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Triadenum virginicum (L.) Raf.
Virginia marsh St. John’s-wort

Triadenum virginicum
Copyright by: Shirley Denton

Family: Hypericaceae

Group: Dicot

Substrate: Terrestrial

Habit: Herb

Perennation: Perennial

Native Range: Eastern and central North America.

Map of select IRC data for peninsular Florida

IRC SOUTH FLORIDA Status: Imperiled

SOUTH FLORIDA Occurrence: Present

SOUTH FLORIDA Native Status: Native

SOUTH FLORIDA Cultivated Status: Cultivated

Comments: Visit our Natives For Your Neighborhood website for more information and images.

Other data on Triadenum virginicum available from :

Atlas of Florida Vascular Plants
Triadenum virginicum has been found in the following 11 conservation areas :
Occurrence Native Status
Arthur R. Marshall Loxahatchee National Wildlife Refuge Present Native
Babcock Ranch Preserve Present Native
Corkscrew Regional Ecosystem Watershed (CREW) Present Native
Dupuis Reserve Present Native
Grassy Waters Preserve Present Native
J.W. Corbett Wildlife Management Area Present Native
Jonathan Dickinson State Park Present Native
Loxahatchee Slough Natural Area Present Native
Pal-Mar Natural Area Present Native
Rotenberger Wildlife Management Area Present Native
Savannas Preserve State Park Present Native

Triadenum virginicum has been found in the following 2 counties :
Occurrence Native Status
Martin County Native
Palm Beach County Native

Triadenum virginicum has been found in the following 2 habitats :
Dome Swamp
Strand Swamp

All Images:

Triadenum virginicum
Copyright by: Shirley Denton