Verbatim text: Graber, R. E. and L. G. Brewer. 1985. Changes in the population of the rare and endangered plant Potentilla robbinsiana Oakes during the period 1973 to 1983. Rhodora 87: 449–457.
Author: Graber, R.E., Brewer, L.G.
Year: 1985
Title: Changes in the population of the rare and endangered plant Potentilla robbinsiana Oakes during the period 1973 to 1983
Journal: Rhodora
Volume: 87
Pages: 449–457