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Lateinischer name
Allgemeiner name
Familie
 
     
Penstemon gracilis Nutt. var. gracilis
lilac penstemon
Scrophulariaceae
Penstemon gracilis Nutt. var. wisconsinensis (Pennell) Fassett
Wisconsin penstemon
Scrophulariaceae
Penstemon grahamii Keck
Uinta Basin beardtongue
Scrophulariaceae
Penstemon grandiflorus Nutt.
large beardtongue
Scrophulariaceae
Penstemon griffinii A. Nels.
Griffin s beardtongue
Scrophulariaceae
Penstemon grinnellii Eastw.
Grinnell s beardtongue
Scrophulariaceae
Penstemon grinnellii Eastw. ssp. grinnellii
Grinnell s beardtongue
Scrophulariaceae
Penstemon grinnellii Eastw. ssp. scrophularioides (M.E. Jones) Munz
Grinnell s beardtongue
Scrophulariaceae
Penstemon grinnellii Eastw. var. grinnellii Eastw. [superfluous autonym]
>>Penstemon grinnellii
Scrophulariaceae
Penstemon grinnellii Eastw. var. scrophularioides (M.E. Jones) N. Holmgren
>>Penstemon grinnellii ssp. scrophularioides
Scrophulariaceae
Penstemon guadalupensis Heller
Guadalupe beardtongue
Scrophulariaceae
Penstemon guadalupensis Heller var. ernstii (Pennell) Cory
>>Penstemon guadalupensis
Scrophulariaceae
Penstemon hallii Gray
Hall s beardtongue
Scrophulariaceae
Penstemon harbourii Gray
Harbour s beardtongue
Scrophulariaceae
Penstemon harringtonii Penl.
Harrington s beardtongue
Scrophulariaceae
Penstemon hartwegii Benth.
Hartweg s beardtongue
Scrophulariaceae
Penstemon havardii Gray
Big Bend beardtongue
Scrophulariaceae
Penstemon haydenii S. Wats.
blowout beardtongue
Scrophulariaceae
Penstemon helleri Small
>>Penstemon triflorus ssp. integrifolius
Scrophulariaceae
Penstemon hesperius M.E. Peck
>>Penstemon rydbergii var. rydbergii
Scrophulariaceae
Penstemon heterodoxus Gray
Sierra beardtongue
Scrophulariaceae
Penstemon heterodoxus Gray ssp. cephalophorus (Greene) Keck
>>Penstemon heterodoxus var. cephalophorus
Scrophulariaceae
Penstemon heterodoxus Gray var. cephalophorus (Greene) N. Holmgren
Sierra beardtongue
Scrophulariaceae
Penstemon heterodoxus Gray var. heterodoxus
Sierra beardtongue
Scrophulariaceae
Penstemon heterodoxus Gray var. shastensis (Keck) N. Holmgren
Shasta beardtongue
Scrophulariaceae
Penstemon heterophyllus Lindl.
bunchleaf penstemon
Scrophulariaceae
Penstemon heterophyllus Lindl. ssp. australis (Munz & Johnston) Keck
foothill beardtongue
Scrophulariaceae
Penstemon heterophyllus Lindl. ssp. heterophyllus
bunchleaf penstemon
Scrophulariaceae
Penstemon heterophyllus Lindl. ssp. purdyi Keck
Purdy s penstemon
Scrophulariaceae
Penstemon heterophyllus Lindl. var. australis Munz & Johnston
>>Penstemon heterophyllus ssp. australis
Scrophulariaceae
Penstemon heterophyllus Lindl. var. heterophyllus Lindl. [superfluous autonym]
>>Penstemon heterophyllus
Scrophulariaceae
Penstemon heterophyllus Lindl. var. purdyi (Keck) McMinn
>>Penstemon heterophyllus ssp. purdyi
Scrophulariaceae
Penstemon hirsutus (L.) Willd.
hairy beardtongue
Scrophulariaceae
Penstemon hirsutus (L.) Willd. var. minimus Bennett
>>Penstemon hirsutus
Scrophulariaceae
Penstemon hirsutus (L.) Willd. var. pygmaeus Bennett
>>Penstemon hirsutus
Scrophulariaceae
Penstemon holmgrenii S. Clark
>>Penstemon cyananthus var. subglaber
Scrophulariaceae
Penstemon humilis Gray var. humilis Gray [superfluous autonym]
>>Penstemon humilis
Scrophulariaceae
Penstemon humilis Nutt. ex Gray
low beardtongue
Scrophulariaceae
Penstemon humilis Nutt. ex Gray ssp. brevifolius (Gray) Keck
low beardtongue
Scrophulariaceae
Penstemon humilis Nutt. ex Gray ssp. humilis
low beardtongue
Scrophulariaceae
Penstemon humilis Nutt. ex Gray ssp. obtusifolius (Pennell) Keck
low beardtongue
Scrophulariaceae
Penstemon humilis Nutt. ex Gray var. brevifolius Gray
>>Penstemon humilis ssp. brevifolius
Scrophulariaceae
Penstemon humilis Nutt. ex Gray var. deserticus Welsh
>>Penstemon humilis ssp. humilis
Scrophulariaceae
Penstemon humilis Nutt. ex Gray var. obtusifolius (Pennell) Reveal
>>Penstemon humilis ssp. obtusifolius
Scrophulariaceae
Penstemon idahoensis Atwood & Welsh
Idaho beardtongue
Scrophulariaceae
Penstemon immanifestus N. Holmgren
Steptoe Valley beardtongue
Scrophulariaceae
Penstemon incertus Brandeg.
Mojave beardtongue
Scrophulariaceae
Penstemon inflatus Crosswhite
inflated beardtongue
Scrophulariaceae
Penstemon jamesii Benth.
James beardtongue
Scrophulariaceae
Penstemon jamesii Benth. ssp. breviculus Keck
>>Penstemon breviculus
Scrophulariaceae
Penstemon jamesii Benth. ssp. ophianthus (Pennell) Keck
>>Penstemon ophianthus
Scrophulariaceae
Penstemon jamesii Benth. ssp. typicus Keck
>>Penstemon jamesii
Scrophulariaceae
Penstemon janishiae N. Holmgren
Antelope Valley beardtongue
Scrophulariaceae
Penstemon keckii Clokey
>>Penstemon leiophyllus var. keckii
Scrophulariaceae
Penstemon kingii S. Wats.
King s beardtongue
Scrophulariaceae
Penstemon labrosus (Gray) Hook. f.
San Gabriel beardtongue
Scrophulariaceae
Penstemon laetus Gray
mountain blue penstemon
Scrophulariaceae
Penstemon laetus Gray ssp. laetus
mountain blue penstemon
Scrophulariaceae
Penstemon laetus Gray ssp. leptosepalus (Greene ex Gray) Keck
mountain blue penstemon
Scrophulariaceae
Penstemon laetus Gray ssp. roezlii (Regel) Keck
>>Penstemon roezlii
Scrophulariaceae
Penstemon laetus Gray ssp. sagittatus Keck
mountain blue penstemon
Scrophulariaceae
Penstemon laetus Gray var. laetus Gray [superfluous autonym]
>>Penstemon laetus
Scrophulariaceae
Penstemon laetus Gray var. leptosepalus Greene ex Gray
>>Penstemon laetus ssp. leptosepalus
Scrophulariaceae
Penstemon laetus Gray var. roezlii (Regel) Jepson
>>Penstemon roezlii
Scrophulariaceae
Penstemon laetus Gray var. sagittatus (Keck) McMinn
>>Penstemon laetus ssp. sagittatus
Scrophulariaceae
Penstemon laevigatus Ait.
eastern smooth beardtongue
Scrophulariaceae
Penstemon laevigatus Ait. ssp. alluviorum (Pennell) Bennett
>>Penstemon alluviorum
Scrophulariaceae
Penstemon laevigatus Ait. ssp. calycosus (Small) Bennett
>>Penstemon calycosus
Scrophulariaceae
Penstemon laevigatus Ait. ssp. digitalis (Nutt. ex Sims) Bennett
>>Penstemon digitalis
Scrophulariaceae
Penstemon laevigatus Ait. var. angulatus Bennett
>>Penstemon digitalis
Scrophulariaceae
Penstemon laevigatus Ait. var. deamii (Pennell) Bennett
>>Penstemon deamii
Scrophulariaceae
Penstemon laevis Pennell
southwestern beardtongue
Scrophulariaceae
Penstemon lanceolatus auct. non Benth. [misapplied]
>>Penstemon ramosus
Scrophulariaceae
Penstemon laricifolius Hook. & Arn.
larchleaf beardtongue
Scrophulariaceae
Penstemon laricifolius Hook. & Arn. ssp. exilifolius (A. Nels.) Keck
larchleaf beardtongue
Scrophulariaceae

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