Erigeron caespitosus Nutt.
tufted fleabane (tufted daisy)
Asteraceae (Aster family)

Introduction to Vascular Plants

Photograph

© Amelie Rousseau     (Photo ID #6451)


Map

E-Flora BC Static Map

Distribution of Erigeron caespitosus
Click here to view the full interactive map and legend

Species Information

General:
Perennial herb from a stout taproot and a thickened stem-base; stems curved or decumbent at the base, several, simple, hoary with short, dense, spreading hairs, 5-30 cm tall.
Leaves:
Basal leaves triple-nerved, lanceolate or spoon-shaped, entire, apex usually rounded or obtuse, 2-14 cm long, 2-15 mm wide, hairy like the stems; stem leaves several to many, egg-shaped-oblong to linear, reduced upwards.
Flowers:
Heads with ray and disk flowers, solitary to many, the disks 9-19 mm wide; involucres 4-7 mm tall; involucral bracts glandular and usually grey-hairy, strongly to slightly graduated, evidently thickened on the back, lance-oblong, tapering to a slender tip; ray flowers 30-100, blue, white, or pink, 5-15 mm long, 1-2.5 mm wide; disk flowers 3.2-4.4 mm long.
Fruits:
Achenes 2-nerved, hairy; pappus double, the inner of 14-25 firm bristles, the outer evident with short bristly scales.

SourceThe Illustrated Flora of British Columbia

Illustration

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.

Ecology

Ecological Framework for Erigeron caespitosus

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

Avg

Min

Max

Elevation (metres)
1680 884 2525
Slope Gradient (%)
33 0 80

Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]

108 20 345
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
2 0 7
Modal Nutrient Regime
Class
C
# of field plots
 species was recorded in:
17
Modal BEC Zone Class
ESSF

All BEC Zones (# of stations/zone) species was recorded in

AT(5), ESSF(6), ICH(1), IDF(3), PP(2)

Habitat and Range

Dry grassy river terraces or meadows in the montane to alpine zones (S Rocky Mountains); infrequent in EC and extreme SE BC; N to AK, YT and NT, E to MB, and S to NE, AZ and WA.

SourceThe Illustrated Flora of British Columbia

Synonyms

Synonyms and Alternate Names:
Erigeron caespitosus var. laccoliticus M.E. Jones