Home/Species/ Seven-angle Pipewort

Eriocaulon aquaticum

(Hill) Druce

Seven-angle Pipewort

G5Secure Found in 12 roadless areas NatureServe Explorer →

G5SecureGlobal Rank

Least concernIUCN

Identity

Unique IDELEMENT_GLOBAL.2.137092

Element CodePMERI010B0

Record TypeSPECIES

ClassificationSpecies

Classification StatusStandard

Name CategoryVascular Plant

IUCNLeast concern

KingdomPlantae

PhylumAnthophyta

ClassMonocotyledoneae

OrderEriocaulales

FamilyEriocaulaceae

GenusEriocaulon

Synonyms

Eriocaulon pellucidumMichx.Eriocaulon septangulareWithering

Other Common Names

Ériocaulon aquatique (FR) sevenangle pipewort (EN)

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.

Taxonomic Comments

Eriocaulon aquaticum is called Eriocaulon septangulare in most North American literature; if the North American plants are distinguished from the Eurasian ones, then E. pellucidum (rather than E. septangulare) may be the more appropriate name (cf. FNA review draft 5/98).

Conservation Status

Rank MethodExpertise without calculation

Review Date2016-05-13

Change Date1984-04-24

Edition Date1993-07-11

Edition AuthorsMary J. Russo (1993), rev. L. Morse (1998)

Range Extent20,000-2,500,000 square km (about 8000-1,000,000 square miles)

Number of Occurrences81 to >300

Rank Reasons

Widespread in eastern North America as well as Eurasia.

Range Extent Comments

Canadian Shield of southern Canada, the Great Lakes region, New England, south to the North Carolina mountains and Coastal Plain. Also in Eurasia (when treated as E. aquaticum rather than E. septangulare or E. pellucidum).

Occurrences Comments

More common in northern North America.

Threat Impact Comments

Wetland drainage and bog succession are low-level threats to this widespread species (Southern Appalachian Species Viability Project 2002).

Ecology & Habitat

Habitat

Along sandy or peaty lakeshores, pond margins, blackwater creeks, tidal freshwater marshes, ditches, muskeg, and sphagnous bogs.

Other Nations (2)

CanadaN5

Province	Rank	Native
New Brunswick	S5	Yes
Quebec	S5	Yes
Nova Scotia	S5	Yes
Ontario	S5	Yes
Manitoba	S1	Yes
Labrador	S1	Yes
Island of Newfoundland	S5	Yes
Prince Edward Island	S2	Yes

United StatesNNR

Province	Rank	Native
Wisconsin	SNR	Yes
Alabama	SH	Yes
Minnesota	SNR	Yes
Maine	SNR	Yes
District of Columbia	SH	Yes
New Jersey	S4	Yes
Connecticut	SNR	Yes
New Hampshire	SNR	Yes
Maryland	S1	Yes
Massachusetts	SNR	Yes
Pennsylvania	SNR	Yes
Michigan	SNR	Yes
Delaware	S2	Yes
Ohio	S1	Yes
New York	S5	Yes
Rhode Island	SNR	Yes
North Carolina	S2	Yes
Virginia	S1	Yes
Texas	SNR	Yes
Indiana	S1	Yes
Vermont	S5	Yes

Plant Characteristics

Economic Value (Genus)No

Roadless Areas (12)

Maine (1)

Area	Forest	Acres
Caribou - Speckled Ext	White Mountain National Forest	5,988

Minnesota (3)

Area	Forest	Acres
Baker - Homer - Brule Lakes	Superior National Forest	6,712
Cabin Creek	Superior National Forest	6,071
Hegman Lakes	Superior National Forest	675

New Hampshire (4)

Area	Forest	Acres
Kearsarge	White Mountain National Forest	4,554
Mt. Wolf - Gordon Pond	White Mountain National Forest	11,846
Pemigewasset Ext	White Mountain National Forest	15,840
Sandwich Range	White Mountain National Forest	16,797

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

Virginia (2)

Area	Forest	Acres
Kelley Mountain	George Washington National Forest	7,590
Three Ridges	George Washington National Forest	4,745

References (8)

Fernald, M.L. 1970. Gray's manual of botany. 8th edition. 1970 printing with corrections by R.C. Rollins [of 1950 8th edition]. D. Van Nostrand Company, New York.
Flora of North America Editorial Committee. 1998. Review draft of forthcoming volume on smaller monocot families. (Received 5/98).
Godfrey, R.K., and J.W. Wooten. 1979. Aquatic and wetland plants of southeastern United States: Monocotyledons. Univ. Georgia Press, Athens. 712 pp.
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.
Kartesz, J. T., and C. Meacham. 1998b. Unpublished review draft of Floristic Synthesis, 14 May 1998. North Carolina Botanical Garden, Chapel Hill, NC.
Radford, A.E., H.E. Ahles, and C.R. Bell. 1968. Manual of the vascular flora of the Carolinas. Univ. North Carolina Press, Chapel Hill, NC. 1183 pp.
Southern Appalachian Species Viability Project. 2002. A partnership between the U.S. Forest Service-Region 8, Natural Heritage Programs in the Southeast, NatureServe, and independent scientists to develop and review data on 1300+ regionally and locally rare species in the Southern Appalachian and Alabama region. Database (Access 97) provided to the U.S. Forest Service by NatureServe, Durham, North Carolina.
Weakley, A.S. No date. Working Draft of Flora of the Carolinas and Virginia. The Nature Conservancy, Southern Heritage Task Force, Southeast Regional Office.