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California Rare Plant Rank 2B

Plants ranked as California Rare Plant Rank 2B are rare, threatened, or endangered in California but more common elsewhere. There are 9 taxa in the East Bay ranked 2B:

Carex comosa (bristly sedge)
Cicuta maculata var. bolanderi
Limosella australis (delta mudwort)
Polemonium carneum (Oregon polemonium)
Potamogeton zosteriformis (eel-grass pondweed)
Scutellaria galericulata (marsh skullcap)
Senecio aphanactis (chaparral ragwort)
Stuckenia filiformis ssp. alpina (slender-leaved pondweed)
Viburnum ellipticum (oval-leaved viburnum)

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CNPS Inventory of Rare and Endangered Plants of California

Hall’s bush mallow (Malacothamnus hallii), Lime Ridge Open Space, Walnut Creek. Photo by Cathy Chambers.
Big tarweed (Blepharizonia plumosa). Photo by Scott Yarger (CC BY-NC 4.0).
Mount Diablo fairy lantern (Calochortus pulchellus). Photo by Elsa de Becker.
Brewer’s dwarf flax (Hesperolinon breweri)The rare Brewer’s dwarf flax (Hesperolinon breweri) grows in the Sand Creek area. Photo by R.A. Chasey CC BY-NC 4.0.

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Upcoming Events:

June 3, 9:00 am - 12:00 pm
Garber Park Stewards Restoration (Oakland) (Restoration Project)
June 3, 9:30 am - 12:30 pm
Hands-on Lawn-to-Garden Workshop (Public Event)
June 10, 10:00 am - 3:00 pm
Greywater Laundry-to-Landscape Installation Workshop (Public Event)
June 17, 9:00 am - 12:00 pm
Garber Park Stewards Restoration (Oakland) (Restoration Project)
June 18, 9:30 am - 12:00 pm
Huckleberry Botanic Regional Preserve (Oakland) (Restoration Project)
June 24, 9:00 am - 11:00 am
Albany Hill Restoration Project (Albany) (Restoration Project)
July 16, 9:30 am - 12:00 pm
Huckleberry Botanic Regional Preserve (Oakland) (Restoration Project)
July 29, 9:00 am - 11:00 am
Albany Hill Restoration Project (Albany) (Restoration Project)
August 20, 9:30 am - 12:00 pm
Huckleberry Botanic Regional Preserve (Oakland) (Restoration Project)
August 26, 9:00 am - 11:00 am
Albany Hill Restoration Project (Albany) (Restoration Project)

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