A guide to the spring flowers of Minnesota

Ferns and Fern Allies of Minnesota

Guide to the Spring Flowers of Minnesota

A new Heuchera from Missouri together with some notes on the Heuchera Parviflora group

The Goldenrods of Minnesota

Symposium on botanical nomenclature

Trees and shrubs of the upper Midwest

Studies in Chrysosplenium, with special reference to the taxonomic status and distribution of C. Iowense

The distribution of the white oak in Minnesota