Penstemon caesius

Taxonavigation

Taxonavigation: Lamiales
Classification System: APG IV Superregnum: Eukaryota Regnum: Plantae Cladus: Angiosperms Cladus: Eudicots Cladus: Core eudicots Cladus: Asterids Cladus: Lamiids Ordo: Lamiales

Familia: Plantaginaceae
Tribus: Cheloneae
Genus: Penstemon
Species: Penstemon caesius

Penstemon caesius A.Gray, 1883

Native distribution areas:
Continental: Northern America Regional: Southwestern USA California References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2^nd Edition

Govaerts, R., Nic Lughadha, E., Black, N., Turner, R. & Paton, A. 2021. The World Checklist of Vascular Plants, a continuously updated resource for exploring global plant diversity. Scientific Data 8(215): 1–10. DOI: 10.1038/s41597-021-00997-6 Reference page.

International Plant Names Index. 2025. Penstemon caesius. Published online. Accessed: July 21 2025. Reference page.
Govaerts, R. et al. 2025. Penstemon caesius in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2025 July 21. Reference page.
Tropicos.org 2025. Penstemon caesius. Missouri Botanical Garden. Published online. Accessed: 21 July 2025. Reference page.