British Bryological Society Expedition to Mulanje Mountain, Malawi. 13. New and other unpublished records
El género Cryphaea Mohr (Musci) en los Andes tropicales
Allelopathic effect of the Cladonia verticillaris lichen extracts and fumarprotocetraric acid on the early growth of germinated seedlings in Allium cepa L.
Muscis Hawaiiensis Mantissae II. Neckeropsis obtusata (Mont.) Fleisch. restored to the flora of the archipelago
Muscis Hawaiiensis Mantissae I: Two weedy species of Bryum new to the archipelago
Two new liverworts for Europe in Macaronesia: Odontoschisma prostratum (Sw.) Trevis. on the Azores and Jungermannia callithrix Lindenb. & Gottsche on the Azores and Madeira