154,256 species and infraspecific names are in the database, 21,059 images, 59,701 bibliographic items, 415,636 distributional records.

Planothidium dubium (Grunow) Round & Bukhtiyarova

Publication details
Planothidium dubium (Grunow) Round & Bukhtiyarova 1996: 352

Published in: Round, F.E. & Bukhtiyarova, L. (1996). Four new genera based on Achnanthes (Achnanthidium) together with a re-definition of Achnanthidium. Diatom Research 11(2): 345-361.
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Type species
The type species (holotype) of the genus Planothidium is Planothidium lanceolatum (Brébisson ex Kützing) Lange-Bertalot.

Status of name
This name is of an entity that is currently accepted taxonomically.

Basionym
Achnanthes lanceolata var. dubia Grunow

Origin of species name
Adjective (Latin), doubtful.

Homotypic Synonym(s)
Achnanthidium lanceolatum var. dubium (Grunow) Meister
Achnanthes lanceolata var. dubia Grunow 1880
Achnanthes lanceolata subsp. dubia (Grunow) Lange-Bertalot 1993

Heterotypic Synonym(s)
Microneis lanceolata var. dubia (Grunow) Frenguelli 1923
Achnanthes lanceolata f. dubia (Grunow) Ko-Bayashi 1965
Achnantheiopsis dubia (Grunow) Lange-Bertalot 1997

General environment
This is a freshwater species.

Detailed distribution with sources (Click to Load)

Key references
Cantonati, M., Kelly, M.G. & Lange-Bertalot, H. (2017). Freshwater benthic diatoms of Central Europe: over 800 common species used in ecological assessments. English edition with updated taxonomy and added species. pp. [1]-942, 135 pls. Schmitten-Oberreifenberg: Koeltz Botanical Books.

Kulikovskiy, M., Glushchenko, A.M., Kuznetsova, I.V. & Genkal, S.I. (2016). [Identification book of diatoms from Russia]. pp. [1]-804, 165 pls. Yaroslavl: Filigran. [in Russian]

Created: 11 April 2002 by M.D. Guiry

Verified by: 04 July 2018 by M.D. Guiry

Accesses: This record has been accessed by users 1030 times since it was created.

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Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 2019. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 23 January 2019.

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