Duncan, Thomas . A texonomic study of the ranunculus hispidus michaux complex in the western hemisphere / by Thomas Duncan. - Berkeley : University of California Press , 1980. - 125P. : ills.pictures ; 24cm . NULL ISBN: 0520096177 USD 4.50 Subjects--Index Terms: RANUNCULUS HISPIDUS Dewey Class. No.: 583.111 / DUN/T