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

Pseudognaphalium macounii (Greene) Kartesz
sticky cudweed
Asteraceae (Aster family)

Introduction to Vascular Plants

© Jamie Fenneman  Email the photographer   (Photo ID #14581)

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Distribution of Pseudognaphalium macounii
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Species Information

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Annual or biennial herb from a taproot; stems simple or branched above, conspicuously glandular-hairy becoming woolly-hairy above, 10-90 cm tall.
Basal leaves soon deciduous; stem leaves alternate, entire, lanceolate or oblanceolate or the uppermost linear-oblong, wing-margined at the base, upper surface glandular-hairy, lower surface usually woolly, sometimes glandular-hairy, 2-10cm long, 5-20 mm wide.
Heads disciform, numerous in a flat-topped to rounded, many-headed inflorescence; involucres 5-7 mm tall; involucral bracts graduated, yellowish to whitish, abruptly sharp-pointed.
Achenes nerveless, glabrous or with nipplelike projections; pappus bristles distinct, falling separately.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic to dry forests in the lowland and montane zones; frequent in S BC east of the Coast-Cascade Mountains, rare in SW BC; E to PQ and S to TN, CA, and MX.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Pseudognaphalium macounii

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) 290 680 892
Slope Gradient (%) 5 27 70
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
172 225 280
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
2 2 2
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: ICH(3)


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

Gnaphalium decurrens Ives, non L.
Gnaphalium macounii Greene
Gnaphalium viscosum H.B.K.
Pseudognaphalium viscosum (Kunth) W.A. Weber

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References