspecies  berryi (Eastw.) Keck common name: Berry's penstemon 380    Varietas  berryi (Eastw.) N. Holmgren syn. Penstemon newberryi ssp. berryi 381    Subspecies  newberryi common name: mountain pride 382    Subspecies  sonomensis (Greene) Keck common name: Sonoma penstemon 383    Varietas  sonomensis (Greene) Jepson syn. Penstemon newberryi ssp. sonomensis
384	Species  nitidus Dougl. ex Benth.
	385    Varietas  nitidus common name: waxleaf penstemon 386    Subspecies  polyphyllus Pennell syn. Penstemon nitidus var. polyphyllus 387    Varietas  polyphyllus (Pennell) Cronq. common name: waxleaf penstemon
388	Species  nudiflorus Gray common name: Flagstaff beardtongue
389	Species  nyeensis Crosswhite syn. Penstemon kingii
390	Species  oklahomensis Pennell common name: Oklahoma beardtongue
391	Species  oliganthus Woot. & Standl. common name: Apache beardtongue
392	Species  ophianthus Pennell common name: coiled anther penstemon
393	Species  oreocharis Greene syn. Penstemon rydbergii var. oreocharis
394	Species  osterhoutii Pennell common name: Osterhout's beardtongue
395	Species  ovatus Dougl. ex Hook.
	396    Varietas  pinetorum Piper syn. Penstemon wilcoxii
397	Species  pachyphyllus Gray ex Rydb.
	398    Subspecies  congestus (M.E. Jones) Keck syn. Penstemon pachyphyllus var. congestus 399    Varietas  congestus (M.E. Jones) N. Holmgren common name: thickleaf beardtongue 400    Varietas  mucronatus (N. Holmgren) Neese common name: mucronate penstemon 401    Varietas  pachyphyllus common name: thickleaf beardtongue
402	Species  pahutensis N. Holmgren common name: Paiute beardtongue
403	Species  pallidus Small
	404    Subspecies  arkansanus (Pennell) Bennett syn. Penstemon arkansanus
405	Species  palmeri Gray
	406    Subspecies  eglandulosus Keck syn. Penstemon palmeri var. eglandulosus 407    Varietas  eglandulosus (Keck) N. Holmgren common name: scented beardtongue 408    Varietas  macranthus (Eastw.) N. Holmgren common name: scented beardtongue 409    Varietas  palmeri common name: Palmer's penstemon 410    Subspecies  typicus Keck syn. Penstemon palmeri var. palmeri
411	Species  papillatus J.T. Howell common name: Inyo beardtongue
412	Species  parryi (Gray) Gray common name: Parry's beardtongue, parry penstemon
413	Species  parviflorus Pennell common name: Montezuma County beardtongue
414	Species  parvulus (Gray) Krautter syn. Penstemon azureus ssp. azureus
415	Species  parvus Pennell common name: Aquarius Plateau beardtongue
416	Species  patens (M.E. Jones) N. Holmgren common name: Lone Pine beardtongue
417	Species  patricus N. Holmgren syn. Penstemon leonardii var. patricus
418	Species  pauciflorus auct. non Greene syn. Penstemon ramosus
419	Species  payettensis A. Nels. & J.F. Macbr. common name: Payette beardtongue
420	Species  paysoniorum Keck common name: Payson's beardtongue
421	Species  peckii Pennell common name: Peck's beardtongue
422	Species  penlandii W.A. Weber common name: Penland's beardtongue
423	Species  pennellianus Keck common name: Blue Mountain beardtongue
424	Species  penstemon (L.) Britt. syn. Penstemon laevigatus
425	Species  perpulcher A. Nels. common name: Minidoka beardtongue
426	Species  personatus Keck common name: closethroat beardtongue
427	Species  petiolatus Brandeg. common name: petiolate beardtongue
428	Species  pinifolius Greene common name: pineneedle beardtongue, pineleaf penstemon
429	Species  pinorum L.& J. Shultz common name: Pine Valley penstemon
430	Species  platyphyllus Rydb. common name: broadleaf beardtongue
431	Species  pratensis Greene common name: western whiteflower beardtongue
432	Species  procerus Dougl. ex Graham
	433    Subspecies  aberrans (M.E. Jones) Keck syn. Penstemon procerus var. aberrans 434    Varietas  aberrans (M.E. Jones) A. Nels. common name: pincushion beardtongue 435    Subspecies  brachyanthus (Pennell) Keck syn. Penstemon procerus var. brachyanthus 436    Varietas  brachyanthus (Pennell) Cronq. common name: pincushion beardtongue 437    Subspecies  formosus (A. Nels.) Keck syn. Penstemon procerus var. formosus 438    Varietas  formosus (A. Nels.) Cronq. common name: pincushion beardtongue 439    Subspecies  modestus (Greene) Keck syn. Penstemon procerus var. modestus 440    Varietas  modestus (Greene) N. Holmgren common name: pincushion beardtongue 441    Varietas  procerus common name: pincushion beardtongue 442    Varietas  tolmiei (Hook.) Cronq. common name: Tolmie's penstemon
443	Species  pruinosus Dougl. ex Lindl. common name: Chilean beardtongue
444	Species  pseudoparvus Crosswhite common name: Mt. Washington beardtongue
445	Species  pseudoputus (Crosswhite) N. Holmgren common name: Kaibab Plateau beardtongue
446	Species  pseudospectabilis M.E. Jones
	447    Subspecies  connatifolius (A. Nels.) Keck common name: desert beardtongue 448    Subspecies  pseudospectabilis common name: desert beardtongue 449    Subspecies  typicus Keck syn. Penstemon pseudospectabilis ssp. pseudospectabilis
450	Species  puberulentus Rydb. syn. Penstemon gairdneri var. oreganus
451	Species  pudicus Reveal & Beatley common name: Kawich Range beardtongue
452	Species  pulchellus Lindl. syn. Penstemon campanulatus
453	Species  pumilus Nutt. common name: Salmon River beardtongue
454	Species  purpusii Brandeg. common name: Snow Mountain beardtongue
455	Species  putus A. Nels. common name: Black River beardtongue
456	Species  radicosus A. Nels. common name: matroot penstemon
457	Species  ramosus Crosswhite common name: lanceleaf beardtongue
458	Species  rattanii Gray
	459    Subspecies  kleei (Greene) Keck common name: Santa Cruz Mountains beardtongue 460    Varietas  kleei (Green) Gray syn. Penstemon rattanii ssp. kleei 461    Varietas  minor Gray syn. Penstemon anguineus 462    Subspecies  rattanii common name: Rattan's beardtongue
463	Species  retrorsus Payson ex Pennell common name: Adobe Hills beardtongue
464	Species  rhizomatosus N. Holmgren
465	Species  richardsonii Dougl. ex Lindl.
	466    Subspecies  curtiflorus Keck syn. Penstemon richardsonii var. curtiflorus 467    Varietas  curtiflorus (Keck) Cronq. common name: cutleaf beardtongue 468    Subspecies  dentatus Keck syn. Penstemon richardsonii var. dentatus 469    Varietas  dentatus (Keck) Cronq. common name: cutleaf beardtongue 470    Varietas  richardsonii common name: Richardson's penstemon
471	Species  roezlii Regel common name: Roezl's penstemon
472	Species  rostriflorus Kellogg common name: Bridge penstemon
473	Species  rothrockii Gray
	474    Subspecies  jacintensis (Abrams) Keck syn. Keckiella rothrockii ssp. jacintensis
475	Species  rubicundus Keck common name: Wassuk Range beardtongue
476	Species  rupicola (Piper) T.J. Howell common name: cliff beardtongue
477	Species  rydbergii A. Nels.
	478    Subspecies  aggregatus (Pennell) Keck syn. Penstemon rydbergii var. aggregatus 479    Varietas  aggregatus (Pennell) N. Holmgren common name: meadow beardtongue 480    Varietas  oreocharis (Greene) N. Holmgren common name: herbaceous penstemon 481    Varietas  rydbergii common name: swollen penstemon 482    Varietas  varians (A. Nels.) Cronq. syn. Penstemon rydbergii var. rydbergii
483	Species  saxosorum Pennell common name: upland beardtongue
484	Species  scapoides Keck common name: pinyon beardtongue
485	Species  scariosus Pennell
	486    Varietas  albifluvis (England) N. Holmgren common name: White River beardtongue 487    Varietas  cyanomontanus Neese common name: Neese's Blue Mountain beardtongue 488    Varietas  garrettii (Pennell) N. Holmgren common name: Garrett's beardtongue 489    Varietas  scariosus common name: White River beardtongue
490	Species  secundiflorus Benth. common name: sidebells penstemon
491	Species  seorsus (A. Nels.) Keck common name: shortlobe penstemon
492	Species  sepalulus A. Nels. common name: littlecup beardtongue
493	Species  serrulatus Menzies ex Sm. common name: serrulate penstemon
494	Species  shastensis Keck syn. Penstemon heterodoxus var. shastensis
495	Species  smallii Heller common name: Small's beardtongue
496	Species  spatulatus Pennell common name: Wallowa beardtongue
497	Species  speciosus Dougl. ex Lindl.
	498    Subspecies  kennedyi (A. Nels.) Keck syn. Penstemon speciosus 499    Subspecies  lemhiensis Keck syn. Penstemon lemhiensis
500	Species  spectabilis Thurb. ex Gray
	501    Subspecies  spectabilis common name: showy penstemon 502    Subspecies  subviscosus Keck common name: showy penstemon 503    Varietas  subviscosus (Keck) McMinn syn. Penstemon spectabilis ssp. subviscosus
504	Species  stenophyllus (Gray) T.J. Howell common name: Sonoran beardtongue
505	Species  stephensii Brandeg. common name: Stephens' penstemon
506	Species  strictiformis Rydb. common name: Mancos penstemon
507	Species  strictus Benth.
	508    Subspecies  angustus Pennell syn. Penstemon strictus 509    Subspecies  strictiformis (Rydb.) Keck syn. Penstemon strictiformis
510	Species  subglaber Rydb. common name: smooth penstemon
511	Species  subserratus Pennell common name: finetooth beardtongue
512	Species  subulatus M.E. Jones common name: hackberry beardtongue
513	Species  sudans M.E. Jones common name: Susanville beardtongue
514	Species  suffrutescens Rydb. syn. Penstemon crandallii ssp. crandallii
515	Species  superbus A. Nels. common name: superb beardtongue, superb penstemon
516	Species  tenuiflorus Pennell common name: eastern whiteflower beardtongue
517	Species  tenuis Small common name: sharpsepal beardtongue
518	Species  ternatus Torr. ex Gray
	519    Subspecies  septentrionalis (Munz & Johnston) Keck syn. Keckiella ternata ssp. septentrionalis
520	Species  teucrioides Greene common name: germander beardtongue
521	Species  thompsoniae (Gray) Rydb.
	522    Varietas  desperatus Neese syn. Penstemon thompsoniae ssp. thompsoniae 523    Subspecies  jaegeri Keck common name: Jaeger's beardtongue 524    Subspecies  thompsoniae common name: Thompson's beardtongue
525	Species  thurberi Torr.
	526    Varietas  anestius Reveal & Beatley syn. Penstemon thurberi
527	Species  tidestromii Pennell common name: Tidestrom's beardtongue
528	Species  tiehmii N. Holmgren common name: Tiehm's beardtongue
529	Species  tolmiei Hook.
	530    Subspecies  brachyanthus (Pennell) Keck syn. Penstemon procerus var. brachyanthus 531    Subspecies  formosus (A. Nels.) Keck syn. Penstemon procerus var. formosus
532	Species  torreyi Benth. syn. Penstemon barbatus ssp. torreyi
533	Species  tracyi Keck common name: Trinity penstemon
534	Species  triflorus Heller
	535    Subspecies  integrifolius Pennell common name: Heller's beardtongue 536    Varietas  integrifolius (Pennell) Cory syn. Penstemon triflorus ssp. integrifolius 537    Subspecies  triflorus common name: Heller's beardtongue
538	Species  triphyllus Dougl. ex Lindl.
	539    Subspecies  diphyllus (Rydb.) Keck syn. Penstemon diphyllus
540	Species  tubiflorus Nutt.
	541    Varietas  achoreus Fern. common name: white wand beardtongue 542    Varietas  tubiflorus common name: white wand beardtongue
543	Species  tusharensis N. Holmgren common name: Tushar Range beardtongue
544	Species  uintahensis Pennell common name: Uinta Mountain beardtongue
545	Species  unilateralis Rydb. common name: oneside penstemon
546	Species  utahensis Eastw. common name: Utah penstemon
547	Species  variabilis Suksdorf syn. Penstemon deustus var. variabilis
548	Species  vaseyanus Greene syn. Penstemon rydbergii var. rydbergii
549	Species  venosus (Keck) Reveal syn. Penstemon angustifolius var. venosus
550	Species  venustus Dougl. ex Lindl. common name: Venus penstemon
551	Species  virens Pennell ex Rydb. common name: Front Range beardtongue
552	Species  virgatus Gray
	553    Subspecies  arizonicus (Gray) Keck syn. Penstemon deaveri 554    Subspecies  asa-grayi Crosswhite syn. Penstemon unilateralis 555    Varietas  asa-grayi (Crosswhite) Dorn syn. Penstemon unilateralis 556    Subspecies  pseudoputus Crosswhite syn. Penstemon pseudoputus 557    Subspecies  putus (A. Nels.) Crosswhite syn. Penstemon putus
558	Species  wardii Gray common name: Ward's beardtongue
559	Species  washingtonensis Keck common name: Washington beardtongue
560	Species  watsonii Gray
	561    Subspecies  laxus (A. Nels.) Keck syn. Penstemon laxus
562	Species  wherryi Pennell syn. Penstemon arkansanus
563	Species  whippleanus Gray common name: Whipple's penstemon
564	Species  whitedii Piper
	565    Subspecies  dayanus (T.J. Howell) Keck syn. Penstemon eriantherus var. argillosus 566    Subspecies  tristis Pennell & Keck syn. Penstemon eriantherus var. redactus
567	Species  wilcoxii Rydb. common name: Wilcox's penstemon
568	Species  wisconsinensis Pennell syn. Penstemon gracilis var. wisconsinensis
569	Species  wrightii Hook. common name: Wright's beardtongue
570	Species  x crideri A. Nels. (pro sp.)
571	Species  x dubius A. Davids. (pro sp.)
572	Species  x jonesii Pennell (pro sp.)
573	Species  x mirus A. Nels. (pro sp.)
574	Species  x parishii Gray (pro sp.)
575	Species  x peirsonii Munz & I.M. Johnston (pro sp.)
576	Species  yampaensis Penl. common name: Yampa beardtongue