Dataset: All Collections
Taxa: Penstemon glaber (Penstemon alpinus subsp. magnus), Penstemon glaber var. glaber (Penstemon alpinus subsp. magnus), Penstemon glaber var. alpinus (Penstemon alpinus), Penstemon glaber var. brandegeei (Penstemon alpinus subsp. brandegeei, Penstemon brandegeei)