Williams, Tara Y. 1990. Botrychium matricariaefolium.Archived January 18, 2013, at the Wayback Machine In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer).
Williams, Tara Y. 1990. Botrychium matricariaefolium.Archived January 18, 2013, at the Wayback Machine In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer).