Hipp, Andrew L. 2004. Spring Woodland Wildflowers of the University of Wisconsin-Madison Arboretum. University of Wisconsin-Madison, Madison , WI , 70 pp.

This guide book is an introduction to the identification and natural history of 49 broad-leaved wildflowers and weeds that typically bloom in the Arboretum (Dane Co.) in April and May. Each species is illustrated by colored drawings or photographs.

Thomson, John W. 2003. Lichens of Wisconsin. Wisconsin State Herbarium, Madison , WI . 386 pp.,

This is the first published compendium of lichen species for Wisconsin . It provides keys, brief descriptions, and distribution maps for 615 lichens species in the state, with an additional 47 species listed as recently discovered state records. Available for purchase from the Wisconsin State Herbarium.

Wetter, Mark A., Theodore S. Cochrane, Merel R. Black, Hugh H. Ilits, & Paul E. Berry. 2001. Checklist of the vascular plants of Wisconsin. Wisconsin Dept. of Natural Resources Technical Bull. No. 192: 1-258.

The Checklist provides an authoritative listing of all known native and introduced vascular plants that occur (self-reproducing) in Wisconsin outside of cultivation. It is based exclusively on herbarium specimens in established collections, which allows individual species records to be verified at any time. The checklist is divided into five sections: Ferns and Fern Allies (Pteridophytes), Gymnosperms, Dicotyledons (Magnoliopsida), Monocotyledons (Liliopsida) and Excluded Taxa.

Cochrane, T.S & H.H. Iltis. 2000. Atlas of the Wisconsin prairie and savanna flora. Technical Bulletin No. 191: 1-226. Wisconsin Dept. Natural Resources. Madison , WI 226 pp.

The atlas, based on actual specimens collected by botanists and housed in a score of Wisconsin herbaria, provides a trove of knowledge on Wisconsin 's all-but-vanished prairie heritage. It includes distribution maps, descriptions of the plants' ecology and habitats and their geographical affinities. Available online from the Wisconsin State Herbarium.

Last updated June 29, 2004