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

Logfia arvensis (L.) Holub
field filago
Asteraceae (Aster family)

Introduction to Vascular Plants

© Jamie Fenneman  Email the photographer   (Photo ID #20843)

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Distribution of Logfia arvensis
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Species Information

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General:
Annual herb from a fibrous root; stems erect, simple or branching, white-woolly, 3-50 cm tall.
Leaves:
Basal leaves lacking; stem leaves alternate, entire, linear, abruptly sharp-pointed, up to 4 cm long and 5 mm wide, white-woolly.
Flowers:
Heads disciform, numerous in tight clusters towards the ends of branches, egg-shaped to conic until mature, 3-5 mm tall; involucres scanty; involucral bracts few, boat-shaped, subtending outermost flowers, woolly throughout; receptacular bracts woolly, simulating an involucre; inner flowers 2-5, white, appearing perfect but often sterile, bractless; outer flowers female, bractless.
Fruits:
Achenes nerveless, papillose; pappus of white, hairlike bristles.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Dry roadsides, waste areas and overgrazed grasslands and shrublands in the steppe and montane zones; frequent in extreme S BC; introduced from Europe.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Logfia arvensis

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) 449 905 1484
Slope Gradient (%) 0 26 202
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
0 176 340
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
0 2 5
Modal Nutrient Regime
Class
C
Number of field plots
 species was recorded in:
110
Modal BEC Zone Class
IDF
All BEC Zones (# of stations/zone) species was recorded in: BG(1), ICH(12), IDF(71), MS(5), PP(19)

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

Filago arvensis L.
Gnaphalium arvense L., nom. inval.
Oglifa arvensis (L.) Cass.

Taxonomic and Nomenclatural Links

Additional Photo Sources

Related Databases

General References