List of Penstemon species

Species in the genus Penstemon are commonly called penstemons or beardtongues in English, and they will often have a common name based on either. As the subgenuses have some taxonomic uncertainty, the species are arranged alphabetically by name in the lists. As of 2024 there are 281 species and seven natural hybrids, according to Plants of the World Online (POWO). The database World Flora Online (WFO) regards all the species listed by POWO as valid, but additionally lists two natural hybrids as species and four additional species as valid.

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