Missouri Department of Conservation
Missouri Department of Conservation

Taxonomy

Common Name: RIGID SEDGE

Phylum: MAGNOLIOPHYTA

Class: LILIOPSIDA

Order: CYPERALES

Family: CYPERACEAE

Genus: CAREX

Species: TETANICA

Taxonomic Authority: SCHKUHR

Taxonomy References: 003 , 002

Status

STATE RANK S3
GLOBAL RANK G4G5

Status References: 001

Habitat Summary

"This species is primarily associated with fens and groundwater seep areas *02*. Also found in moist swales and along wooded creeks *03*."

Primary Habitat: "Wetland - fen/seep"

References: 003 , 002

Distribution

General Occurrence in State:

"Primarily found in east-central Missouri, also in Dallas and Harrison counties *03,04*."

County Occurance

County Occurence
Known Likely Unknown Not Likely Historic Extirpated
CRAWFORD BARRY
DALLAS WASHINGTON
DENT
FRANKLIN
HARRISON
ST. FRANCOIS

References for distribution: 003 , 004 , 002

Distribution by Watersheds

Meramec R.
Big R.
Grand R. from Headwaters to Shoal Creek
Niangua R.

Comments: "Historic record: (11010001 White R. Above Table Rock Dam) *04*."

Distribution by Ecoregions

Comments: ""

Distribution by Potential Natural Vegetation

Oak-Hickory Forest

Distribution by Natural Divisions of Missouri

Glaciated Plains: Grand River
Ozark Border: Mississippi River
Ozark: Upper Ozark

Habitat Associations

Species is associated with "Terrestrial" habitats.

National Wetlands Inventory Association:

Aquatic Associations:

References for Aquatic Associations:

Habitat Types:

References for Habitat Types:

Terrestrial Natural Communities:

Ground Water Seepage
Fen
Seep

References for Terrestrial Natural Communities: 003 , 002

Food Habits

Trophic Level:

""

Larval Food Habits

Comments for larval food habits:
""

References for larval food habits:

Juvenile Food Habits

Comments for Juvenile Food Habits:
""

References Juvenile Food Habits

Adult Food Habits

Comments for Adult Food Habits:
""

References Adult Food Habits

Niche Requirements

Egg Niche Requirements

References for egg niches requirements:

Feeding Larvae Niche Requirements

References for feeding larvae niche requirements:

Resting Larvae Niche Requirements

References for resting Larvae niche requirements:

Feeding Juvenile Niche Requirements

References for feeding juvenile niche requirements:

Resting Juvenile Niche Requirements

References for resting juvenile niche requirements:

Breeding Adult Niche Requirements

References for feeding Adult niche requirements:

Feeding Adult Niche Requirements

References for feeding adult niche requirements:

Resting Adult Niche Requirements

References for resting adult niche requirements:

Niche Requirement Summary

Seeps/springs specified in comments(00210)

Comments about Life History:

Code Comment
003 Associated with galium obtusum, lilium michiganense; spartina pectinata, and veronicastrum virginicum *003*.
043 The basal leaf sheath usually persistIIng and becoming more or less dissected into hairlike fibers *002*.
050 Records indicate fruiting plants for May *003*.

Life History Information

Reproduction (plants):plants monoecious
Reproduction (plants):rhizomatous
Winter persistence of above-ground stem:see comments(043)
Duration of plant:perennial
Life form:herb
Flowering period begins: May
Flowering period ends: June
Fruiting period begins: see comments(050)
Origin in state: native
Closely associated plant or animal species specified in comments(003)

Comments about Life History:

Code Comment
003 Associated with galium obtusum, lilium michiganense; spartina pectinata, and veronicastrum virginicum *003*.
043 The basal leaf sheath usually persistIIng and becoming more or less dissected into hairlike fibers *002*.
050 Records indicate fruiting plants for May *003*.

References for life history: 003 , 002

Management

Beneficial Management Practices:

Beneficial Management References:

Adverse Managment Practices:

Adverse Management References:

Comments on Management:

References for Management Comments:

References

Reference Code Citation
001 Missouri Natural Heritage Program. 2008. Missouri Species and Communities of Conservation Concern Checklist. Missouri Department Of Conservation. Jefferson City, Missouri. 55 pp.
002 Yatskievych, G. 1999. Steyermark's Flora Of Missouri. Vol.1 Jefferson City, Missouri. Department Of Conservation. 991 Pp.
003 Unpb Flora Of Missouri Database. G. Yatskievych, Missouri Botanical Garden, P.O. Box 299, St. Louis, Mo. 63166-0299. 314-577-9522.
004 Unpb Missouri Department Of Conservation Heritage Database. P.O. Box 180, Jefferson City, Missouri 65102. 573-751-4115.