Lycopus americanus subsp. Laurentianus (Lamiaceae): An Eastern Canadian Endemic Taxon New to the United States
Declining Native Species Richness in Natural Areas in Eastern North America: An Example from Baker Woodlot in Central Michigan
The Taxonomic Position of Silene Multinervia (Caryophyllaceae), Endemic to California and Northwestern Mexico, and Description of Section Californicae, sect. nov.
Rediscoveries of Dichanthelium scoparium (Poaceae) in Southern New England and Evaluation of Past Records from New England and New York