Grant County’s Most
Commonly Found Noxious Weeds
The following 13 weeds are Grant County's most commonly found noxious weeds:
![](https://cdn.prod.website-files.com/595e9d5be9a5752409f9a35a/596fd58ca18e1f1ba60fb01c_Dalmation%20Toadflax.jpg)
Dalmatian toadflax
Linaria dalmatica ssp. dalmatica
Yellow flowers, looks like a snapdragon
Waxy, heart-shaped leaves
Short lived perennial
![](https://cdn.prod.website-files.com/595e9d5be9a5752409f9a35a/59c421cb7347720001c25f25_Kochia.jpg)
Kochia
Bassia scoparia
Green, very branchy annual
Can reach heights of 7 ft tall
Develops into "tumbleweed"
![](https://cdn.prod.website-files.com/595e9d5be9a5752409f9a35a/59765b2c17678b0a55795ae5_Jointed-Goatgrass.jpg)
jointed goatgrass
Aegilops cylindrica
![](https://cdn.prod.website-files.com/595e9d5be9a5752409f9a35a/596fc0adf1c79648a6ed8f2b_russian%20knapweed.jpg)
knapweed, Russian
Rhaponticum repens
Pink or purple flowers
Underground rhizomes
Perennial
![](https://cdn.prod.website-files.com/595e9d5be9a5752409f9a35a/596fbfb5a18e1f1ba60fa81d_Diffuse%20Knapweed.jpg)
knapweed, diffuse
Centaurea diffusa
Highly branched stem
White or Pink flowers
Long taproot
![](https://cdn.prod.website-files.com/595e9d5be9a5752409f9a35a/597643e9d4cbd511dfc05a71_Longspine-Sandbur.jpg)
longspine sandbur
Cenchrus longispinus
![](https://cdn.prod.website-files.com/595e9d5be9a5752409f9a35a/596fc0c14aa75d6a15449bfb_Lythrum_salicaria_Rhine.jpg)
loosestrife, purple
Lythrum salicaria
Purple flowers
Grows in wet areas
Perennial
![](https://cdn.prod.website-files.com/595e9d5be9a5752409f9a35a/596fc099f1c79648a6ed8f24_Tribulus_terrestris_(Puncture_Vine_or_Gokharu)_in_Hyderabad_W_IMG_8890.jpg)
puncturevine
Tribulus terrestris
Yellow flowers
Grows flat to the ground
Sharp spikes on seeds
![](https://cdn.prod.website-files.com/595e9d5be9a5752409f9a35a/596fbffe4aa75d6a15449bc1_Chondrilla_juncea_sl5.jpg)
rush skeletonweed
Chondrilla juncea
Yellow flowers
Stick like plant, only basal leaves
Rosette looks similar to Dandelion
![](https://cdn.prod.website-files.com/595e9d5be9a5752409f9a35a/596facb659f5b2601afa3517_Saltcedar.jpg)
saltcedar
Tamarix ramosissima
thistle, Canada
Cirsium arvense
Purple flowers
Spines on stems and leaves
Smaller flower heads than Bull Thistle
![](https://cdn.prod.website-files.com/595e9d5be9a5752409f9a35a/5976445caf072460ea6d9338_White%20Cockle.jpg)
white cockle
Silene latifolia
![](https://cdn.prod.website-files.com/595e9d5be9a5752409f9a35a/596fadbe579d9d1b96ed9c9d_Yellow%20Nutsedge%20.jpg)