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Diatom Vegetation of Izu Katase, Yatsu and Yugashima Spas

1957; Botanical Society of Japan; Volume: 70; Issue: 825 Linguagem: Inglês

10.15281/jplantres1887.70.69

2185-3835

艶子 小林,

Diatoms and Algae Research

At eight among fifty stations of Atakawa, Katase, Yatsu, Mine, Yugano, Konabe and Yugashima spas in the Izu Peninsula of Shizuoka Pref., the writer found abundant diatoms. They amount to seventy-three taxons, and those data are as follows:New additional species to Japan: Amphora strigosa, Ceratoneis arcus var. vaucheriae f. kamtchatica, Cocconeis placentula var. Rouxii, Navicula cryptocephaloides, Navicula decussis, Navicula graciloides, Navicula incognita, Navicula menisculus var. sinica, Neidium iridis f. vernalis and Surirella elegans f. constricta. New additional species to Japanese thermal flora: Achnanthes brevipes, Achnanthes crenulata, Ceratoneis arcus var. vaucheriae, Cymbella sumatorensis, Gomphonema constrictum var. capitata, Gomphonema longipes var. subclavata, Gomphonema parvulum var. micropus, Gomphonema tetrastigmata, Navicula oppugnata, Neidium dubium, Pinnularia borealis, Pinnularia Karelia, Stephanodiscus astraea, Surirella biseriata, var. bifrons, Surirella robusta and Surirella robusta var. splendida f. punctata.