Useful Internet links

U of M Herbarium : https://michiganflora.net/home.aspx

MSU Natural Features Inventory : https://mnfi.anr.msu.edu/services

The Michigan Botanist 1962-2006 : https://catalog.hathitrust.org/Record/000497763

Winter Wildflowers, Helen Smith, Michigan Botanical Club 1973 : http://www-personal.umich.edu/~ldnum/WinterWildflowers%281973%29dblpgs.pdf

Pierce Cedar Creek Institute, Hastings : https://cedarcreekinstitute.org/research.html

Southwest Michigan Land Conservancy : https://swmlc.org/