Illinois 1995 endangered & threatened plant species /
John Schwegman.
APA Citation
Schwegman, J., Illinois. Dept. of Conservation. Botany Program., Illinois. Dept. of Natural Resources. Natural Heritage Division. (1995). Illinois 1995 endangered & threatened plant species. [Springfield, Ill.?]: Illinois Dept. of Natural Resources, Natural Heritage Division.
MLA Citation
Schwegman, John, Illinois. Dept. of Conservation. Botany Program, and Illinois. Dept. of Natural Resources. Natural Heritage Division. Illinois 1995 Endangered & Threatened Plant Species. [Springfield, Ill.?]: Illinois Dept. of Natural Resources, Natural Heritage Division, 1995.
Warning: These citations may not always be complete (especially for serials).