Tonestus peirsonii (D. D. Keck) G. L. Nesom & D. R. Morgan
Peirson's haplopappus, Peirson's serpentweed
2014 Steve Matson 2014 Steve Matson 2014 Steve Matson 2012 Steve Matson 2012 Steve Matson 2012 Steve Matson 2023 Chloe and Trevor Van Loon 2023 Chloe and Trevor Van Loon 2023 Chloe and Trevor Van Loon 2023 Chloe and Trevor Van Loon 2022 richard mcneill 2023 Chloe and Trevor Van Loon 2023 Chloe and Trevor Van Loon 2023 Chloe and Trevor Van Loon 2022 John Rawlings 2011 Steve Matson 2014 Steve Matson 2012 Steve Matson 2011 Steve Matson 2011 Steve Matson 2011 Steve Matson 2022 richard mcneill
Tonestus peirsonii is a perennial herb that is native to California, and endemic (limited) to California.
also called Haplopappus peirsonii
California Rare Plant Rank: 4.3 (limited distribution).
[Wikipedia] Limited Range: The plant is endemic to California, where it is known only from the Eastern High Sierra Nevada, and the White Mountains across Owens Valley to the east, both within Inyo National Forest. (link added by Mary Ann Machi)
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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: 05/16/2025).
one or more occurrences