Index of collectors in Knowles' The Lichens of Ireland (1929) and Porter's Supplement (1948), with a conspectus of lichen recording in the Irish vice-counties to 1950.
Contributors: Mitchell, M. E.; Knowles, Matilda C. 1865-; National Botanic Gardens (Ireland)
Series: Occasional papers / National Botanic Gardens -- 11
Publisher: National Botanic Gardens
Published: 1998
Place of publication: Dublin
Language: eng
Number of pages: 53
Subjects: Lichenologists -- Ireland.; Lichens -- Ireland.
Notes: [Compiled by?] M. E. Mitchell.