(1626- 1628) Proposals to conserve names of extant fig trees against senior homonyms of fossils: Ficus crassipes F. M. Bailey against F. crassipes (Heer) Heer, Ficus tiliifolia Baker against F. tiliifolia (A. Braun) Heer and Ficus tremula Warb. against F. tremula Heer (Moraceae)