British Ferns and Mosses (1960) ; Edgar Milne-Redhead ; P. G. T.: Utricularia, Flora of Trinidad and Tobago (1955), Flora East Africa (1973) ; Ecuador (1975) ; Panama (1976) & Zambesiaca (1988) ;
Royal Botanic Gardens, Kew Bulletin ;
botanical and bryological pen-and-ink drawing ;
AKL ; Daniels 1974: 60 ;
Senior experimental officer at Royal Botanic Gardens Herbarium Kew 1948-after 74.
263512429
41927341
Powered by: DaDaBIK, the Low-code Development Platform