Species: 

Xanthium spinosum

Common Name: 

Spiny cocklebur

Systems Affected (standardized): 

cropland/pastureland, rangeland

Regions(s) present (updated by AB): 

PH

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Impacts: 

serious weed in many agricultural crops and in animal production. Seeds are easily spread, due to their ability to float and to "hitchhike" on humans and animals. The plants can quickly become dominant in an area due to prolific seed production and high germination and survival rates. It invades pastures and grazing lands, reducing forage production. Xanthium species are toxic to most domestic animals, particularly swine and horses.

Source? likely to be reintroduced: 

X. spinosum has all the attributes that make accidental introduction very likely, and it has already been introduced to so many countries it is likely to spread further. The fruits float and are readily dispersed by water and can spread rapidly along watercourses. The hooked spines on the fruit adhere easily and cling firmly to wool and animal fur, as well as also to clothing, bags and any fibrous material, hay bales, and also in mud on shoes, tools or vehicles. Fruits are also spread in contaminated pasture seed and grain

Info Blurb: 

Seeds are easily spread, due to their ability to float and to "hitchhike" on humans and animals. The plants can quickly become dominant in an area due to prolific seed production and high germination and survival rates. It invades pastures and grazing lands, reducing forage production.

Native Regions in OK: 

NONE

Current and past designations: 

NM, WFHC

Present in OK?

Yes

Present in Bordering States?

TX, NM, CO, KS, MO

Has Legal Status in BS?

AR NW