Mycelis muralis

Wall-lettuce

Mycelis muralis (Wall-lettuce), California herb

(c) Jon Sullivan, some rights reserved (CC BY) · licence

Family: Asteraceae · Type: Herb

Mycelis muralis (Wall-lettuce) is a California herb in the Asteraceae family.

Wall-lettuce is a naturalized perennial herb found in moist ground, wooded disturbed areas, and roadsides at elevations below 1,400 meters. Flowering in summer, this plant produces bright yellow flowers in small panicle-like clusters with slender peduncles. Growing with a single, somewhat erect and hollow stem 30 to 50 centimeters tall, it develops from a thickened caudex with fibrous roots. Its leaves are distinctively shaped, with oblanceolate to spoon-shaped blades deeply pinnately lobed, featuring a large triangular terminal lobe and sharply dentate edges. The fruit is dark brown or black, flattened, with fine ribs and a short beak crowned by a white tuft of fine bristles.

Habitat and range

Habitat: Moist ground, wooded disturbed areas, roadsides

Elevation: < 1400 m

Outside California: to British Columbia, eastern Canada, northeastern United States, native to Europe

Frequently asked questions

What plant family does Mycelis muralis belong to?

Mycelis muralis is in the Asteraceae family, genus Mycelis.

What habitat does Mycelis muralis grow in?

Mycelis muralis grows in Moist ground, wooded disturbed areas, roadsides.

Related species

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

All Mycelis species · All Asteraceae

Sources: Jepson eFlora · CalPhotos

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.