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

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

Introduction to Vascular Plants

© Jim Riley  Email the photographer   (Photo ID #58)

E-Flora BC Static Map
Distribution of Antennaria media
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Species Information

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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.

Source: The Illustrated Flora of British Columbia

Habitat / 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.

Source: The Illustrated Flora of British Columbia

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

Minimum

Average

Maximum

Elevation (metres) 1802 2124 2366
Slope Gradient (%) 0 34 110
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
185 224 328
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
2 2 4
Modal Nutrient Regime
Class
B
Number 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)

Climate

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

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.

Taxonomic and Nomenclatural Links

Additional Photo Sources

Related Databases

General References