Erigeron eatonii var. plantagineus

(Greene) Cronquist

in C. L. Hitchcock et al., Vasc. Pl. Pacif. N.W. 5: 175. 1955.

Endemic
Basionym: Erigeron plantagineus Greene Pittonia 3: 292. 1898
Synonyms: Erigeron eatonii subsp. plantagineus (Greene) Cronquist Erigeron robertianus
Treatment appears in FNA Volume 20. Treatment on page 281. Mentioned on page 280.

Stems 10–23 cm. Heads 1–4, held just beyond to well beyond basal leaves. Involucres 5–7 × (9–)11–12(–14) mm. Phyllaries sparsely to moderately hirtellous (hairs mostly 0.3–0.8 mm), sometimes sparsely minutely glandular. Ray laminae 5.5–8(–9). Disc corollas 3–4 mm. Cypselae 1.8–2.3 mm; pappi of 16–20 bristles 3–3.5 mm. 2n = 18.


Phenology: Flowering May–Aug.
Habitat: Open, grassy sites, often with sagebrush scrub, usually over volcanic substrate, less commonly over serpentine
Elevation: (1000–)1500–2500 m

Discussion

Selected References

None.

Lower Taxa

None.
Guy L. Nesom +
(Greene) Cronquist +
Erigeron plantagineus +
Calif. +  and Oreg. +
(1000–)1500–2500 m +
Open, grassy sites, often with sagebrush scrub, usually over volcanic substrate, less commonly over serpentine +
Flowering May–Aug. +
in C. L. Hitchcock et al., Vasc. Pl. Pacif. N.W. +
Erigeron eatonii subsp. plantagineus +  and Erigeron robertianus +
Erigeron eatonii var. plantagineus +
Erigeron eatonii +
variety +