共 61 条
[52]
STARK DA, UNPUB NOTES RED SPRU
[53]
STEVENSON SL, 1984, B TORREY BOT CLUB, V111, P69
[54]
TEGETHOFF AC, 1964, 522 US FOR SERV NO F
[55]
WEISS MJ, 1985, COOPERATIVE SURVEY R
[56]
WHEELER GS, 1965, 2400 MEM
[57]
1917, TECHNICAL B USDA, V544
[58]
1896, 7TH NEW YORK STAT FO
[59]
1935, 25 29TH STAT NEW YOR
[60]
1891, 2ND NEW YORK STAT FO