4134

Aquatic with submersed, emersed, and floating leaves; Forb
Perennial
Monoecious

Non-native: Europe /possibly native in some areas

Documented growing wild in - - -

Rare

Look for it in ponds, stagnant water, wet soil, per Weakley's Flora

To see a detailed map, click here

Invasive?

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

• Forest Health Assessment & Applied Sciences Team: New Invaders of the Northeast
• Forest Health Assessment & Applied Sciences Team: New Invaders of the Southeast

 

 

Aquatic ...Wet

LEAVES:
Simple - dimorphic
Opposite. Floating rosettes of spatulate leaves & submersed linear leaves
Margins entire

FLOWER:
Summer
Unisexual
Sepals absent
Petals absent
1 stamen in staminate flowers
Superior ovary

FRUIT:

 

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

• New Invaders of the Northeast and Northcentral US p105
• New Invaders of the Southeast p097

Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Lamiids: Lamiales

WEAKLEY'S FLORA (5/21/15):
Callitriche stagnalis   FAMILY Plantaginaceae

(?) PLANTS NATIONAL DATABASE:
Callitriche stagnalis   FAMILY Callitrichaceae