Home/Species/ Water Earwort

Scapania undulata

(L.) Dum.

Water Earwort

G5Secure Found in 4 roadless areas NatureServe Explorer →

G5SecureGlobal Rank

Identity

Unique IDELEMENT_GLOBAL.2.124342

Element CodeNBHEP33170

Record TypeSPECIES

ClassificationSpecies

Classification StatusStandard

Name CategoryNonvascular Plant

Endemicoccurs (regularly, as a native taxon) in multiple nations

KingdomPlantae

PhylumHepatophyta

ClassJungermanniopsida

OrderJungermanniales

FamilyScapaniaceae

GenusScapania

Other Common Names

Scapanie ondulée (FR)

Concept Reference

Stotler, R. and B. Crandall-Stotler. 1977. A checklist of the liverworts and hornworts of North America. The Bryologist 80(3): 405-428.

Conservation Status

Rank MethodExpertise without calculation

Review Date2017-07-24

Change Date1994-12-31

Range Extent Comments

In North America ranges from the arctic-subarctic to the north temperate zone as far south as northern Georgia in the east and New Mexico and Arizona in the west (Zehr 1980). This species is widespread from Greenland to Alaska, south to California, east to the Great Lakes and New England, and south to West Virginia, Kentucky, and Georgia. It is also widespread in Great Britain, Europe, northern Africa, northern Asia, and Japan (Stotler and Crandall-Stotler 2017).

Ecology & Habitat

Habitat

Occurs in habitats which have low vapor pressure deficits and is usually found in or near bordering streams, although it is certainly not restricted to this (Zehr 1980).

Other Nations (2)

United StatesNNR

Province	Rank	Native
Wyoming	SNR	Yes
Kentucky	SNR	Yes
Montana	SNR	Yes
Delaware	S3	Yes
Minnesota	SNR	Yes
Wisconsin	S2	Yes
Vermont	S5	Yes
Tennessee	S3	Yes
Virginia	SNR	Yes
Arizona	SNR	Yes
Washington	SNR	Yes
Indiana	SNR	Yes
Idaho	SNR	Yes
New Mexico	SNR	Yes
Utah	SNR	Yes
California	SNR	Yes
Pennsylvania	S4	Yes
Colorado	SNR	Yes
West Virginia	SNR	Yes
Oregon	SNR	Yes
Georgia	SNR	Yes

CanadaN5

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

Plant Characteristics

Economic Value (Genus)No

Roadless Areas (4)

North Carolina (2)

Area	Forest	Acres
Bearwallow	Pisgah National Forest	4,113
Sam Knob (addition)	Pisgah National Forest	2,576

Oregon (1)

Area	Forest	Acres
Gordon Meadows	Willamette National Forest	9,463

Washington (1)

Area	Forest	Acres
Upper Skokomish	Olympic National Forest	9,311

References (3)

Stotler, R. and B. Crandall-Stotler. 1977. A checklist of the liverworts and hornworts of North America. The Bryologist 80(3): 405-428.
Stotler, R.E. and B. Crandall-Stotler. 2017. A synopsis of the liverwort flora of North America north of Mexico. Ann. Missouri Bot. Gard. 102: 574-709.
Zehr, D.R. 1980. An assessment of variation in Scapania nemorosa and selected related species (Hepatophyta). J. Cramer, Germany. 140 pp. With 125 figures and 14 tables.