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2. Range extension of Halophila stipulacea in the Mediterranean;Den Hartog;Blumea,1972
3. Marine botany of the Kenya coast. IV. Angiosperms;Isaac;J. East. Afr. Nat. Hist. Soc. Nat. Mus.,1968
4. Marine botany of the Kenya coast. 3. General account of the environment, flora and vegetation;Isaac;J. East Afr. Nat. Hist. Soc. Nat. Mus.,1968
5. Floral structure in the marine angiosperms Cymodocea serrulata and Thalassodendron ciliatum (Cymodocea ciliata);Kay;Bot. J. Linn. Soc.,1971