Agoseris apargioides var. maritima

(E. Sheldon) Cronquist in C. L. Hitchcock et al.

Sida21: 716. 2004

Common names: Oregon agoseris
Synonyms: Agoseris apargioides maritima
Basionyms: Agoseris maritima
Found in FNA Volume 19. Treatment on page 332. Mentioned on page 331, 333.
Leaves mostly erect; blades oblanceolate, 4–10(–13) cm × 4–20 mm, margins entire, toothed, or lobed, lobes lanceolate to oblanceolate, faces glabrous or sparsely villous. Phyllaries lanceolate to oblanceolate, margins glabrous or ciliate, faces glabrous or villous (hairs opaque, mostly whitish), mostly eglandular. Corollas ± equal to phyllaries at flowering, ligules 3–6 mm; anthers 1.5–2.5 mm. Cypselae ± monomorphic, whitish, not purplish, ribs ± ridged, straight, ± uniform. 2n = 36.

Phenology: Flowering Jul–Aug.
Habitat: Coastal dunes, sand hills, and beach heads
Elevation: 0–50 m


Calif., Oreg., Wash.


Variety maritima occurs from Humboldt Bay, California, to Neah Bay, Washington.



AuthorGary I. Baird +
BasionymAgoseris maritima +
Common nameOregon agoseris +
Elevation0–50 m +
HabitatCoastal dunes, sand hills, and beach heads +
IllustratorYevonn Wilson-Ramsey +
PhenologyFlowering Jul–Aug. +
ReferenceNone +
SynonymAgoseris apargioides maritima +
Taxon nameAgoseris apargioides var. maritima +
Taxon parentAgoseris apargioides +
Taxon rankvariety +
VolumeVolume 19 +