TY  - BOOK
AU  - Purvis,O.W.
TI  - The Lichen flora of Great Britain and Ireland
SN  - 0565011634
PY  - 1992///
CY  - London
PB  - Natural History Museum Publications in association with the British Lichen Society
KW  - Lichens
KW  - Great Britain
N1  - Includes bibliographical references (pages 673-685) and index
ER  -