Erigeron Formosissimus

Erigeron formosissimus
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Asterales
Family:	Asteraceae
Genus:	Erigeron
Species:	E. formosissimus
Binomial name
	Erigeron formosissimus; Greene
Synonyms
	Synonymy Erigeron deminutus Wooton & Standl. ; Erigeron fruticetorum Rydb. ; Erigeron gulielmi Greene ; Erigeron hirtuosus Greene ; Erigeron iodanthus Greene ; Erigeron mogollonicus Greene ; Erigeron pecosensis Standl. ; Erigeron rubicundus Greene ; Erigeron scaberulus Greene ; Erigeron smithii Rydb. ; Erigeron subasper Greene ; Erigeron viscidus Rydb., syn of var. viscidus ;

Short description: Species of flowering plant

Erigeron formosissimus is a North American species of flowering plants in the family Asteraceae known by the common name beautiful fleabane.^[2]

Erigeron formosissimus is native to the western United States. It has been found in Arizona, New Mexico, Utah, Colorado, Wyoming, the Black Hills of South Dakota, eastern Idaho, and southern Montana.^[3]

Erigeron formosissimus is a perennial herb up to 55 centimeters (22 inches) in height, spreading by means of underground rhizomes. It produces 1-6 flower heads per stem, each head as many as 150 white, pink, purple, or blue ray florets surrounding numerous yellow disc florets.^[2]^[4]^[5]

Varieties^[2]

Erigeron formosissimus var. viscidus (Rydberg) Cronquist - Arizona, Colorado, New Mexico, South Dakota, Wyoming
Erigeron formosissimus var. formosissimus - Arizona, Colorado, New Mexico, South Dakota, Utah

References

↑ The Plant List, Erigeron formosissimus Greene
↑ ^2.0 ^2.1 ^2.2 Flora of North America, Erigeron formosissimus Greene, Beautiful fleabane
↑ Biota of North America Program 2014 county distribution map
↑ Greene, Edward Lee 1898. Bulletin of the Torrey Botanical Club 25(3): 121 description and commentary in English
↑ Greene, Edward Lee 1898. Bulletin of the Torrey Botanical Club 25(3): plate 332, figures 3 + 4 line drawing of Erigeron formosissimus

External links

Photo of herbarium specimen at Missouri Botanical Garden, collected in New Mexico in 1897, isotype of Erigeron formosissimus