作者单位:
Univ Maine, Sch Biol & Ecol, 100 Murray Hall, Orono, ME 04469 USA
[1]
Gawler Conservat Serv, Box 867B,256 Guptill Rd, Belgrade, ME 04917 USA
[2]
Dept Agr Conservat & Forestry, Maine Nat Areas Program, 93 State House Stn, Augusta, ME 04333 USA
[3]
Drew Univ, Dept Biol, Hall Sci Room S104, Madison, NJ 07940 USA
[4]
Chicago Bot Garden, 1000 Lake Cook Rd, Glencoe, IL 60022 USA
[5]
发布时间
2019-12-09