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Erigeron uncialis
In Nevada
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Asterales
Family:	Asteraceae
Genus:	Erigeron
Species:	E. uncialis
Binomial name
Erigeron uncialis S.F.Blake

Erigeron uncialis is a North American species of flowering plant in the family Asteraceae known by the common name lone fleabane or limestone daisy. It is native to the western United States, in the states of Nevada and California.

Erigeron uncialis grows on cliff faces, usually limestone, often alongside various conifer trees. It is a clump-forming perennial herb rarely more than 7 centimeters (2.8 inches) tall, producing a taproot and a woody underground caudex. The inflorescence is made up of only one flower heads per stem. Each head contains 22–30 white or pink ray florets surrounding numerous yellow disc florets.

Varieties

• Erigeron uncialis var. conjugans S.F.Blake - Nevada
• Erigeron uncialis var. uncialis - California

References

1. ^ Flora of North America, Erigeron uncialis S. F. Blake, 1934. Lone fleabane
2. Biota of North America Program 2014 county distribution map
3. Calflora taxon report, University of California, Erigeron uncialis S.F. Blake var. uncialis, limestone daisy
4. The Plant List, Erigeron uncialis S.F.Blake

• v
• t
• e

• Erigeron
• Flora of Nevada
• Flora of California
• Plants described in 1934
• Erigeron stubs