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Carex wiegandii . Mack
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Following modified from Plants Database, United States Department of Agriculture
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https://plants.usda.gov/java/profile?symbol=CAWI7 ---> http://plants.usda.gov/core/profile?symbol=CAWI7
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Carex wiegandii Mack.
Wiegand's sedge

General Information
Symbol: CAWI7
Group: Monocot
Family: Cyperaceae
Duration: Perennial
Growth Habit : Graminoid
Native Status : CAN   N
L48   N
Data Source and Documentation
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green round image for nativity Native blue round image for introduced Introduced ocre round image for introduced and nativity Both white round image for no status Absent/Unreported
image for native, but no county data Native, No County Data image for introduced, but no county data Introduced, No County Data both introduced and native, but no county data Both, No County Data
Native Status:
lower 48 status L48    Alaska status AK    Hawaii status HI    Puerto Rico status PR    Virgin Islands status VI    Navassa Island NAV    Canada status CAN    Greenland status GL    Saint Pierre and Michelon status SPM    North America NA   





Click on a scientific name below to expand it in the PLANTS Classification Report.
Rank Scientific Name and Common Name
Kingdom Plantae – Plants
Subkingdom Tracheobionta – Vascular plants
Superdivision Spermatophyta – Seed plants
Division Magnoliophyta – Flowering plants
Class Liliopsida – Monocotyledons
Subclass Commelinidae
Order Cyperales
Family Cyperaceae – Sedge family
Genus Carex L. – sedge
Species Carex wiegandii Mack. – Wiegand's sedge

Subordinate Taxa

This plant has no children

Legal Status

Threatened and Endangered Information:
This plant is listed by the U.S. federal government or a state. Common names are from state and federal lists. Click on a place name to get a complete protected plant list for that location.
Maine Wiegand sedge Special Concern
Massachusetts Wiegand's sedge Endangered
Michigan Wiegand's sedge Threatened
New Hampshire Wiegand's sedge Threatened
New York Wiegand's sedge Endangered
Pennsylvania Wiegand's sedge Threatened

Wetland Status

Interpreting Wetland Status

North America
Eastern Mountains and Piedmont OBL
Northcentral & Northeast OBL

Related Links

More Accounts and Images
Flora of North America (CAWI7)
Integrated Taxonomic Information System (CAWI7)
Lady Bird Johnson Wildflower Center Native Plant Information Network (CAWI7)



Source Large Mammals Small Mammals Water Birds Terrestrial Birds


Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Description of Values

Value Class Food Cover

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Following modified from Flora of North America
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Link to Flora of North America home
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FNA Vol. 23 Page 326, 328 , 329 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 23 | Cyperaceae | Carex

91. Carex wiegandii Mackenzie in N. L. Brittion et al., N. Amer. Fl. 18: 108. 1931.

Carex de Wiegand

Culms 10—105 cm. Leaves 3—8 per culm; sheaths tight, inner band hyaline, 4—23 cm, apex concave, ± glabrous; ligules rounded to obtuse, 0.9—2.5 mm; blades plicate, 11—45 cm × 1.7—5 mm, widest leaf 2.8—5 mm wide. Inflorescences (0.8—)1.5—3 cm; spikes 4—6; lateral spikes gynecandrous, 4.5—8 mm, sessile, staminate portion (0—)1—3-flowered, (0—)0.5—2 mm, pistillate portion 5—21-flowered, 3—8 mm; basal 2 spikes 1.3—9.5 mm apart; terminal spike androgynous, 6.1—14.5 mm, staminate portion 5—20-flowered, 2—8.6 × 0.8—1.3 mm, pistillate portion 7—25-flowered, 3—8 × 5—7.3 mm. Pistillate scales ovate, 1.45—2(—2.2) × 1.3—1.9 mm, apex obtuse to acute, sometimes shortly mucronate. Staminate scales ovate, 1.2—2.3 × 1.4—1.8 mm, apex obtuse to acute. Anthers 0.7—1.3 mm. Perigynia spreading to reflexed, green to castaneous, 5—18-veined abaxially, faintly 0—10-veined adaxially, broadly ovate, 2.55—3.75 × (1.25—)1.4—2(—2.1) mm, (1.4—)1.6—2.5 times as long as wide; beak 0.55—1.1(—1.35) mm, 0.25—0.55 length of body, serrulate, teeth 0.2—0.5 mm. Achenes ovate, 1.4—1.9 × 1.1—1.55 mm.

Fruiting late spring—early summer. Bogs, openings in acidic conifer, mixed, or alder swamps, wet acidic sandy or peaty meadows; 0—1300 m; St. Pierre and Miquelon; N.S., Nfld. and Labr., N.S., Ont., P.E.I., Que.; Maine, Mass., Mich., N.H., N.Y., Pa., Vt.

A putative hybrid between Carex wiegandii and C. echinata subsp. echinata has been collected in Michigan.

Updated: 2019-09-16 02:56:23 gmt
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