OregonFlora species comparison

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Erigeron karvinskianus

Erigeron cervinus

Santa Barbara daisy

Siskiyou daisy, Siskiyou fleabane
Habit Plants perennial, 10–45 cm; fibrous-rooted, rhizomatous, occasionally with branching caudices.
Stems

erect or ascending, glabrous and mostly eglandular.
Basal leaves

persistent, oblanceolate to obovate, 10–100 × 5–15 mm;

margins entire;

surfaces glabrous, eglandular.
Cauline leaves

oblanceolate to elliptic, 10–50 × 2–10 mm, gradually reduced distally.
Involucres

4–6 × 10–13 mm.
Ray florets

20–40;

corollas white to purple;

rays 3–7 × 0.5–1.5 mm.
Disc florets

corollas 3–5 mm.
Phyllaries

in 2–3 series, usually with dark medial area;

surfaces glabrous, densely glandular.
Fruits

1.5–2 mm, moderately strigose;

inner pappi of numerous barbellate bristles.
Heads

1–4 in loose corymb-like arrays, radiate.

Erigeron karvinskianus

Erigeron cervinus
Distribution
[WildflowerSearch map]
[BONAP county map]
[WildflowerSearch map]
[BONAP county map]
Discussion

Streamsides, river bars, wet rocky banks, moist seeps. Flowering May–Aug. 0–1700 m. Sisk. CA. Native.
Source Flora of Oregon, volume 2, page 253
James Riser, Stephen Meyers
Sibling taxa
E. acris, E. aliceae, E. annuus, E. aphanactis, E. aureus, E. bloomeri, E. cascadensis, E. cervinus, E. chrysopsidis, E. compositus, E. corymbosus, E. coulteri, E. decumbens, E. disparipilus, E. divergens, E. eatonii, E. elegantulus, E. filifolius, E. foliosus, E. glacialis, E. glaucus, E. howellii, E. inornatus, E. klamathensis, E. latus, E. linearis, E. lonchophyllus, E. nivalis, E. oreganus, E. peregrinus, E. petrophilus, E. philadelphicus, E. poliospermus, E. pumilus, E. simplex, E. speciosus, E. stanselliae, E. strigosus, E. tener, E. vagus
E. acris, E. aliceae, E. annuus, E. aphanactis, E. aureus, E. bloomeri, E. cascadensis, E. chrysopsidis, E. compositus, E. corymbosus, E. coulteri, E. decumbens, E. disparipilus, E. divergens, E. eatonii, E. elegantulus, E. filifolius, E. foliosus, E. glacialis, E. glaucus, E. howellii, E. inornatus, E. karvinskianus, E. klamathensis, E. latus, E. linearis, E. lonchophyllus, E. nivalis, E. oreganus, E. peregrinus, E. petrophilus, E. philadelphicus, E. poliospermus, E. pumilus, E. simplex, E. speciosus, E. stanselliae, E. strigosus, E. tener, E. vagus
Synonyms Erigeron delicatus
Web links 
Unless otherwise noted, all data comes from OregonFlora.



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