| Carex wiegandii |
| Wiegand's Sedge |
Key Characteristics
Densely clumped sedge of bogs and acidic swamps; leaves 3-5 mm; perigynia flattened and strongly reflexed with toothed beaks.
Status and Rank
- State Status: T - Threatened (legally protected)
- State Rank: S2 - Imperiled
- Global Rank: G3 - Vulnerable
Occurrences
| County Name | Number of Occurrences | Year Last Observed |
|---|---|---|
| Chippewa | 13 | 2001 |
| Delta | 3 | 1996 |
| Luce | 1 | 1999 |
| Mackinac | 1 | 1995 |
![Occurrence Map for [Sname]](https://webarchive.library.unt.edu/eot2008/20090116104731im_/http://web4.msue.msu.edu/mnfi/maptmp/NFR_Distributions12321026325560.png)
Information is summarized from MNFI's database of rare species and community occurrences. Data may not reflect true distribution since much of the state has not been thoroughly surveyed.
Habitat
Found in thin peatlands on glacial lakeplains, occasionally in open bogs, and often in transition zones between poor conifer swamp and sedge meadow or shrub thickets.
Natural Community Types
Associated Plants
Labrador tea, leatherleaf, black spruce, jack pine, red maple, black chokeberry, blueberry, northern blue-flag, sensitive fern, bog laurel, wool-grass, blue-eyed-grass, strict sedge, Carex oligosperma, and Sphagnum mosses.
Management
Likely requires conservation of hydrology and local disturbance regimes.
General Survey Guidelines
Random meander search covers areas that appear likely to have rare taxa, based on habitat and the judgement of the investigator.
Survey Methods
- Meander search
Survey Period: From first week of June to first week of July
References
Survey References
- Elzinga, C.L., D.W. Salzer, and J.W. Willoughby. 1998. Measuring and Monitoring Plant Populations. The Nature Conservancy and Bureau of Land Management, Denver. BLM Technical Reference 1730-1. 477pp.
- Goff, G.F., G.A. Dawson, and J.J. Rochow. 1982. Site examination for Threatened and Endangered plant species. Environmental Management 6(4): 307-316
- Nelson, J.R. 1984. Rare Plant Field Survey Guidelines. In: J.P. Smith and R. York. Inventory of rare and endangered vascular plants of California. 3rd Ed. California Native Plant Society, Berkeley. 174pp.
- Nelson, J.R. 1986. Rare Plant Surveys: Techniques For Impact Assessment. Natural Areas Journal 5(3):18-30.
- Nelson, J.R. 1987. Rare Plant Surveys: Techniques for Impact Assessment. In: Conservation and management of rare and endangered plants. Ed. T.S. Elias. California Native Plant Society, Sacramento. 8pp.
Technical References
- Flora of North America Editorial Committee. 2002. Flora of North America, North of Mexico. Volume 23: Magnoliaphyta: Commelinidae (in part): Cyperaceae. Oxford University Press, New York. 608pp.
- Gleason, H. A., and A. Cronquist. 1991. Manual of Vascular Plants of Northeastern United States and Adjacent Canada. Second edition. The New York Botanical Garden, Bronx. 910pp.
- Gray, A. 1950. Gray's Manual of Botany; eighth ed. Van Nostrand Reinghold, New York. 1632pp.
- Holmgren, N.H. 1998. Illustrated Companion to Gleason and Cronquist's Manual. Illustrations of the vascular plants of Northeastern United States and adjacent Canada. New York Botanical Garden, Bronx. 937pp.
- Scoggan, H.J. 1978. The Flora of Canada. National Museum of Natural Science Publications Botany 4: 1711pp.
- Voss, E. G. 1972. Michigan Flora. Part I. Gymnosperms and Monocots. Bulletin of the Cranbrook Institute of Science and University of Michigan Herbarium. 488pp.