2022

No. 222. Michael J. Wynne, University of Michigan Herbarium, Ann Arbor, Michigan 48108, USA (correspondence: mwynne@umich.edu) & Craig W. Schneider, Department of Biology, Trinity College, Hartford, Connecticut 06106, USA. A correction of the type of Dictyota jamaicensis W.R.Taylor (Dictyotaceae, Phaeophyceae, Ochrophyta) (Download PDF).

No. 223. Roman Evgenevich Romanov, Komarov Botanical Institute of the Russian Academy of Sciences, Professora Popova Str., 2, 197376, St. Petersburg, Russia (correspondence: romanov_r_e@ngs.ru). Typification of Chara connivens Salzmann ex A.Braun f. brevifolia Vilhelm, C. crinita Wallroth and C. glomerulifera Ruprecht and clarification of conflicting species concepts for C. arcuatifolia Vilhelm (Charales, Charophyceae) (Download PDF).

No. 224. Geraldo José Peixoto Ramos, Departamento de Ciências Biológicas, Universidade Estadual de Santa Cruz, Rodovia Jorge Amado, km 16, 45662-900, Ilhéus, BA, Brazil (correspondence: gjpramos@uesc.br), Carlos Eduardo de Mattos Bicudo, Núcleo de Pesquisas em Biodiversidade e Conservação, Instituto de Pesquisas Ambientais, Av. Miguel Estéfano, nº 3687, 04301-902, São Paulo, SP, Brazil & Carlos Wallace do Nascimento Moura, Laboratório de Ficologia, Universidade Estadual de Feira de Santana, Av. Transnordestina, s/nº, 44036-900, Feira de Santana, BA, Brazil. Nomenclatural and taxonomic notes on Brazilian desmids IV. (Download PDF).

No. 225. Bart Van de Vijver, Meise Botanic Garden, Research Department, Nieuwelaan 38, 1860 Meise, Belgium & University of Antwerp, Department of Biology – ECOSPHERE, Universiteitsplein 1, B-2610 Wilrijk, Belgium (correspondence: bart.vandevijver@plantentuinmeise.be) & Wolf-Henning Kusber, Botanischer Garten und Botanisches Museum Berlin, Freie Universität Berlin, Königin-Luise-Str. 6-8, 14195 Berlin, Germany. Typification and transfer of Fragilaria undulata C.E.Cramer to the genus Pseudostaurosira (Staurosiraceae, Bacillariophyta) with some notes on the diatom species described by Carl E. Cramer (Download PDF).

No. 226. Bart Van de Vijver, Meise Botanic Garden, Research Department, Nieuwelaan 38, 1860 Meise, Belgium & University of Antwerp, Department of Biology – ECOSPHERE, Universiteitsplein 1, B-2610 Wilrijk, Belgium (correspondence: bart.vandevijver@plantentuinmeise.be), Luc Ector, Luxembourg Institute of Science and Technology (LIST), Environmental Research & Innovation (ERIN) Department, Observatory for Climate, Environment and Biodiversity (OCEB), 41 rue du Brill, L-4422 Belvaux, Luxembourg, Carlos E. Wetzel, Luxembourg Institute of Science and Technology (LIST), Environmental Research & Innovation (ERIN) Department, Observatory for Climate, Environment and Biodiversity (OCEB), 41 rue du Brill, L-4422 Belvaux, Luxembourg & Eduardo A. Morales, Water Laboratory, University of Évora, P.I.T.E. Rua da Barba Rala No. 1, 7005–345 Évora, Portugal & Institute of Earth Sciences - ICT, University of Évora, Rua Romão Ramalho 59, 7000–671 Évora, Portugal. Lectotypification of four former Odontidium species described by William Smith (Bacillariophyta, Fragilariales). (Download PDF).

No. 227. Valéria Cassano, University of São Paulo, Rua do Matão 277, São Paulo 05508-900, Brazil (correspondence: vcassano@usp.br), Michael J. Wynne, University of Michigan Herbarium, Ann Arbor, Michigan 48108, USA & Yocie Yoneshigue-Valentin, Federal University of Rio de Janeiro, Av. Carlos Chagas Filho 373, CCS, bloco A, sala A1-66, 21941-902, Rio de Janeiro, Brazil. Validation of three taxa of benthic marine algae from Brazil (Download PDF).

No. 228. John A. West, School of Biosciences, University of Melbourne, Parkville VIC 3010, Australia (corresponding author: jwest@unimelb.edu.au), Ji-San Ha, Department of Biological Sciences, Sungkyunkwan University, Suwon 16419, Korea
Hwan Su Yoon, Department of Biological Sciences, Sungkyunkwan University, Suwon 16419, Korea, Gayle I. Hansen, Marine Algal Biodiversity Research, 637 SW 9th Street, #F, Newport, OR 97365, USA, Christopher D. Goodman, School of Biosciences, University of Melbourne, Parkville VIC 3010, Australia, Ashley M. Dungan, School of Biosciences, University of Melbourne, Parkville VIC 3010, Australia, Allison van de Meene, School of Biosciences, University of Melbourne, Parkville VIC 3010, Australia & Susan Loiseaux-de Goër, 11 Rue des Moguerou, 29680 Roscoff, France. Non-photosynthetic, brown loricate unicell Fuscolorica viatorophila gen. et sp. nov. (Cercozoa, ?Nanofilidae) on the marine red alga, Viator vitreocola (Rhodophyta, Stylonemataceae), and bacterial associates (Download PDF).

No. 228A. Addendum. John A. West, School of Biosciences, University of Melbourne, Parkville VIC 3010, Australia (corresponding author: jwest@unimelb.edu.au) (Download PDF).

No. 229. Bart Van de Vijver, Meise Botanic Garden, Research Department, Nieuwelaan 38, 1860 Meise, Belgium & University of Antwerp, Department of Biology – ECOBE, Universiteitsplein 1, B-2610 Wilrijk, Belgium (correspondence: bart.vandevijver@plantentuinmeise.be) & Wolf-Henning Kusber, Botanischer Garten und Botanisches Museum Berlin, Freie Universität Berlin, Königin-Luise-Str. 6-8, 14195 Berlin, Germany. Fragilaria intermedia (Grunow) Grunow in Van Heurck, the correct name for Fragilaria neointermedia Tuji & D.M.Williams (Fragilariaceae, Bacillariophyta) (Download PDF).

No. 230. Christine Cocquyt, Meise Botanic Garden, Research Department, Nieuwelaan 38, 1860 Meise, Belgium (corresponding author: christine.cocquyt@botanicgardenmeise.be) & Jonathan C. Taylor, Unit for Environmental Science and Management, North-West University, Potchefstroom, South Africa; South African Institute for Aquatic Biodiversity (SAIAB), Grahamstown, South Africa. Observations on Navicula schweickerdtii Cholnoky and its transfer to the genus Luticola (Diadesmidaceae, Bacillariophyta) (Download PDF).

No. 231. David M. Williams, Department of Life Sciences, the Natural History Museum, Cromwell Road, London, SW7 5BD, UK (correspondence:d.m.williams@nhm.ac.uk) & Jakub Witkowski, Institute of Marine and Environmental Sciences, University of Szczecin, ul. Mickiewicza 18, 70-383 Szczecin, Poland. Priority of the names Gyrocylindrus Strelnikova & Nikolaev and Cylindrospira Mitlehner (Hemiaulaceae, Bacillariophyta) (Download PDF).

No. 232. Nina Desianti, Wisconsin State Laboratory of Hygiene, University of Wisconsin-Madison, Madison WI 53718, USA (correspondence: nina.desianti@slh.wisc.edu) & Gina LaLiberte, Wisconsin Department of Natural Resources, Madison, WI 53716, USA. Analysis of the type slide of Stauroneis singula J.R.Carter & Denny (Stauroneidaceae, Bacillariophyta) and a comparison with similar taxa (Download PDF).

No. 233. Roman Evgenevich Romanov, Komarov Botanical Institute of the Russian Academy of Sciences, Professora Popova Str., 2, 197376, St. Petersburg, Russia (correspondence: romanov_r_e@ngs.ru). Typification and clarification of species concepts of Chara fischeri Migula and C. gobiana Vilhelm (Charales, Charophyceae) (Download PDF).

No. 234. Bart Van de Vijver, Meise Botanic Garden, Research Department, Nieuwelaan 38, 1860 Meise, Belgium & University of Antwerp, Department of Biology – ECOBE, Universiteitsplein 1, B-2610 Wilrijk, Belgium (correspondence: bart.vandevijver@plantentuinmeise.be) & Horst Lange-Bertalot, Institute for Ecology, Evolution, Diversity, Goethe-University Frankfurt, Max-von-Lane Str. 13, 60438 Frankfurt am Main, Germany. Observations and typification of Eunotia exigua (Brébisson ex Kützing) Rabenhorst (Eunotiaceae, Bacillariophyta) (Download PDF).

No. 235. David M. Williams & Patricia A. Sims, Department of Life Sciences, the Natural History Museum, Cromwell Road,  London, SW7 5BD, UK (correspondence: dmw@nhm.ac.uk). Priority of the names Euodiella P.A.Sims and Flexibiddulphia Simonsen (Sheshukoviaceae, Bacillariophyceae) (Download PDF).

No. 236. Norio Kikuchi, Coastal Branch of Natural History Museum and Institute, Chiba, Katsuura, Chiba, 299-5242, Japan (correspondence: kikuchin@chiba-muse.or.jp), Motoya Tamaki, General Planning and Coordination Department, Japan Fisheries Research and Education Agency, Yokohama, Kanagawa, 221-8529, Japan & Shoei Iwade, Suzuka Branch, Fisheries Research Institute, Mie Prefecture, Suzuka, Mie, 510-0243, Japan. Transfer of Porphyra katadae var. hemiphylla C.K.Tseng & T.J.Chang to Neopyropia J.Brodie & L.-E.Yang (Bangiales, Rhodophyta) (Download PDF).

No. 237. Wolf-Henning Kusber, Botanischer Garten und Botanisches Museum Berlin, Freie Universitat Berlin, Königin-Luise-Str. 6-8, 14195 Berlin, Germany (correspondence: w.h.kusber@bo.berlin) & Bart Van de Vijver, Meise Botanic Garden, Research Department, Nieuwelaan 38, 1860 Meise, Belgium & University of Antwerp, Department of Biology – ECOSPHERE, Universiteitsplein 1, B-2610 Wilrijk, Belgium. Lectotypification of Achnanthidium exile (Kützing) Heiberg (Achnanthidiaceae, Bacillariophyta) (Download PDF).

No. 238. John H. Bothwell, Department of Biosciences, Durham University, South Road, Durham, United Kingdom (correspondence: j.h.bothwell@durham.ac.uk). How did the genus name Valonia (Valoniaceae, Chlorophyta) originate? (Download PDF).

No. 239. Ingrid Jüttner, Amgueddfa Cymru – National Museum Wales, Department of Natural Sciences, Cathays Park, Cardiff, CF103NP, United Kingdom (correspondence: Ingrid.Juettner@museumwales.ac.uk), Bart Van de Vijver, Meise Botanic Garden, Research Department, Nieuwelaan 38, 1860 Meise, Belgium & University of Antwerp, Department of Biology – ECOSPHERE, Universiteitsplein 1, B-2610 Wilrijk, Belgium, Luc Ector (†), Luxembourg Institute of Science and Technology (LIST), Environmental Research & Innovation (ERIN) Department, Observatory for Climate, Environment and Biodiversity (OCEB), 41 rue du Brill, L-4422 Belvaux, Luxembourg, Carlos E. Wetzel, Luxembourg Institute of Science and Technology (LIST), Environmental Research & Innovation (ERIN) Department, Observatory for Climate, Environment and Biodiversity (OCEB), 41 rue du Brill, L-4422 Belvaux, Luxembourg & David M. Williams, the Natural History Museum, London, Department of Life Science, Cromwell Road, London, SW75BD, United Kingdom. Morphological investigation of Eunotia bidentula W. Smith (Eunotiaceae, Bacillariophyceae) including its type material. (Download PDF).

No. 240. Bart Van de Vijver, Meise Botanic Garden, Research Department, Nieuwelaan 38, 1860 Meise, Belgium & University of Antwerp, Department of Biology – ECOSPHERE, Universiteitsplein 1, B-2610 Wilrijk, Belgium (correspondence: bart.vandevijver@plantentuinmeise.be) & Michael D. Guiry, AlgaeBase, Ryan Institute, NUI Galway, Galway, H91 TK33, Ireland. Typification and observations on Triceratium exiguum W.Smith and its elevation to species level in the genus Staurosira (Staurosiraceae, Bacillariophyta) (Download PDF).

No. 241. Tatyana Darienko, Experimental Phycology and Culture Collection of Algae, University of Göttingen, Nikolausberger Weg 18, D-37073 Göttingen, Germany & Thomas Pröschold, Research Department for Limnology at Mondsee, University of Innsbruck, Mondseestr. 9, A-5310 Mondsee, Austria (correspondence:Thomas.Proeschold@uibk.ac.at). The new photobiont Ctenocladus verrucariae sp. nov. (Ulvales, Ulvophyceae) found in various lichens of the family Verrucariaceae (Eurotiomycetes). (Download PDF).

No. 242. Bart Van de Vijver, Meise Botanic Garden, Research Department, Nieuwelaan 38, 1860 Meise, Belgium & University of Antwerp, Department of Biology – ECOSPHERE, Universiteitsplein 1, B-2610 Wilrijk, Belgium (correspondence: bart.vandevijver@plantentuinmeise.be).Ingrid Jüttner, Amgueddfa Cymru – National Museum Wales, Department of Natural Sciences, Cathays Park, Cardiff, CF103NP, United Kingdom & Paul B. Hamilton, Canadian Museum of Nature, Research Division, PO Box 3443, Station D, Ottawa, ON, Canada K1P 6P4. Typification and observations of Cavinula scutelloides (W.Smith ex W.Gregory) Lange-Bertalot (Cavinulaceae, Bacillariophyta) (Download PDF).

No. 243. Tatyana Darienko, Experimental Phycology and Culture Collection of Algae, University of Göttingen, Nikolausberger Weg 18, D-37073 Göttingen, Germany & Thomas Pröschold, Research Department for Limnology at Mondsee, University of Innsbruck, Mondseestr. 9, A-5310 Mondsee, Austria (correspondence: Thomas.Proeschold@uibk.ac.at). Taxonomic changes in the genus Ctenocladus (Ulvales, Ulvophyceae). (Download PDF).

No. 244. Richard W. Howe, Ellington Geological Services, Houston, TX, USA. (correspondence: richard.howe@yahoo.com). Candeodiscoaster, a new nannofossil genus (Coccolithophyceae, Discoasteraceae). (Download PDF).

No. 245. Veronica Malavasi, Department of Botany, Faculty of Science, Charles University, Benátská 2, CZ-12800 Praha 2, Czech Republic (correspondence: veronica.malavasi80@gmail.com), Pavel Škaloud, Department of Botany, Faculty of Science, Charles University, Benátská 2, CZ-12800 Praha 2, Czech Republic.

A taxonomic note on the genus Rindifilum Malavasi, Klimešová, Lukešová & Škaloud (Ulvales, Ulvophyceae). (Download PDF).

No. 246. Ingrid Jüttner, Amgueddfa Cymru – National Museum Wales, Department of Natural Sciences, Cathays Park, Cardiff, CF103NP, United Kingdom (correspondence: Ingrid.Juettner@museumwales.ac.uk) & Bart Van de Vijver, Meise Botanic Garden, Research Department, Nieuwelaan 38, 1860 Meise, Belgium & University of Antwerp, Department of Biology – ECOSPHERE, Universiteitsplein 1, B-2610 Wilrijk, Belgium. Morphological investigation and typification of Eunotia denticulata (Brébisson ex Kützing) Rabenhorst and Eunotia major (W.Smith) Rabenhorst (Eunotiaceae, Bacillariophyta). (Download PDF).

No. 247. Umakant B. Deshmukh, Institution of Higher Learning, Research and Specialized Studies Centre, Department of Botany, Janata Mahavidyalaya, Chandrapur – 442 401, Maharashtra, India. (correspondence: deshmukhumakant979@gmail.com), Saúl Blanco, Laboratorio de Diatomología, Instituto de Investigación de Medio Ambiente, Recursos Naturales y Biodiversidad, La Serna 58 – E24007 León, Spain & Eduardo A. Molinari-Novoa, Chess Consulting & Project, Lima 15039 and 'La Molina' National Agrarian University, Lima 15024, Peru. Palaeocompositus, gen. nov., a validation of the invalid fossil diatom designation "Compositus" Vekshina (Stictodiscaceae, Bacillariophyta) (Download PDF).

No. 248. Rubén Agustín Lameiro, División Ficología, Museo de La Plata, Paseo del Bosque S/N, 1900, La Plata, Argentina  (correspondence: ralameiro@gmail.com), Adrián O. Cefarelli, Centro de Investigaciones y Transferencia Golfo San Jorge, UNPSJB - CONICET, Ruta Provincial 1, Km 4, 9000, Comodoro Rivadavia, Argentina & Amelia A. Vouilloud, División Ficología, Museo de La Plata, Paseo del Bosque S/N, 1900, La Plata, Argentina. Transfer of Navicula hochstetterivar. patagonicaFrenguelli to the genus Cavinula (Cavinulaceae, Bacillariophyta) and lectotype designation (Download PDF).

No. 249. Geraldo José Peixoto Ramos, Departamento de Ciências Biológicas, Universidade Estadual de Santa Cruz, Rodovia Jorge Amado, km 16, 45662–900, Ilhéus, BA, Brazil (correspondence: gjpramos@uesc.br) & Carlos Wallace do Nascimento Moura, Laboratório de Ficologia, Universidade Estadual de Feira de Santana, Av. Transnordestina, s/nº, 44036–900, Feira de Santana, BA, Brazil. Nomenclatural and taxonomic notes on desmids from Brazil. V. (Download PDF).

No. 250. Konrad Schultz, University of Rostock, Institute of Bioscience, Department of Botany, Wismarsche Straße 44/45, Rostock  (correspondence: konrad.schultz@uni-rostock.de), Mirko Dreßler, University of Rostock, Institute of Bioscience, Department of Botany, Wismarsche Straße 44/45, Rostock & University of Greifswald, Institute for Geography and Geology, Physical Geography, Friedrich-Ludwig-Jahn Str. 16, 17487 Greifswald, Germany & Olivier Jacques, Université Laval, Département de géographie, Laboratoire de paléoécologie aquatique (LPA), Québec, QC G1V 0A6, Canada. Transfer of Cyclotella michiganiana Skvortzov to the genus Pantocsekiella K.T.Kiss & Ács (Stephanodiscaceae, Bacillariophyta) (Download PDF).

No. 251. Tatyana Darienko, Experimental Phycology and Culture Collection of Algae, University of Göttingen, Nikolausberger Weg 18, D-37073 Göttingen, Germany & Thomas Pröschold, Research Department for Limnology at Mondsee, University of Innsbruck, Mondseestr. 9, A-5310 Mondsee, Austria (correspondence: Thomas.Proeschold@uibk.ac.at). Valeriella, a new genus of terrestrial coccoid green algae previously assigned to Spongiochloris R.C.Starr (Chlorophyceae, Chlorococcaceae) (Download PDF).

No. 252. Carlos E. Wetzel, Luxembourg Institute of Science and Technology (LIST), Environmental Research & Innovation (ERIN) Department, 41 rue du Brill, L-4422 Belvaux, Luxembourg (correspondence: carlos.wetzel@list.lu), Marina Potapova, The Academy of Natural Sciences, Drexel University, Philadelphia, PA, USA & David M. Williams, Department of Life Sciences, the Natural History Museum, Cromwell Road, London, SW7 5BD, UK. Synedra phantasma M.H.Hohn (Bacillariophyta, Fragilariaceae) from the Amazon river (South America): its typification and transfer to the genus Fragilaria (Download PDF).

No. 253. Bart Van de Vijver, Meise Botanic Garden, Research Department, Nieuwelaan 38, 1860 Meise, Belgium & University of Antwerp, Department of Biology – ECOSPHERE, Universiteitsplein 1, B-2610 Wilrijk, Belgium (correspondence: bart.vandevijver@plantentuinmeise.be) & Tanja M. Schuster, Natural History Museum, Department of Botany, Herbarium, Burgring 7, 1010 Vienna, Austria. Typification of Synedra filiformis Grunow and its transfer to the genus Fragilaria (Fragilariaceae, Bacillariophyta) (Download PDF).

No. 254. Wilfred John E. Santiañez, G.T. Velasquez Phycological Herbarium and The Marine Science Institute, College of Science, University of the Philippines Diliman, Quezon City 1101, Philippines (correspondence: wjsantianez@msi.upd.edu.ph).

Encephalophycus, gen. nov., a new brown algal genus based upon Colpomenia tuberculata D.A.Saunders (Scytosiphonaceae, Phaeophyceae) (Download PDF).

No. 255. José M. Guerrero, División Ficología, Museo de La Plata, Paseo del Bosque S/N, 1900, La Plata, Argentina (correspondence: guerrero@fcnym.unlp.edu.ar) & Amelia A. Vouilloud, División Ficología, Museo de La Plata, Paseo del Bosque S/N, 1900, La Plata, Argentina. Nomenclatural notes on names of diatom taxa of J. Frenguelli. II. Resolving the nomenclatural history of Pinnularia delicata Frenguelli (Pinnulariaceae, Bacillariophyta) (Download PDF).

No. 256. Bart Van de Vijver, Meise Botanic Garden, Research Department, Nieuwelaan 38, 1860 Meise, Belgium & University of Antwerp, Department of Biology – ECOSPHERE, Universiteitsplein 1, B-2610 Wilrijk, Belgium (correspondence: bart.vandevijver@plantentuinmeise.be) & David M. Williams. The Natural History Museum, Department of Life Sciences, Cromwell Road, London, SW7 5BD, UK. Typification of Synedra longissima W.Smith and its transfer to the genus Ulnaria (Ulnariaceae, Bacillariophyta) (Download PDF).

No. 257. Giovanni Furnari & Donatella Serio. Department of Biological, Geological and Environmental Sciences, Section Vegetal Biology, University of Catania, via Empedocle 58, 95128 Catania, Italy. Validation of Ericaria brachycarpa var. claudiae Boudouresque, Perret-Boudouresque & Blanfuné (Sargassaceae, Phaeophyceae) (Download PDF).

No. 258. Wilfred John E. Santiañez, G.T. Velasquez Phycological Herbarium and The Marine Science Institute, College of Science, University of the Philippines Diliman, Quezon City 1101, Philippines (correspondence: wjsantianez@msi.upd.edu.ph) & Michael J. Wynne, University of Michigan Herbarium, Ann Arbor, Michigan 48108, USA. Proposal to transfer some taxa under Phycocalidia Santiañez & M.J.Wynne to Pyropia J.Agardh (Bangiaceae, Rhodophyta) (Download PDF).

No. 259. Maren Preuss, School of Biological Sciences, Victoria University of Wellington, PO Box 600, Wellington, 6140, New Zealand (correspondence: maren.preuss@vuw.ac.nz). Designation of a lectotype for the red algal parasite Gonimophyllum insulare and notes on its host species (Delesseriaceae, Rhodophyta). Maren Preuss, School of Biological Sciences, Victoria University of Wellington, PO Box 600, Wellington, 6140, New Zealand (correspondence: maren.preuss@vuw.ac.nz). (Download PDF).

No. 260. Bart Van de Vijver, Meise Botanic Garden, Research Department, Nieuwelaan 38, 1860 Meise, Belgium & University of Antwerp, Department of Biology – ECOSPHERE, Universiteitsplein 1, B-2610 Wilrijk, Belgium (correspondence: bart.vandevijver@plantentuinmeise.be) & Charlotte Goeyers, Meise Botanic Garden, Research Department, Nieuwelaan 38, 1860 Meise, Belgium & Ghent University, Protistology & Aquatic Ecology, Campus de Sterre, Gent, Belgium. Epitypification of Humidophila perpusilla (Grunow) R.L.Lowe & al. (Diadesmidiaceae, Bacillariophyta) (Download PDF).

No. 261. Mateusz Rybak, University of Rzeszów, Department of Agroecology and Forest Utilization, Ćwiklińskiej 1a, 35-601, Rzeszów, Poland (correspondence: matrybak91@gmail.com) & Natalia Kochman-Kędziora, University of Rzeszów, Department of Agroecology and Forest Utilization, Ćwiklińskiej 1a, 35-601, Rzeszów, Poland. Hantzschia nana Rybak, nom. nov. (≡ Hantzschia minima Rybak, nom. illeg.; Bacillariaceae, Bacillariophyta) (Download PDF).

No. 262. Ki Wan Nam, Department of Marine Biology, Pukyong National University, Busan 48513, Korea (correspondence: kwnam@pknu.ac.kr).Validation of the generic name Heterojanczewskia (Rhodomelaceae, Rhodophyta) (Download PDF).

No. 263. Bart Van de Vijver, Meise Botanic Garden, Research Department, Nieuwelaan 38, 1860 Meise, Belgium & University of Antwerp, Department of Biology – ECOSPHERE, Universiteitsplein 1, B-2610 Wilrijk, Belgium (correspondence: bart.vandevijver@plantentuinmeise.be) & Wolf-Henning Kusber, Botanischer Garten und Botanisches Museum Berlin, Freie Universität Berlin, Königin-Luise-Str. 6-8, 14195 Berlin, Germany. Typification of Sigmatella subrecta Brébisson and its transfer to the genus Gyrosigma (Naviculaceae, Bacillariophyta) (Download PDF).

No. 264. Christopher S. Lobban, Division of Natural Sciences, University of Guam, Mangilao, GU 96923, USA & Matt P. Ashworth, UTEX Culture Collection of Algae, University of Texas at Austin, Austin, TX, USA. Systematic placement of the necklace-chain genera Bleakeleya, Koernerella and Perideraion (Koernerellaceae fam. nov., Koernerellales ord. nov., Bacillariophyta) (Download PDF).

No. 265. Bart Van de Vijver, Meise Botanic Garden, Research Department, Nieuwelaan 38, 1860 Meise, Belgium & University of Antwerp, Department of Biology – ECOSPHERE, Universiteitsplein 1, B-2610 Wilrijk, Belgium (correspondence: bart.vandevijver@plantentuinmeise.be), Charlotte Goeyers, Meise Botanic Garden, Research Department, Nieuwelaan 38, 1860 Meise, Belgium & Ghent University, Protistology & Aquatic Ecology, Campus de Sterre, Gent, Belgium
Luc Ector (†), Luxembourg Institute of Science and Technology (LIST), Environmental Research & Innovation (ERIN) Department, Observatory for Climate, Environment and Biodiversity (OCEB), 41 rue du Brill, L-4422 Belvaux, Luxembourg, Wolf-Henning Kusber, Botanischer Garten und Botanisches Museum Berlin, Freie Universität Berlin, Königin-Luise-Str. 6-8, 14195 Berlin, Germany. On the taxonomic identity of Humidophila contenta (Grunow) R.L.Lowe & al. and H. biceps (Grunow) Furey & al. (Diadesmidaceae, Bacillariophyta) (Download PDF).

No. 266. Michael. D. Guiry, AlgaeBase, Ryan Institute, University of Galway, University Road, Galway, H91 TK33 (correspondence: michael.guiry@algaebase.org) Licmophora cuneata (Lyngbye) comb. nov. is the correct name for Licmophora lyngbyei (Kützing) Grunow ≡ Frustulia lyngbyei Kützing, nom. illeg. (Licmophoraceae, Bacillariophyta) (Download PDF).

No. 267. Christopher S. Lobban, Division of Natural Sciences, University of Guam, Mangilao, GU 96923, USA & Matt P. Ashworth, UTEX Culture Collection of Algae, University of Texas at Austin, Austin, TX 78712, USA. Homoeocladia C.Agardh reinstated for bilaterally symmetrical conopeate Nitzschia species (Bacillariaceae, Bacillariophyta) (Download PDF).