ON THE INTRASPECIFIC VARIABILITY OF DRYOPTERIS ASSIMILIS S. WALKER AND DRYOPTERIS SPINULOSA WATT : A CHROMATOGRAPHIC AND CYTOLOGICAL STUDY
CARL-JOHAN WIDÉN, VEIKKO SORSAVolume:
62
Year:
1969
Language:
english
Pages:
13
DOI:
10.1111/j.1601-5223.1969.tb02220.x
File:
PDF, 739 KB
english, 1969