Agoseris ×dasycarpa
(c) Steve Matson, some rights reserved (CC BY), uploaded by Steve Matson · licence
Family: Asteraceae · Type: Perennial · Native
Agoseris ×dasycarpa is a native California perennial in the Asteraceae family, recognized by hybrid nature and glandular hairs on bracts are key.
Agoseris is a California native perennial found in northern Sierra Nevada Mountains and Modoc Plateau in moist meadows, marshes, dry grasslands, and open forests at elevations of 1,100 to 2,500 meters. Flowering from May to August, this plant produces yellow flowers with rosy-purple involucre heads 10 to 30 millimeters wide. Growing 15 to 45 centimeters tall with erect or decumbent stems, it has a distinctive herbaceous form. Its leaves are oblanceolate, 10 to 30 centimeters long, with 1 to 4 pairs of lanceolate lobes, ranging from glabrous and glaucous to densely hairy. The fruit develops a fusiform body 6 to 9 millimeters long with a short 1 to 2 millimeter beak.
Identification and appearance
Key characters: Co-occurs with 10 species; hybrid nature and glandular hairs on bracts are key
Habitat and range
Habitat: Moist meadows, marshes, dry grassland, open forest
Elevation: 1100-2500 m
Outside California: to Oregon
Bloom period
Agoseris ×dasycarpa blooms May-Aug.
How to tell it apart
vs Taraxacum: Agoseris bracts graduate gradually in size; Taraxacum has dramatically smaller outer bracts and longer one-sided pappus.; vs Hypochaeris: Agoseris has completely bractless stems; Hypochaeris often has small leafy bracts partway up the stem.; vs Microseris: Agoseris pappus bristles evenly distributed; Microseris has 5-80 white scales (not plume-like bristles).; vs Uropappus: Agoseris has plume-like bristles; Uropappus has 5 large silvery scales alternating with 5 smaller ones.; vs Leontodon: Agoseris has unbranched scapes; Leontodon often has branched stems with multiple heads.
Frequently asked questions
Is Agoseris ×dasycarpa native to California?
Yes. Agoseris ×dasycarpa is native to California (recorded as native).
When does Agoseris ×dasycarpa bloom?
Agoseris ×dasycarpa blooms May-Aug.
What plant family does Agoseris ×dasycarpa belong to?
Agoseris ×dasycarpa is in the Asteraceae family, genus Agoseris.
What habitat does Agoseris ×dasycarpa grow in?
Agoseris ×dasycarpa grows in Moist meadows, marshes, dry grassland, open forest.
Related species
Other California species in the same genus, family, or bioregion.
Sources: Jepson eFlora · CalPhotos
Last updated 2026-09-30
Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Cal-IPC, and more.