2388

Submersed aquatic w flowers above the surface occasionally (rooted); Forb
Perennial

Non-native: South America

Documented growing wild in GA NC SC

Uncommon

Look for it in ponds and stagnant water of streams or rivers, per Weakley's Flora

To see a detailed map, click here

INVASIVE

This plant is causing problems in natural areas outside its native range, according to authorities such as:

• Alabama Invasive Plant Council, 2012
• Georgia Exotic Pest Plant Council, 2006
• Kentucky Exotic Pest Plant Council, 2013
• NC Department of Transportation
• SC Department of Natural Resources Aquatic Nuisance Species List, 2003
• SC List of Regulated Pest Plant Species, 2017
• Tennessee Exotic Pest Plant Council, 2009
• Virginia Department of Conservation and Recreation, 2014

 

Aquatic

LEAVES:
Simple
Whorls of 4-6
Leaves sessile

FLOWER:
Spring/Summer/Fall
White
3-merous
3 petals
9 fertile stamens on staminate flowers
Flowers in leaf axils

FRUIT:
Spring/Summer/Fall
Capsule

 

TO LEARN MORE about this plant, look it up in a good book!

• Field Guide to Aquatic Plants of Alabama p40
• Invasive Plants, Guide to Identification, Impacts and Control p424
• Invasive Exotic Plants of North Carolina p096

Spermatophytes (seed plants): Angiosperms (flowering plants): Monocots: Alismatales

WEAKLEY'S FLORA (5/21/15):
Egeria densa   FAMILY Hydrocharitaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Egeria densa   FAMILY Hydrocharitaceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (1968) 028-01-001:
Egeria densa   FAMILY Hydrocharitaceae

SYNONYMOUS WITH Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Anacharis densa

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933)
Philotria densa