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THE FREQUENCY OF HETEROCYSTS IN THE NOSTOC PHYCOBIONT OF THE LICHEN PELTIGERA CANINA WILLD.
Author(s) -
GRIFFITHS H. BRONWEN,
GREENWOOD A. D.,
MILLBANK J. W.
Publication year - 1972
Publication title -
new phytologist
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.742
H-Index - 244
eISSN - 1469-8137
pISSN - 0028-646X
DOI - 10.1111/j.1469-8137.1972.tb04805.x
Subject(s) - lichen , thallus , heterocyst , botany , biology , nostoc , population , cyanobacteria , bacteria , anabaena , demography , genetics , sociology
S ummary A reliable estimate of 3.27% for the frequency of heterocysts in the cell population of the Nostoc phycobiont present in the thallus of the lichen Peltigera canina has been obtained by electron microscopy at low magnification.