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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General:
Annual or biennial herb from a taproot; stems simple or branched above, conspicuously glandular-hairy becoming woolly-hairy above, 10-90 cm tall.
Leaves:
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.
Flowers:
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.
Fruits:
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

Ecology

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

Minimum

Average

Maximum
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
Class		 B
Number of field plots
 species was recorded in:		 3
Modal BEC Zone Class
 ICH
All BEC Zones (# of stations/zone) species was recorded in: ICH(3)

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

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

Taxonomic and Nomenclatural Links

Flora North America treatment for Asteraceae
 Flora North America treatment for Pseudognaphalium macounii
Genetic information (NCBI Taxonomy Database)
 International Plant Names Index
 Taxonomic Information from the World Flora Online
 Integrated Taxonomic Information System

Additional Photo Sources

Images From CalPhoto
UT Austin's Native Plant Database
 Google Image Search
 Flickr Image Search

General References

Google Scholar Search
Family References
 General Botanical References for BC
Recommended citation: Author, Date. Page title. In Klinkenberg, Brian. (Editor) 2020. E-Flora BC: Electronic Atlas of the Plants of British Columbia [eflora.bc.ca]. Lab for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver. [Accessed: 2024-04-18 1:39:33 AM ]
Disclaimer: The information contained in the E-Flora atlas pages is derived from expert sources as cited in each section. This information is scientifically based. E-Flora also acts as a portal to other sites via deep links. As always, users should refer to the original sources for complete information. E-Flora BC is not responsible for the accuracy or completeness of the original information.
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