2019 David Greenberger 2021 Charles Russell 2019 Hunter Breck 2021 Charles Russell 2021 Charles Russell 2018 Cynthia Powell 2018 David Long 2025 Mike Russler 2025 Mike Russler 2025 Mike Russler 2025 Mike Russler 2025 Mike Russler 2019 John Game 2016 David Greenberger 2022 Diana Wahl 2021 R.A. Chasey 2021 R.A. Chasey
Hesperolinon congestum is an annual herb that is native to California, and endemic (limited) to California.
California Rare Plant Rank: 1B.1 (rare, threatened, or endangered in CA and elsewhere).
State of California status: Threatened.
Federal status: Threatened.
[Wikipedia] Limited Range, Habitat: Hesperolinon congestum, or Marin dwarf flax, is an annual herb, which is known to occur only in San Mateo, San Francisco and Marin County, California,[1] United States. This plant occurs chiefly on serpentine soils, especially in dry native bunch grasses, chaparral or other grasslands at elevations less than 200 meters. (link added by Mary Ann Machi)
/app/up/entry/493/th/148071.jpg:!/app/up/entry/328/th/98541.jpg:!/app/up/entry/94/th/28200.jpg:!/app/up/entry/328/th/98543.jpg:!/app/up/entry/328/th/98544.jpg:!/app/up/mg/219/th/mg65966-2.jpg:!/app/up/io/12/th/io3713-0.jpg:!/app/up/io/525/th/io157537-0.jpg:!/app/up/io/525/th/io157537-1.jpg:!/app/up/entry/856/th/256846.jpg:!/app/up/entry/856/th/256843.jpg:!/app/up/entry/856/th/256842.jpg:!/app/up/entry/77/th/23142.jpg:!/app/up/entry/635/th/190559.jpg:!/app/up/entry/416/th/124804.jpg:!/app/up/entry/265/th/79588.jpg:!/app/up/entry/265/th/79587.jpg:!
2019 David Greenberger:!2021 Charles Russell:!2019 Hunter Breck:!2021 Charles Russell:!2021 Charles Russell:!2018 Cynthia Powell:!2018 David Long:!2025 Mike Russler:!2025 Mike Russler:!2025 Mike Russler:!2025 Mike Russler:!2025 Mike Russler:!2019 John Game:!2016 David Greenberger:!2022 Diana Wahl:!2021 R.A. Chasey:!2021 R.A. Chasey:!
wb2112-35:!mu17959:!po133038:!mu17959:!mu17959:!mg65966:!io3713:!io157537:!io157537:!io157537:!io157537:!io157537:!po118938:!wb1648-108:!po230953:!mg64316:!mg64316:!
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: 07/09/2025).