Guthrie County flora, Iowa vascular plant flora, endangered Iowa plants
The known vascular plant flora of Guthrie County, Iowa, based on field, herbarium, and literature studies, consists of 748 taxa (species, varieties, and hybrids), 135 of which are naturalized. Species which appear on the state's list of endangered and threatened species, or are otherwise rare, are discussed.
There is an affinity of the plants of Guthrie County with those of the Ozark plateau, and with specialized habitats providing extensions of ranges for species normally found farther north or east.
Journal of the Iowa Academy of Science
© Copyright 1991 by the Iowa Academy of Science, Inc.
Roosa, Dean M.; Eilers, Lawrence J.; and Zager, Scott
"An Annotated Checklist of the Vascular Plant Flora of Guthrie County, Iowa,"
Journal of the Iowa Academy of Science: JIAS, 98(1), 14-30.
Available at: https://scholarworks.uni.edu/jias/vol98/iss1/4