权威例句
A Fertile Mutant of a Woodsia HybridSEM Studies on Vessels in Ferns. 1. Woodsia obtusaSEM Studies on Vessels in Ferns. 5. Woodsia scopulinaLipophilic flavonoids from the fern Woodsia scopulinaChromosome numbers of Woodsia kitadakensis and W. subcordata (Woodsiaceae)A reintroduction programme for Woodsia ilvensis (L.) R. Br. in BritainSEM studies on vessels in ferns. 6. Woodsia ilvensis, with comments on vessel origin in ferns.ChemInform Abstract: Lipophilic Flavonoids from the Fern Woodsia scopulinaMangiferin and Isomangiferin in Acystopteris, Cystopteris, Gymnocarpium and WoodsiaPrinciples, practice and problems of conserving the rare British fern Woodsia ilvensis (L.) R. Br