Erigeron howellii

Erigeron howellii is a rare North American species of flowering plant in the aster family known as Howell's fleabane.[2] It has been found in the Cascades in the northwestern United States, in northwestern Oregon and southwestern Washington.[3]

Erigeron howellii
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Eudicots
(unranked):
Asterids
Order:
Asterales
Family:
Asteraceae
Tribe:
Astereae
Genus:
Erigeron
Species:
E. howellii
Binomial name
Erigeron howellii
Synonyms[1]
  • Erigeron salsuginosus var. howellii A.Gray 1880

Erigeron howellii is a perennial herb up to 50 centimeters (20 inches) tall, spreading by means of underground rhizomes. Each plant generally produces only one flower head, with up to 50 white ray florets surrounding numerous yellow disc florets.[2][4]

References
  1. The Plant List, Erigeron howellii (A. Gray) A. Gray
  2. Flora of North America, Erigeron howellii (A. Gray) A. Gray, 1884. Howell’s fleabane
  3. Biota of North America Program 2014 county distribution map
  4. Gray, Asa 1884. Synoptical Flora of North America 1(2): 209


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