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Bulletin of Botanical Research ›› 1997, Vol. 17 ›› Issue (4): 371-376.

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PRELIMINARY TAXONOMIC STUDIES ON EIGHT TAXA OF GOMPHONEMACEAE FROM NORTHEASTERN CHINA

Fan Ya-wen, Bao Wen-mei, Wang Quan-xi   

  1. Department of Biology, Harbin Normal University, Harbin 150080
  • Received:1997-04-01 Online:1997-12-15 Published:2016-06-14

Abstract: In present paper, 3 genera and 8 taxa of Gomphonemaceae from Northeastern China are studied by light and scanning electron microscope.They are:Gomphonema:G.subtile var.sagitta (Schum.) Cl., G.constrictum var.capitatum f.itallica Mayer., G.tenellumKü tz., G.semiapertum Grun., G.vastum var.elongata Skv.;Gomphoneis:G.olivaceoides (Hust) Carter&Bailey-Watts.G.quadripunctatum (φstr.) Dawson ex Ross&Sims.;Didymosphenia:D.geminata (Lyngb.) M.Schmidt.The problem of taxonomy and ecological distribution are discussed preliminarily, and some new taxa are first reported from China.

Key words: Gomphonemaceae, Gomphonema, Gomphoneis, Didymosphenia,taxonomic problem