Home/Species/ Dwarf Scouring-rush

Equisetum scirpoides

Michx.

Dwarf Scouring-rush

G5Secure Found in 16 roadless areas NatureServe Explorer →

G5SecureGlobal Rank

Least concernIUCN

Identity

Unique IDELEMENT_GLOBAL.2.152751

Element CodePPEQU01080

Record TypeSPECIES

ClassificationSpecies

Classification StatusStandard

Name CategoryVascular Plant

IUCNLeast concern

KingdomPlantae

PhylumSphenophyta

ClassEquisetopsida

OrderEquisetales

FamilyEquisetaceae

GenusEquisetum

Other Common Names

dwarf scouringrush (EN) Prêle faux-scirpe (FR)

Concept Reference

Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.

Conservation Status

Rank MethodExpertise without calculation

Review Date2016-05-16

Change Date1990-06-04

Edition Date1983-07-22

Edition AuthorsOrmes, M.

Range Extent>2,500,000 square km (greater than 1,000,000 square miles)

Number of Occurrences81 to >300

Rank Reasons

The sp. is only rare in the periphery of its range (SD and IA).

Range Extent Comments

Circumboreal, south to Washington, Montana, Michigan, and Connecticut. Disjunct in the Black Hills of South Dakota and Wyoming (Crook County).

Ecology & Habitat

Habitat

Moist thickets, mossy knolls, or spring banks, especially coniferous woods.

Other Nations (2)

CanadaN5

Province	Rank	Native
Ontario	S5	Yes
Northwest Territories	S4	Yes
New Brunswick	S4	Yes
Labrador	S3	Yes
Nova Scotia	S4	Yes
Nunavut	S4	Yes
Yukon Territory	S5	Yes
Prince Edward Island	S1	Yes
Manitoba	S4	Yes
Saskatchewan	S4	Yes
Alberta	S5	Yes
British Columbia	S5	Yes
Quebec	S5	Yes
Island of Newfoundland	S3	Yes

United StatesNNR

Province	Rank	Native
Massachusetts	S3	Yes
New Hampshire	SNR	Yes
South Dakota	S3	Yes
Connecticut	S1	Yes
Michigan	SNR	Yes
Washington	SNR	Yes
Montana	S3	Yes
Iowa	S2	Yes
Idaho	SNR	Yes
Alaska	SNR	Yes
New York	S5	Yes
Wyoming	S1	Yes
Minnesota	SNR	Yes
Illinois	SH	Yes
Vermont	S5	Yes
Pennsylvania	S1	Yes
Wisconsin	SNR	Yes
North Dakota	SNR	Yes
Maine	SNR	Yes

Plant Characteristics

Economic Value (Genus)No

Roadless Areas (16)

Alaska (1)

Area	Forest	Acres
Kosciusko	Tongass National Forest	64,134

Montana (4)

Area	Forest	Acres
Bear - Marshall - Scapegoat - Swan	Helena National Forest	51,360
Big Snowy Mountains Wsa	Lewis and Clark National Forest	88,003
Lebeau #507	Kootenai National Forest	1,259
Sapphire	Bitterroot National Forest	43,303

New Hampshire (2)

Area	Forest	Acres
Dartmouth Range	White Mountain National Forest	9,233
Kilkenny	White Mountain National Forest	28,766

Vermont (2)

Area	Forest	Acres
Griffith Lake 09084	Green Mountain and Finger Lakes National Forests	1,833
Wilder Mountain 09082	Green Mountain and Finger Lakes National Forests	8,759

Washington (6)

Area	Forest	Acres
Abercrombie - Hooknose	Colville National Forest	33,862
Grassy Top	Colville National Forest	10,302
Grassy Top	Idaho Panhandle National Forests	13,485
Harvey Creek	Colville National Forest	10,140
Mt. Bonaparte	Okanogan National Forest	10,891
Salmo - Priest B	Colville National Forest	11,869

Wisconsin (1)

Area	Forest	Acres
09154 - St. Peters Dome	Chequamegon-Nicolet National Forest	4,002

References (1)

Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.