TY  - BOOK
AU  - Jermy,A.C.(Anthony Clive)
AU  - Crabbe,J.A.(James A.)
AU  - Thomas,Barry A.
AU  - 
TI  - The phylogeny and classification of the gerns
PY  - 1973///
CY  - London
PB  - The Linnean Society of London by Academic Press
KW  - Ferns
KW  - Classification
KW  - Congresses
KW  - Phylogeny
N1  - 'Supplement no. 1 to the Botanical journal of the Linnean Society, volume 67, 1973.'; Based on a Symposium held jointly by the British Pteridological Society and the Linnean Society of London in April 1972; Includes bibliographies
ER  -