Hieracium sp.
Hawkweed, Hawkweed
(c) Douglas Goldman, some rights reserved (CC BY-SA), uploaded by Douglas Goldman · licence
Family: Asteraceae · Type: Perennial · Variable; species dependent
Hieracium sp. (Hawkweed) is a non-native California perennial in the Asteraceae family.
How to tell it apart
vs Pilosella: Pilosella has stolons (runners) spreading along the ground; Hieracium lacks these horizontal stems.; vs Daucus: Daucus has umbel flower clusters and carrot-scented foliage; Hieracium has dandelion-like heads and lacks carrot scent.; vs Adelinia: Adelinia has beaked seeds; Hieracium seeds attach directly to pappus without any beak.; vs Heterotheca: Heterotheca has ray and disk flowers (daisy-like); Hieracium has only strap-shaped flowers.; vs Rafinesquia: Rafinesquia has smooth or sparsely hairy stems; Hieracium is densely long-hairy especially below.
Frequently asked questions
Is Hieracium sp. native to California?
No. Hieracium sp. is not native to California (recorded as variable; species dependent).
What plant family does Hieracium sp. belong to?
Hieracium sp. is in the Asteraceae family, genus Hieracium.
Related species
Other California species in the same genus, family, or bioregion.
- Hieracium triste — Slender hawkweed
- Hieracium albiflorum — White hawkweed
- Hieracium argutum — Southern hawkweed
- Hieracium aurantiacum — Orange hawkweed
- Hieracium bolanderi — Bolander's hawkweed
- Hieracium greenei — Greene's hawkweed
- Holocarpha heermannii — Heermann's tarweed
- Holocarpha macradenia — Santa cruz tarplant
- Holocarpha obconica — San joaquin tarweed
Sources: Jepson eFlora · CalPhotos
Last updated 2026-04-14
Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Cal-IPC, and more.