2017 Steve Matson 2006 Steve Matson 2006 Steve Matson 2017 Steve Matson 2006 Steve Matson 2017 Steve Matson 2022 Dana York 2021 Jamie Spielmann 2006 Gerald Carr 2021 Julie A. Kierstead 2021 Julie A. Kierstead 2011 Vernon Smith
Penstemon procerus is a perennial herb that is native to California, and also found elsewhere in western North America.
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Suggested Citation
Calflora:
Information on California plants for education, research and conservation,
with data contributed by
public and private institutions and individuals.
[web application]. 2025.The Calflora Database
[a non-profit organization].Available:
https://www.calflora.org/(Accessed: 07/12/2025).
