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Montana Field Guide

Montana Field Guides

Field Fluffweed - Filago arvensis
Other Names:  Logfia arvensis

Non-native Species

Global Rank: GNR
State Rank: SNA

Agency Status
MNPS Threat Rank:
C-value: 0

External Links

General Description
Taprooted annual. Stems erect, mostly simple, 10–50 cm. Herbage white-wooly. Leaves alternate, linear-oblanceolate to linear-lanceolate, 1–2 cm long, entire. Inflorescence leafy, narrow-paniculate with heads in capitate clusters. Heads radiate but appearing discoid, pyriform, 3–5 mm high; true phyllaries minute; bracts of receptacle appearing like phyllaries, wooly-villous, linear-lanceolate; receptacle flat with scales enwrapping the flowers. Flowers slender; outer 2 to 4, female; inner 2–3 mm long, female or perfect, ca. 20. Pappus of inner flowers of capillary bristles; that of outer flowers absent. Achenes brown, cylindric, <1 mm long, glabrous (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range


Range Comments
Introduced BC to MB south to OR, ID, WY, NE, MI; native to Europe (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 520

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density



(Observations spanning multiple months or years are excluded from time charts)

Disturbed areas of grasslands, fields, roadsides, cut-over forests; plains, valleys (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • Johnson, T. W. 1982. An analysis of pack and saddle stock grazing areas in the Bob Marshall Wilderness. M.Sc.Thesis. Bozeman, MT: Montana State University. 105 p.
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
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Citation for data on this website:
Field Fluffweed — Filago arvensis.  Montana Field Guide.  .  Retrieved on , from