共 35 条
[31]
INTERSPECIFIC RELATIONSHIPS AND QUESTION OF INTROGRESSION BETWEEN PICEA-ENGELMANNII AND PICEA-PUNGENS
[J].
CANADIAN JOURNAL OF BOTANY-REVUE CANADIENNE DE BOTANIQUE,
1975, 53 (21)
:2547-2555
[32]
URBAN EMIL K., 1959, UNIV KANSAS PUBL MUS NAT HIST, V11, P443
[33]
VONRUDLOFF E, 1967, CAN J BOTANY, V45, P1703
[34]
WINTON LL, 1964, 144 U MINN SCH FOR M
[35]
WRIGHT JONATHAN W., 1955, FOREST SCI, V1, P319