Erigeron pumilus var. intermedius


Brittonia 6: 180. 1947.

Synonyms: Erigeron pumilus subsp. intermedius Cronquist Erigeron pumilus var. gracilior Cronquist
Treatment appears in FNA Volume 20. Treatment on page 289.

36, inner of 12–16(–20) bristles. 2n = 18, ray corollas usually pink, sometimes white. disc corollas: indurate portions relatively dull, glabrous or slightly puberulent. pappi: outer of coarse bristles or setiform scales.

Phenology: Flowering May–Aug.
Habitat: Moist or dry soil, meadows or sagebrush
Elevation: 1200–2300(–2800) m



B.C., Calif., Idaho, Mont., Nev., Oreg., Utah, Wash., Wyo.


Variety gracilior was described by A. Cronquist (1947) as “plants slender, the larger stems either not more than 1.5 mm thick near the base or bearing fewer than 5 heads.” Such plants occur mostly in the southern part of the variety’s range (mostly Idaho and Oregon, some in Washington); while the gracile tendency seems real, many arbitrary identifications must be made if two taxa are recognized.

Selected References


Lower Taxa

Guy L. Nesom +
Cronquist +
B.C. +, Calif. +, Idaho +, Mont. +, Nev. +, Oreg. +, Utah +, Wash. +  and Wyo. +
1200–2300(–2800) m +
Moist or dry soil, meadows or sagebrush +
Flowering May–Aug. +
Erigeron pumilus subsp. intermedius +  and Erigeron pumilus var. gracilior +
Erigeron pumilus var. intermedius +
Erigeron pumilus +
variety +