Mancoa mexicana Gilg & Muschl. Mancoa mexicana Gilg & Muschl. in Bot. Jahrb. Syst. 42: 463. 1909 sec. Rollins 1993=Capsella mexicana Hemsl., Diagn. Pl. Nov. Mexic. 2: 19. 1879 syn. sec. Bailey & al. 2007