Floristic assessment of sand prairies and sedge meadows, Lee County,
Illinois
Handel et al.
35(1), March 2003
Did tallgrass prairie extend into Pennsylvania?
Laughlin
36(1), March 2004
The flora of the Cottonwood Lake Study Area, Stutsman County, North
Dakota
Mushet et al.
36(1), March 2004
First record of northern wild comfrey from Wyoming
Tatina et al.
36(2), June 2004
Grazing intensity effects on northern plains mixed-grass prairie
Rogers et al.
37(2), June 2005
First record of hairy woodrush from South Dakota
Zacharkevics
38(2), June 2006