Antennaria media Greene
dark pussytoes (Rocky Mountain pussytoes)
Asteraceae (Aster family)

Introduction to Vascular Plants

Photograph

© Jim Riley     (Photo ID #58)


Map

E-Flora BC Static Map

Distribution of Antennaria media
Click here to view the full interactive map and legend

Species Information

General:
Perennial herb, mat-forming with stolons 1-4 cm long; stems erect, few, branched above, densely woolly-hairy, 5-13 cm tall.
Leaves:
Basal leaves spoon-shaped to oblanceolate or linear, gradually stalked, 6-20 mm long, 2-6 mm wide, grey-hairy to densely woolly-hairy, 1-nerved; stem leaves similar, becoming unstalked, linear, reduced upwards, abruptly sharp-pointed, with a sharp, slender point.
Flowers:
Heads several to numerous in a compact inflorescence; involucres of 2 types, the female ones 4-8 mm tall, the male ones similar, 4-8 mm tall; involucral bracts lanceolate, the upper papery portion dark brown, black or olivaceous; female flowers 3.5-4.5 mm long, male flowers 2.5-4.5 mm long.
Fruits:
Female and male achenes 0.6-1.5 mm long, glabrous or warty; pappus white with hairlike bristles, 4-4.5 mm long.
Notes:
Male plants are rare or lacking in N BC.

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 Antennaria media

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)
2124 1802 2366
Slope Gradient (%)
34 0 110

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

224 185 328
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
2 2 4
Modal Nutrient Regime
Class
B
# of field plots
 species was recorded in:
5
Modal BEC Zone Class
ESSF

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

AT(1), ESSF(4)

Habitat and Range

Mesic to dry meadows, rocky slopes and fellfields in the subalpine and alpine zones; common throughout BC; N to AK, YT and NT, E to AB and S to CO and CA.

SourceThe Illustrated Flora of British Columbia

Synonyms

Synonyms and Alternate Names:
Antennaria alpina var. media (Greene) Jeps.
Antennaria austromontana E. Nels.
Antennaria candida Greene
Antennaria densa Greene
Antennaria gormanii H. St. John
Antennaria modesta Greene
Antennaria mucronata E. Nels.