Shared Flashcard Set
Cards
Term
|
Definition
Cyperus esculentus
Perennial with a triangular stem
Part of the Cyperaceae or Sedge Family |
|
|
Term
|
Definition
Echinochloa crus-galli
No ligule or auricle: "naked grass"
 
|
|
|
Term
|
Definition
Setaria pumila
Non-round stem with hairy ligule
Know seed shape- larger than green foxtail.
 

|
|
|
Term
|
Definition
Setaria viridis
Round stem and non-hairy ligule
Know seed shape and size- smaller than yellow

|
|
|
Term
|
Definition
Panicum capillare
Very hairy all over. Heads are more compact than Fall Panicum. Look like witch broom.
|
|
|
Term
|
Definition
Panicum dichotomiflorum
More branched and spaced out heads.
Hairy/fringed ligule.

|
|
|
Term
|
Definition
Abutilon theophrasti
Soft, velvety, heart shaped leaves.
Mitten (heart-ish) shaped seeds that are similar to but larger than venice mallow seeds.
 
 
|
|
|
Term
|
Definition
Polygonum convolvulus
Spade shaped, pointy leaves.
Base of leaves point inward. Presence of ochrea makes it different from field bindweed.


|
|
|
Term
|
Definition
Convolvulus arvensis
Does not have an ochrea. Cute little white flowers. Small football shaped seeds.


|
|
|
Term
|
Definition
Amaranthus retroflexus
Thick stem. Prominant seed head.

|
|
|
Term
|
Definition
Portulaca oleraceae
Very moist and water-holding. Milky sap.
Very waxy leaves.

|
|
|
Term
|
Definition
Cheonopodium album
Serated leaves.

|
|
|
Term
|
Definition
Euphorbia esula
Noxious weed in SD.

|
|
|
Term
|
Definition
Cirsium arvense
Very serrated leaves. Purple blossom.
Noxious in SD

|
|
|
Term
|
Definition
Sonchus arvensis
Taller than dandelion. Noxious in SD.

|
|
|
Term
|
Definition
Cardaria draba
Noxious in SD. Scroll down.
 
|
|
|
Term
|
Definition
Centaurea repens
Cute purple heads. Noxious in SD.

|
|
|
Term
|
Definition
Lythrum salicaria
Noxious in SD. SO PRETTY!!!

|
|
|
Term
|
Definition
|
|