Zobrazeno 1 - 10 of 23 pro vyhledávání: '"Václav Houk"'
1
A new order and family of diatoms: Arcanodiscales, Arcanodiscaceae (Bacillariophyta) to accommodate Arcanodiscus platti gen. nov. et sp. nov. from the Argentinian Patagonia
Autor: Nora I. Maidana, Eduardo A. Morales, J. P. Bradbury, Frank Schäbitz, Václav Houk
Publikováno v: Nova Hedwigia, Beihefte. 146:63-72
A new diatom, Arcanodiscus platti gen. nov. et sp. nov., is described from the Argentinian Patagonia with a novel combination of features. Frustules are robust, strongly silicifi ed, with large and thick central hyaline area and thick valve mantle, u
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4933c4b30d3e6c7b9000807fab31ff5b
https://doi.org/10.1127/1438-9134/2017/063
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3
Morphology and taxonomy of an almost forgotten fossil diatom,Gaillonella sculptaEhrenberg (Bacillariophyceae)
Autor: Marina Usoltseva, Václav Houk
Publikováno v: Diatom Research. 31:39-49
Type material of Melosira sculpta (Ehrenberg) Kutzing from the Ehrenberg Collection was studied using light (LM) and scanning electron (SEM) microscopy. Comparison with Pseudoaulacosira moisseeviae (Lupikina in Brattseva et al.) Lupikina & Khursevich
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::56b72a5e022790193ef73e742460527f
https://doi.org/10.1080/0269249x.2016.1143034
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4
Cyclotella hinziae sp. nov. - a small Cyclotella (Bacillariophyceae) from subalpine lake Schliersee (Bavaria, Germany)
Autor: Claudia König, Rolf Klee, Václav Houk
Publikováno v: Fottea. 15:235-243
A small Cyclotella species (Thalassiosiraceae) from a subalpine lake Schliersee (Bavaria, Germany) is described. The species has characteristic valve morphology different from this of the other similar taxa. It differs from them especially with the p
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::81abc7a614ad0502fe64d072300c22f6
https://doi.org/10.5507/fot.2015.021
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5
Aulacoseira kruegeriana (Diatomeae, Coscinodiscophyceae): a new centric diatom from high-elevation Andean rivers and streams of Bolivia
Autor: Morgan L. Vis, Václav Houk, Sinziana F. Rivera, Sergio Rubin, Eduardo A. Morales
Publikováno v: Diatom Research. 30:269-277
A new centric diatom, Aulacoseira kruegeriana sp. nov., collected from small streams in the Yungas (cloud forest) region of Bolivia, is described based on light and electron microscopy. The new species is morphologically similar to Aulacoseira princi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c30479a04a5a8c500862b43eb6cbad2c
https://doi.org/10.1080/0269249x.2015.1076523
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6
Ferocia gen. nov., a new centric diatom genus (Bacillariophyceae) from the sub-Antarctic region
Autor: Barbora Chattová, Bart Van de Vijver, Marc Lebouvier, Václav Houk
Publikováno v: Phytotaxa
Phytotaxa, 2017, 332 (1), pp.22-30. ⟨10.11646/phytotaxa.332.1.2⟩
Phytotaxa, Magnolia Press 2017, 332 (1), pp.22-30. ⟨10.11646/phytotaxa.332.1.2⟩
A new centric diatom genus, Ferocia Van de Vijver & Houk gen. nov. is described based on Melosira setosa Greville. Several samples collected in lava tunnels on Ile Amsterdam, a small isolated, volcanic island in the southern Indian Ocean where the la
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e568fe04b56196e39278287facb0cf38
https://univ-rennes.hal.science/hal-01684481
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7
Two new centric diatoms (Bacillariophyta) from the sub-Antarctic region
Autor: Bart Van de Vijver, Václav Houk
Publikováno v: Phytotaxa
During a survey of the limno-terrestrial diatom flora of the sub-Antarctic region, two unknown melosiroid diatom taxa were observed in several shaded, damp cave (moss and soil) samples from Heard Island and Ile de la Possession, the main island of th
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::229faa31f5c170eaa4b24b6a05fb9807
https://doi.org/10.11646/phytotaxa.394.1.2
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8
Angusticopula rowlingiana, a new melosiroid diatom (Bacillariophyta) from Ascension Island (South Atlantic Ocean)
Autor: Bart Van de Vijver, David M. John, Sandra Wilfert, Václav Houk
Publikováno v: Phytotaxa
During a diatom survey of some samples from Ascension Island, a remote island located in the southern Atlantic Ocean, an unknown melosiroid diatom species was studied using both light and scanning electron microscopy. It proved to be a new species de
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a4f012dbee68fcc8b75999d3defae019
https://doi.org/10.11646/phytotaxa.388.2.1
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9
MORPHOLOGY AND ULTRASTRUCTURE OF THE FRESHWATER FOSSIL DIATOMAULACOSEIRA CAMPYLOSIRA(EHRENBERG) COMB. NOV. FROM EHRENBERG TYPE MATERIAL
Autor: Václav Houk
Publikováno v: Diatom Research. 25:307-321
A diatom species published by Ehrenberg (1854) under the name “Gallionella campylosira” was observed and investigated in the light microscope (LM) from mica-strips found in the Ehrenberg collection at the Natural History Museum, Humboldt Universi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1e3975726572aa00970341612655e47f
https://doi.org/10.1080/0269249x.2010.9705852
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10
RE-EXAMINATION OF ASPHAEROTERMIAAND AGAILLONELLAFROM THE EHRENBERG COLLECTION, BERLIN (GERMANY)
Autor: Václav Houk
Publikováno v: Diatom Research. 25:293-306
Two taxa presented by Ehrenberg as belonging to the genera Sphaerotermia Ehrenberg and Gaillonella Bory, Sphaerotermia horologium Ehrenberg and Gaillonella californica from mica-strips of the Ehren...
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3ecf46a47bfcb2367beb0c687833fae8
https://doi.org/10.1080/0269249x.2010.9705851
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