E-Flora BC: Electronic Atlas of the Flora of British Columbia

Erigeron ochroleucus Nutt.(Canby ex Rydb.) Cronquist
buff daisy (buff fleabane)
Asteraceae (Aster family)

Introduction to Vascular Plants

© Ryan Batten  Email the photographer   (Photo ID #66877)

E-Flora BC Static Map
Distribution of Erigeron ochroleucus
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Species Information

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Perennial herb from a taproot and a crown or short-branched stem-base; stems erect, simple, usually solitary, closely stiff-hairy with appressed hairs, 1-40 cm tall.
Basal leaves linear to linear-oblanceolate, more or less straight-hairy with appressed hairs, 1-12 cm long, 0.5-5 mm wide, their bases slightly or moderately enlarged and whitish or purplish; stem leaves similar, linear, reduced upwards, often bractlike.
Heads with ray and disk flowers, solitary or few, the disks 6-18 mm wide; involucres 4.5-8 mm tall; involucral bracts more or less densely stiff long-hairy, also somewhat glandular, subequal, sometimes with a brown midrib, usually with purplish tips; ray flowers 20-80, blue, purple or white, 4-12 mm long, 1.2-2.4 mm wide; disk flowers 2.8-4.3 mm long.
Achenes 2-nerved, stiff- or long-hairy; pappus double, the inner of 10-20 firm bristles, the outer of short, usually conspicuous scales.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Dry scree and talus slopes in the alpine zone; rare in SE BC, known only from Mount Gass; E to SK and S to SD, NE and WY.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Erigeron ochroleucus

The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)

Site Information
Value / Class




Elevation (metres) 920 1540 2160
Slope Gradient (%) 7 16 25
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
90 0 270
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
2 2 3
Modal Nutrient Regime
Number of field plots
 species was recorded in:
Modal BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in:


The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Synonyms and Alternate Names

Erigeron ochroleucus var. scribneri Nutt.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References