Explore / Taxonomic exploration / Forbs & herbs
Taxonomic exploration
Forbs & herbs
Forb-form herbaceous plants — wildflowers, broadleaved herbs, everything between grasses and shrubs.
- Matching taxa
- 18,712
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- growth_habit=Forb/herb
Showing 13,051–13,100 of 18,712.
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Penstemon richardsonii Douglas ex Lindl. PERIcutleaf beardtongue · Scrophulariaceae - Penstemon richardsonii Douglas ex Lindl. var. curtiflorus (D.D. Keck) Cronquist PERIC3cutleaf beardtongue · Scrophulariaceae
- Penstemon richardsonii Douglas ex Lindl. var. dentatus (D.D. Keck) Cronquist PERID3cutleaf beardtongue · Scrophulariaceae
- Penstemon richardsonii Douglas ex Lindl. var. richardsonii PERIRRichardson's penstemon · Scrophulariaceae
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Penstemon roezlii Regel PERO12Roezl's penstemon · Scrophulariaceae -
Penstemon rostriflorus Kellogg PERO10Bridge penstemon · Scrophulariaceae -
Penstemon rubicundus D.D. Keck PERU5Wassuk Range beardtongue · Scrophulariaceae -
Penstemon rupicola (Piper) Howell PERUcliff beardtongue · Scrophulariaceae -
Penstemon rydbergii A. Nelson PERYRydberg's penstemon · Scrophulariaceae - Penstemon rydbergii A. Nelson var. aggregatus (Pennell) N.H. Holmgren PERYAmeadow beardtongue · Scrophulariaceae
- Penstemon rydbergii A. Nelson var. oreocharis (Greene) N.H. Holmgren PERYOherbaceous penstemon · Scrophulariaceae
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Penstemon rydbergii A. Nelson var. rydbergii PERYRswollen penstemon · Scrophulariaceae -
Penstemon saxosorum Pennell PESA2upland beardtongue · Scrophulariaceae -
Penstemon scapoides D.D. Keck PESC2pinyon beardtongue · Scrophulariaceae -
Penstemon scariosus Pennell PESC5White River beardtongue · Scrophulariaceae - Penstemon scariosus Pennell var. albifluvis (England) N.H. Holmgren PESCAWhite River beardtongue · Scrophulariaceae
- Penstemon scariosus Pennell var. cyanomontanus Neese PESCCNeese's Blue Mountain beardtongue · Scrophulariaceae
- Penstemon scariosus Pennell var. garrettii (Pennell) N.H. Holmgren PESCGGarrett's beardtongue · Scrophulariaceae
- Penstemon scariosus Pennell var. scariosus PESCSWhite River beardtongue · Scrophulariaceae
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Penstemon secundiflorus Benth. PESE11sidebells penstemon · Scrophulariaceae -
Penstemon seorsus (A. Nelson) D.D. Keck PESE12shortlobe penstemon · Scrophulariaceae -
Penstemon sepalulus A. Nelson PESE13littlecup beardtongue · Scrophulariaceae -
Penstemon serrulatus Menzies ex Sm. PESE5serrulate penstemon · Scrophulariaceae -
Penstemon smallii A. Heller PESMSmall's beardtongue · Scrophulariaceae -
Penstemon spatulatus Pennell PESP2Wallowa beardtongue · Scrophulariaceae -
Penstemon speciosus Douglas ex Lindl. PESProyal penstemon · Scrophulariaceae -
Penstemon spectabilis Thurb. ex A. Gray PESP3showy penstemon · Scrophulariaceae - Penstemon spectabilis Thurb. ex A. Gray ssp. spectabilis PESPS2showy penstemon · Scrophulariaceae
- Penstemon spectabilis Thurb. ex A. Gray ssp. subviscosus D.D. Keck PESPSshowy penstemon · Scrophulariaceae
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Penstemon stenophyllus (A. Gray) Howell PEST6Sonoran beardtongue · Scrophulariaceae -
Penstemon stephensii Brandegee PESTStephens' penstemon · Scrophulariaceae -
Penstemon strictiformis Rydb. PEST9Mancos penstemon · Scrophulariaceae -
Penstemon strictus Benth. PEST2Rocky Mountain penstemon · Scrophulariaceae -
Penstemon subglaber Rydb. PESU2smooth penstemon · Scrophulariaceae -
Penstemon subserratus Pennell PESU6finetooth beardtongue · Scrophulariaceae -
Penstemon subulatus M.E. Jones PESU7hackberry beardtongue · Scrophulariaceae -
Penstemon sudans M.E. Jones PESU10Susanville beardtongue · Scrophulariaceae -
Penstemon superbus A. Nelson PESU8superb beardtongue · Scrophulariaceae -
Penstemon tenuiflorus Pennell PETE4eastern whiteflower beardtongue · Scrophulariaceae -
Penstemon tenuis Small PETE3sharpsepal beardtongue · Scrophulariaceae -
Penstemon thompsoniae (A. Gray) Rydb. PETH2Thompson's beardtongue · Scrophulariaceae - Penstemon thompsoniae (A. Gray) Rydb. ssp. jaegeri D.D. Keck PETHJJaeger's beardtongue · Scrophulariaceae
- Penstemon thompsoniae (A. Gray) Rydb. ssp. thompsoniae PETHT2Thompson's beardtongue · Scrophulariaceae
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Penstemon tidestromii Pennell PETI2Tidestrom's beardtongue · Scrophulariaceae -
Penstemon tiehmii N.H. Holmgren PETI3Tiehm's beardtongue · Scrophulariaceae -
Penstemon tracyi D.D. Keck PETRTrinity penstemon · Scrophulariaceae -
Penstemon triflorus A. Heller PETR2Heller's beardtongue · Scrophulariaceae - Penstemon triflorus A. Heller ssp. integrifolius Pennell PETRIHeller's beardtongue · Scrophulariaceae
- Penstemon triflorus A. Heller ssp. triflorus PETRT2Heller's beardtongue · Scrophulariaceae
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Penstemon triphyllus Douglas ex Lindl. PETR6Riggin's penstemon · Scrophulariaceae