New diatom species from the Gomphonema subtile group in Southeast Asia

ANTON GLUSHCHENKO; MAXIM KULIKOVSKIY; JOHN PATRICK KOCIOLEK

doi:10.11646/phytotaxa.329.3.3

Issue: Vol. 329 No. 3: 1 December 2017

Type: Article

Published: 2017-12-01

DOI: 10.11646/phytotaxa.329.3.3

Page range: 223–232

Abstract views: 34

PDF downloaded: 1

**New diatom species from the Gomphonema subtile group in Southeast Asia**

ANTON GLUSHCHENKO⁺⁻
MAXIM KULIKOVSKIY⁺⁻
JOHN PATRICK KOCIOLEK⁺⁻

Kaluga State University, 248023, Kaluga District, Stepan Rasin street 26, Russia Institute of Plant Physiology, Russian Academy of Sciences, Botanical Street 35, 127276, Moscow, Russia

Department of Water Plants Taxonomy and Geography, I.D. Papanin Institute for Biology of Inland Waters, Russian Academy of Sciences, 152742 Yaroslavl, Nekouz, Borok, Russia Institute of Plant Physiology, Russian Academy of Sciences, Botanical Street 35, 127276, Moscow, Russia

Museum of Natural History and Department of Ecology and Evolutionary Biology, University of Colorado, Boulder, Colorado, 80309, USA.

Bacillariophyceae Gomphonema pantropicum new species morphology distribution Southeast Asia Vietnam Laos Algae

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Abstract

Two new diatom species from the Gomphonema subtile species complex were found in Đả Tiên reservoir, near the Town of Ðà Lạt, Lâm Đồng Province, Vietnam, as well as in the River Nam Leuk, Phou Khao Khouay, Laos. These new species include Gomphonema dalatica Glushchenko, Kulikovskiy & Kociolek sp. nov. and Gomphonema prowsei Glushchenko, Kulikovskiy & Kociolek sp. nov. Additionally, G. pantropicum Reichardt, a species known from the tropical zone, was found in our material. We provide light and scanning electron microscopical observations for all taxa, and offer formal descriptions for the two new species. Distribution of these three species is discussed.