Missouri Department of Conservation
Missouri Department of Conservation

Taxonomy

Common Name: GIANT SEDGE

Phylum: MAGNOLIOPHYTA

Class: LILIOPSIDA

Order: CYPERALES

Family: CYPERACEAE

Genus: CAREX

Species: GIGANTEA

Taxonomic Authority: RUDGE

Taxonomy References: 002 , 003

Status

STATE RANK S1S2
GLOBAL RANK G4

Status References: 001

Habitat Summary

"Found in swamps and bottomland forests *02*; shallow water and most edge of sinkhole pond, low woods, and in ditches *03*."

Primary Habitat: "Wetland - swamp"

References: 002 , 003

Distribution

General Occurrence in State:

"Uncommon in southeastern Missouri, almost entirely in the Mississippi lowlands division *02*."

County Occurance

County Occurence
Known Likely Unknown Not Likely Historic Extirpated
CARTER BUTLER
RIPLEY DUNKLIN
STODDARD SCOTT
WAYNE

References for distribution: 002 , 003 , 004

Distribution by Watersheds

St. Francis R. from Wappapello Dam to Arkansas Border
Black R.

Comments: "Historical records for 11010008 (Current R.) *03*."

Distribution by Ecoregions

Comments: ""

Distribution by Potential Natural Vegetation

Oak-Hickory-Pine Forest

Distribution by Natural Divisions of Missouri

Mississippi Lowlands: Lowlands

Habitat Associations

Species is associated with "Terrestrial/Aquatic" habitats.

National Wetlands Inventory Association:

Palustrine

Aquatic Associations:

"Palustrine", "Emergent",
"Palustrine", "Emergent",

References for Aquatic Associations: 002 , 003

Habitat Types:

Swamp

References for Habitat Types: 002

Terrestrial Natural Communities:

Swamps
Swamp

References for Terrestrial Natural Communities: 002 , 003

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

General habitat association specified in comments(00270)

Comments about Life History:

Code Comment
050 Records indicate fruiting plants for May through September *003*.
043 Sheaths of previous season's basal leaves persisting and noticeable *002*.

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: September
Fruiting period begins: see comments(050)
Origin in state: native

Comments about Life History:

Code Comment
050 Records indicate fruiting plants for May through September *003*.
043 Sheaths of previous season's basal leaves persisting and noticeable *002*.

References for life history: 002 , 003

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. 2004. Missouri Species and Communities of Conservation Concern Checklist. Missouri Department Of Conservation. Jefferson City, Missouri. 47 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.