Equisetum variegatum subsp. variegatum
northern scouring-rush
Equisetaceae (Horsetail family)
Introduction to Vascular Plants
northern scouring-rush
Equisetaceae (Horsetail family)
Introduction to Vascular Plants
Map
Distribution of Equisetum variegatum subsp. variegatum
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Species Information
General:
Perennial evergreen from a branched, shiny, blackish rhizome.
Stems:
10-50 cm tall, 1-3 mm thick, their central cavity 1/4 the stem diameter, unbranched, the sheaths with 3-14 teeth.
Cones:
5-7 mm long, pointed at the tip.
Notes:
A hybrid with E. hyemale (E. x trachyodon A. Braun) was collected on the Queen Charlotte Islands (Calder & Taylor 1968). A hybrid with E. laevigatum (E. x nelsonii [A. A. Eaton] Schaffn.) has not been reported from BC, but can be expected.
Ecology
Ecological Framework for Equisetum variegatum ssp. variegatum
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) |
1594 | 1594 | 1594 |
| Slope
Gradient (%) |
2 | 2 | 2 |
|
Aspect (degrees) |
0 | ||
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
7 | 7 | 7 |
| Modal
Nutrient Regime
Class |
B | ||
| #
of field plots species was recorded in: |
1 | ||
| Modal
BEC Zone Class |
ESSF | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
ESSF(1) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and Range
Wet lake shores, streambanks, fens, meadows, clearings and roadsides from the lowland and steppe to subalpine and (rarely) alpine zones; frequent in coastal (ssp. alaskanum) and interior BC (ssp. variegatum); circumpolar, N to AK, E to NF and S to NH, CT, PA, MI, MN, WY, CO, UT, ID and OR; Eurasia.Synonyms
Synonyms and Alternate Names:
Equisetum variegatum var. variegatum Schleich. ex F. Weber & D. Mohr