Grindelia hirsutula var. maritima
San Francisco gumplant
(c) Alan Rockefeller, some rights reserved (CC BY), uploaded by Alan Rockefeller · licence
Family: Asteraceae
Conservation status: CNPS 3.2
Grindelia hirsutula var. maritima (San Francisco gumplant) is a California plant in the Asteraceae family.
Identification and appearance
Key characters: Differentiators are not available at this time.
Bloom period
Grindelia hirsutula var. maritima blooms Jun-Sep.
Conservation status
CNPS 3.2
How to tell it apart
vs Heterotheca: Grindelia has sticky gummy bracts; Heterotheca has dry, non-sticky bracts and spreading hairs on stems.; vs Agoseris: Grindelia has ray and disc flowers; Agoseris has only strap-shaped ligulate flowers (dandelion-like).; vs Erigeron: Grindelia has gummy sticky bracts; Erigeron has dry bracts and typically 50+ very narrow rays.; vs Solidago: Grindelia has large sticky-bracted heads; Solidago has tiny non-sticky heads in dense branched clusters.; vs Deinandra: Grindelia bracts curl backward and are gummy; Deinandra has spine-tipped bracts and is a tarweed.
Frequently asked questions
When does Grindelia hirsutula var. maritima bloom?
Grindelia hirsutula var. maritima blooms Jun-Sep.
What plant family does Grindelia hirsutula var. maritima belong to?
Grindelia hirsutula var. maritima is in the Asteraceae family, genus Grindelia.
Is Grindelia hirsutula var. maritima rare or endangered?
Grindelia hirsutula var. maritima carries California Rare Plant Rank 3.2, state rank S1.
Related species
Other California species in the same genus, family, or bioregion.
Last updated 2026-10-08
Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Cal-IPC, and more.