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Photo is of parent taxon

leafy fleabane, thread stem fleabane

Photo is of parent taxon

Mendocino erigeron, Mendocino fleabane

Leaves

without prominent 1-directional orientation;

blades (filiform or linear to oblanceolate) 20–40(–50) × 1–5(–10) mm, apices usually rounded, faces sparsely strigose to hirsuto-strigose.

without prominent 1-directional orientation;

blades 20–40 × 2–4 mm wide, apices acute to obtuse, faces glabrous or glabrate (margins and midveins ascending-ciliate).

Ray florets

15–49;

corollas 6–10 mm.

25–48;

corollas 10–15 mm.

Disc corollas

3.5–4(–5) mm.

3.8–5 mm.

Phyllaries

0.5–0.8 mm wide, margins usually thick or only with narrow scarious rims, midnerves usually not distinct and orange-resinous, abaxial faces glabrate to sparsely strigose, sometimes sparsely, obscurely glandular;

inner phyllaries 3.2–4.5 mm.

0.8–1 mm wide, margins usually broadly scarious, midnerves usually not distinct and orange-resinous, abaxial faces moderately to densely strigoso-hirsute, densely, prominently glandular;

inner phyllaries 5–6.5 mm.

2n

= 18.

Erigeron foliosus var. foliosus

Erigeron foliosus var. mendocinus

Phenology Flowering May–Aug(–Sep). Flowering May–Aug.
Habitat Dry, open, rocky or grassy slopes, chaparral, oak to pine or pine-fir woodlands Bars, banks, and ledges along rivers, dry slopes
Elevation (50–)300–2300(–2900) m ((200–)1000–7500(–9500) ft) 30–800 m (100–2600 ft)
Distribution
from FNA
CA; Mexico (Baja California)
[BONAP county map]
from FNA
CA
[BONAP county map]
Discussion

Of conservation concern.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 20, p. 312. FNA vol. 20, p. 313.
Parent taxa Asteraceae > tribe Astereae > Erigeron > Erigeron foliosus Asteraceae > tribe Astereae > Erigeron > Erigeron foliosus
Sibling taxa
E. foliosus var. confinis, E. foliosus var. franciscensis, E. foliosus var. hartwegii, E. foliosus var. mendocinus
E. foliosus var. confinis, E. foliosus var. foliosus, E. foliosus var. franciscensis, E. foliosus var. hartwegii
Synonyms E. foliosus var. stenophyllus, E. tenuissimus E. mendocinus
Name authority unknown (Greene) G. L. Nesom: Phytologia 72: 187. (1992)
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