Clammy Groundcherry Physalois heterophylla Common Cocklebur Xanthium strumarium Common Purslane Portulaca oleracea Common Sunflower Helianthus annuus Devilsclaw Proboscidea louisianica Field Bindweed Convolvuluc arvensis Ground Spurge Euphorbiaceae prostrata Hophornbeam Copperleaf Acalypha ostryifolia Horsenettle Solanum carolinense Horseweed Conyza canadensis Morningglory Ipomoea hederacea Kochia Kochia scoparia Lizardtail Gaura Gaura parviflora Prickley Lettus Lactuca serriola Prostrate Pigweed Amaranthus blitoides Puncturevine Tribulus terrestris Russian Thistle Salsola iberica Silverleaf Nightshade Solanum elaeagnifolium Spiny Sowthistle Sonchus asper Texas Blueweed Helianthus ciliaris Texas Purple Thistle Cirsium texanum Turnip Weed Rapistrum rugosum Western Ragweed Ambrosia psilostachya