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Penstemon davidsonii >
Penstemon davidsonii var. menziesiiPenstemon davidsonii var. menziesii (Menzies' penstemon)
Synonyms: Penstemon davidsonii menziesii (homotypic); Penstemon douglasii; Penstemon fruticosus var. douglasii; Penstemon menziesii f. douglasii; Penstemon menziesii var. douglasii
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via
GBIF.org on 2023-06-13; License:
CC BY 4.0