Flora of North America species comparison

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Gnaphalium uliginosum

brown cudweed, low cudweed, marsh cudweed
Habit Annuals, 3–15(–25) cm; taprooted or fibrous-rooted.
Stems

erect, usually branched from bases, sometimes simple, closely to loosely tomentose.
Leaf

blades oblanceolate, 1–5 cm × 1–3 mm.
Bracts

subtending heads linear, oblanceolate, or obovate, 5–15 × 1–2 mm, usually surpassing glomerules.
Involucres

2–4 mm.
Phyllaries

brownish, bases woolly, inner narrowly triangular with whitish, acute apices.
Heads

borne singly or in terminal, capitate glomerules, sometimes in axillary glomerules.
2n

= 14.

Gnaphalium uliginosum
Phenology Flowering Jul–Oct.
Habitat Lake and pond margins, stream banks, wet meadows, other permanently or sporadically moist sites, disturbed sites
Elevation 1400–3000 m (4600–9800 ft)
Distribution
from FNA
AK; CO; CT; DE; IA; ID; IL; KS; KY; MA; MD; ME; MN; MT; NH; NJ; NY; OH; OR; PA; RI; SD; UT; VA; VT; WA; WI; WV; WY; AB; BC; MB; NB; NF; NS; ON; PE; QC; SK; YT; SPM; Greenland; Europe
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[BONAP county map]
Discussion

Gnaphalium uliginosum is native to Europe; it is not clear whether some or all of the North American plants may have been introduced into the flora.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 19, p. 430.
Parent taxa Asteraceae > tribe Gnaphalieae > Gnaphalium
Sibling taxa
G. exilifolium, G. palustre
Synonyms Filaginella uliginosa
Name authority Linnaeus: Sp. Pl. 2: 856. (1753)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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