I would like to
* find out if the plants in my lake are invasive
* find out about the weed watchers program
* find out about
a hot topic
* find contacts for key issues
 
 

Do the floating and submerged leaves look alike or different?

 

Alike
or
Different

 

 

 

 

 

 

 

Are the leaves rooted to the bottom?

Rooted to the bottom
or
Not rooted to the bottom
   Native watermeals and duck weeds

 

 

 

 

 

 

 

 

 

 

Are the leaves ribbon-like? Or are they broad-shaped, or lance-shaped?

Ribbon-like
or
Broad-shaped
or
Lance-shaped
Native wild celery, pickerel weed, burreed or arrowhead       Native smartweed

 

 

 

 

 

 

 

 

 

 

Where does the stem attach?

or
At the end of the leaf:
Stem located more to one end.
In the center of the leaf:
Native plants (although they can act invasively under the right conditions).

 

 

 

 

 

 

 

 

 

What is the shape of the leaves? Are the lobes sharp or rounded?

 
or
Sharp Lobes:
Native lilies
Rounded Lobes:
The leaf lobes are rounded and about the size of a silver dollar; it has small yellow flowers, lacks roots, in a bunch on the stem just below the water surface; it's probably YELLOW FLOATING HEART, a non-native plant. (Click on the name or the drawing for a photo.)

try different-leaves?>>

start over>>

 

 

 

 

 

 

 

Rosettes or no rosettes?

or
 
Rosettes present :
If the leaves are triangular, shiny on the upper side and fine hairs on the underside, it's WATER CHESTNUT, a non-native plant. (Click on the name or the drawing for a photo.)
No rosettes:
Native Merimaid Weed or other pondweeds.

try alike leaves?>>

start over>>

 

 

 
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