Logfia arvensis (L.) Holub
field filago
Asteraceae (Aster family)
Introduction to Vascular Plants
field filago
Asteraceae (Aster family)
Introduction to Vascular Plants
Species Information
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.
Illustration
If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.
Illustration 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)
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 |
||
|
Avg |
Min |
Max |
|
| Elevation
(metres) |
905 | 449 | 1484 |
| Slope
Gradient (%) |
26 | 0 | 202 |
|
Aspect (degrees) |
176 | 0 | 340 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
2 | 0 | 5 |
| Modal
Nutrient Regime
Class |
C | ||
| #
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) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and Range
Dry roadsides, waste areas and overgrazed grasslands and shrublands in the steppe and montane zones; frequent in extreme S BC; introduced from Europe.Status Information
Synonyms
Synonyms and Alternate Names:
Filago arvensis L.
Gnaphalium arvense L., nom. inval.
Oglifa arvensis (L.) Cass.