Cabrera R., L. (Department of Biological Sciences, Western Illinois Univers
ity, Macomb, IL 61455-1390, U.S.A.). Six new species of Acourtia (Astcracea
e) and a historical account of Acourtia mexicana. Brittonia 53: 416-429. 20
01.-Six Mexican species of Acourtia are described. One of these novelties s
eems to be related to Acourtia mexicana (Lag. ex D. Don) H. Rob., whose nom
enclature has been misunderstood for decades; an exhaustive literature revi
ew and examination of herbarium material supports Robinson's combination.