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| Kingdom Plantae |
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Penstemon attenuatus ssp. palustris (Pennell) D.D. Keck – not accepted
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Penstemon crandallii ssp. glabrescens (Pennell) D.D. Keck – accepted – Crandall's beardtongue
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Penstemon crandallii ssp. glabrescens var. glabrescens (Pennell) D.D. Keck – not accepted – Crandall's beardtongue
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Penstemon humilis ssp. obtusifolius (Pennell) D.D. Keck – not accepted – low beardtongue
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Penstemon jamesii ssp. ophianthus (Pennell) D.D. Keck – not accepted
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Penstemon moffatii ssp. paysonii (Pennell) D.D. Keck – not accepted – Moffatt's beardtongue
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Penstemon procerus ssp. brachyanthus (Pennell) D.D. Keck – not accepted
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Penstemon rydbergii ssp. aggregatus (Pennell) D.D. Keck – not accepted
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Penstemon tolmiei ssp. brachyanthus (Pennell) D.D. Keck – not accepted |
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