Erigeron compactus

Compact daisy, Compact Daisy

Erigeron compactus (Compact daisy), native California herb

(c) Jim Morefield, some rights reserved (CC BY) · licence

Family: Asteraceae · Type: Herb · Native

Conservation status: CNPS 2B.3

Erigeron compactus (Compact daisy) is a native California herb in the Asteraceae family, recognized by no sympatric species.

Compact daisy is a rare (CNPS 2B.3) California native perennial found in the White and Inyo Mountains in rocky slopes and pinyon/juniper woodland at elevations of 1,800 to 2,300 meters. Flowering from May to June, this plant produces white to lilac flowers with rays 7 to 11 millimeters long, sometimes showing rose or lilac tones and coiling when dry. Growing as a small, tightly clustered herb just 2 to 8 centimeters tall with an unbranched stem covered in short white appressed hairs, it emerges from a short-branched caudex and taproot. Its basal leaves are narrow and linear, 5 to 25 millimeters long, densely covered in fine strigose hairs. The solitary flower head is compact, with involucre 5 to 8 millimeters long and 7 to 17 millimeters in diameter, featuring fine-strigose phyllaries with inconspicuous minute glands.

Identification and appearance

Key characters: Geographically isolated; no sympatric species

Habitat and range

Habitat: Rocky slopes, pinyon/juniper woodland

Elevation: 1800-2300 m

Outside California: to Utah

Bloom period

Erigeron compactus blooms May-Jun.

Conservation status

CNPS 2B.3

How to tell it apart

vs Bellis: Erigeron has double-layered pappus (outer scales + inner bristles); Bellis completely lacks pappus.; vs Symphyotrichum: Erigeron has double pappus (2 layers); Symphyotrichum has single layer of uniform bristles.; vs Corethrogyne: Erigeron has simple unbranched stems; Corethrogyne has branched stems.; vs Pseudognaphalium: Erigeron has flat button-like flower heads; Pseudognaphalium has woolly clustered heads without rays.; vs Artemisia: Erigeron has obvious ray petals around yellow disk; Artemisia lacks ray petals entirely.

Frequently asked questions

Is Erigeron compactus native to California?

Yes. Erigeron compactus is native to California (recorded as native).

When does Erigeron compactus bloom?

Erigeron compactus blooms May-Jun.

What plant family does Erigeron compactus belong to?

Erigeron compactus is in the Asteraceae family, genus Erigeron.

Is Erigeron compactus rare or endangered?

Erigeron compactus carries California Rare Plant Rank 2B.3, state rank S3.

What habitat does Erigeron compactus grow in?

Erigeron compactus grows in Rocky slopes, pinyon/juniper woodland.

Related species

Other California species in the same genus, family, or bioregion.

All Erigeron species · All Asteraceae

Sources: Jepson eFlora · CNPS Rare Plant Inventory · Index of California Plant Names · CalPhotos · CDFW CNDDB

Last updated 2026-10-07

Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Cal-IPC, and more.