Flora of North America species comparison

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Erigeron eatonii var. sonnei

Erigeron eatonii var. plantagineus
Photo is of parent taxon

Eaton's fleabane, Sonne's daisy
Photo is of parent taxon

Eaton's daisy, Eaton's fleabane, Eaton's plantain-leaf fleabane, plantain-leaf daisy
Stems

4–12(–21) cm.

10–23 cm.
Involucres

4.5–8 × 8–12(–16) mm.

5–7 × (9–)11–12(–14) mm.
Ray laminae

4.5–6.6(–8.5) mm.

5.5–8(–9).
Disc corollas

3.5–5 mm.

3–4 mm.
Phyllaries

hirsutulous to villous (hairs 0.5–1.5 mm), eglandular.

sparsely to moderately hirtellous (hairs mostly 0.3–0.8 mm), sometimes sparsely minutely glandular.
Heads

1(–2), held just beyond to well beyond basal leaves.

1–4, held just beyond to well beyond basal leaves.
Cypselae

2.8–3.5 mm;

pappi of 18–30 bristles 3.5–5 mm.

1.8–2.3 mm;

pappi of 16–20 bristles 3–3.5 mm.
2n

= 18.

= 18.

Erigeron eatonii var. sonnei

Erigeron eatonii var. plantagineus
Phenology Flowering May–Sep. Flowering May–Aug.
Habitat Meadows, seeps, rocky flats, often with sagebrush Open, grassy sites, often with sagebrush scrub, usually over volcanic substrate, less commonly over serpentine
Elevation 1800–2800 m (5900–9200 ft) (1000–)1500–2500 m ((3300–)4900–8200 ft)
Distribution
from FNA
CA; NV
[BONAP county map]
from FNA
CA; OR
[BONAP county map]
Source FNA vol. 20, p. 280. FNA vol. 20, p. 281.
Parent taxa Asteraceae > tribe Astereae > Erigeron > Erigeron eatonii Asteraceae > tribe Astereae > Erigeron > Erigeron eatonii
Sibling taxa
E. eatonii var. eatonii, E. eatonii var. lavandulus, E. eatonii var. nevadincola, E. eatonii var. plantagineus, E. eatonii var. villosus
E. eatonii var. eatonii, E. eatonii var. lavandulus, E. eatonii var. nevadincola, E. eatonii var. sonnei, E. eatonii var. villosus
Synonyms E. sonnei, E. nevadensis var. sonnei E. plantagineus, E. eatonii subsp. plantagineus, E. robertianus
Name authority (Greene) G. L. Nesom: Phytologia 73: 190. (1992) (Greene) Cronquist: in C. L. Hitchcock et al., Vasc. Pl. Pacif. N.W. 5: 175. (1955)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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