General:
Perennial herb from a creeping rhizome or with a well-developed woody stem-base; stems erect, solitary to few, simple, glabrous or soft-hairy, 5-16 cm tall.

Leaves:
Basal leaves linear to narrowly oblong, long-hairy on the margins, entire, 0.5-3.5 cm long, 1-2 mm wide; stem leaves single or few, linear, entire, reduced, often with brownish-translucent margins near the tip.

Flowers:
Heads with ray and disk flowers, solitary with woolly-hairy bases; involucres 4-7 mm tall; involucral bracts oblong, the centers greenish, the broad brown margins papery, glabrous or long-hairy; ray flowers white, 8-15 mm long; disk flowers yellow.

Fruits:
Achenes nearly cylindric, usually 5-ribbed; pappus lacking.

Source:  The Illustrated Flora of British Columbia

If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.

Illustration Source:  The Illustrated Flora of British Columbia

Synonyms and Alternate Names:
Arctanthemum integrifolium (Richardson) Tzvelev
Chrysanthemum integrifolium Richardson
Leucanthemum integrifolium (Richardson) DC.