Acroptilon repens
A noxious weed in moist habitats. Similar to Centaurea.
A pseudanthium at Mesilla Bosque, 9 Jun 2007.
An inflorescence at Mesilla Bosque, 9 Jun 2007.
A pseudanthium after anthesis at Mesilla Bosque, 9 Jun 2007.
A cauline leaf at Mesilla Bosque State Park, 9 Jun 2007.