共 8 条
[1]
ALTER JC, 1913, YB USDA, P309
[4]
SHREVE F, 1915, CARNEGIE I WASH PUB, V217
[5]
Turesson G., 1914, B TORREY BOT CLUB, V41, P337, DOI 10.2307/2479615
[6]
WARMING E, 1895, GRUNDTRAK OKOLOGISKE
[7]
WEAVER JE, 1914, PLANT WORLD, V17, P273
[8]
Weaver JE., 1917, U NEBRASKA STUDIES, V17, P1, DOI DOI 10.5962/BHL.TITLE.23662