''Penstemon serrulatus'' is a species of penstemon known by the common names Cascade penstemon, coast penstemon, or serrulate penstemon. It is native to the Pacific Northwest of North America, from Oregon to Alaska.
Similar species: Lamiales
By morpheme
All rights reserved
Uploaded Jul 9, 2017. Captured Jul 8, 2017 17:23 in WA-123, Ashford, WA 98304, USA.
