Add to ORKGCirsium arvense , Infructescence - weed in soybean field . Family Asteraceae, Subclass Asteridae. Origin: Introduced
Cirsium horridulum, Inflorescence. Family Asteraceae, Subclass Asteridae. Origin: Native
Cirsium coloradense, heads - top view. Family Asteraceae, Subclass Asteridae. Origin: Native
Cirsium engelmannii, head. Family Asteraceae, Subclass Asteridae. Origin: Native
Cirsium arvense , Infructescence - weed in soybean field . Family Asteraceae, Subclass Asteridae. Or...
Cirsium arvense , Inflorescence - weed in soybean field . Family Asteraceae, Subclass Asteridae. Ori...
Cirsium arvense , mature capitula with fruit - weed in soybean field . Family Asteraceae, Subclass A...
Trifolium pratense, Inflorescence, corollas withered - weed in soybean field . Family Fabaceae, Subc...
Trifolium pratense, Inflorescence at full anthesis - weed in soybean field . Family Fabaceae, Subcla...
Cirsium horridulum, Developing inflorescence from the side. Family Asteraceae, Subclass Asteridae. O...
Cirsium horridulum, Developing inflorescence from the side. Family Asteraceae, Subclass Asteridae. O...
Trifolium hybridum, Inflorescence; lawn weed. Family Fabaceae, Subclass Rosidae. Origin: Introduced
Cirsium coloradense, whole plant - reduced form. Family Asteraceae, Subclass Asteridae. Origin: Nati...
Setaria viridis, androecium - weed in soybean field. Family Poaceae, Subclass Commelinidae. Origin: ...
Cirsium sp., whole plant . Family Asteraceae, Subclass Asteridae. Origin: Native
Cirsium coloradense, heads - side view. Family Asteraceae, Subclass Asteridae. Origin: Native
Cirsium horridulum, Inflorescence. Family Asteraceae, Subclass Asteridae. Origin: Native
Cirsium coloradense, heads - top view. Family Asteraceae, Subclass Asteridae. Origin: Native
Cirsium engelmannii, head. Family Asteraceae, Subclass Asteridae. Origin: Native
Cirsium arvense , Infructescence - weed in soybean field . Family Asteraceae, Subclass Asteridae. Or...
Cirsium arvense , Inflorescence - weed in soybean field . Family Asteraceae, Subclass Asteridae. Ori...
Cirsium arvense , mature capitula with fruit - weed in soybean field . Family Asteraceae, Subclass A...
Trifolium pratense, Inflorescence, corollas withered - weed in soybean field . Family Fabaceae, Subc...
Trifolium pratense, Inflorescence at full anthesis - weed in soybean field . Family Fabaceae, Subcla...
Cirsium horridulum, Developing inflorescence from the side. Family Asteraceae, Subclass Asteridae. O...
Cirsium horridulum, Developing inflorescence from the side. Family Asteraceae, Subclass Asteridae. O...
Trifolium hybridum, Inflorescence; lawn weed. Family Fabaceae, Subclass Rosidae. Origin: Introduced
Cirsium coloradense, whole plant - reduced form. Family Asteraceae, Subclass Asteridae. Origin: Nati...
Setaria viridis, androecium - weed in soybean field. Family Poaceae, Subclass Commelinidae. Origin: ...
Cirsium sp., whole plant . Family Asteraceae, Subclass Asteridae. Origin: Native
Cirsium coloradense, heads - side view. Family Asteraceae, Subclass Asteridae. Origin: Native
Cirsium horridulum, Inflorescence. Family Asteraceae, Subclass Asteridae. Origin: Native
Cirsium coloradense, heads - top view. Family Asteraceae, Subclass Asteridae. Origin: Native
Cirsium engelmannii, head. Family Asteraceae, Subclass Asteridae. Origin: Native