English Penstemon laricifolius Cited by user MtBotany on 15 Feb 2025 Penstemon laricifolius, the larchleaf penstemon, is a small herbaceous plant from the northern Rocky Mountain states of Montana, Wyoming, and Colorado.
English Penstemon caespitosus Cited by user Citation bot on 12 Jun 2023 Penstemon caespitosus, commonly known as mat penstemon, is a summer blooming perennial flower in the large Penstemon genus.