identifier	taxonID	type	CVterm	format	language	title	description	additionalInformationURL	UsageTerms	rights	Owner	contributor	creator	bibliographicCitation
03F2870E0345286EFF3DC28F977B29FF.text	03F2870E0345286EFF3DC28F977B29FF.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Staurastrum bicudoi C. B. Araujo 2023	<div><p>Staurastrum bicudoi C.B.Araújo, sp. nov.</p><p>Description: Cells as long as broad; semicells with divergent and step processes; the processes run towards the base out into parallel sides with three concentric rows of widely spaced granules, terminating in five small spines; apex visible and triradiate; sinus shallow and open; isthmus with a single or two rows of sharp granules; the ornamentation consists of fine thorns; vertical view triradiate; membrane hyaline. Cells 21–30 μm long (with processes), 15–20 μm (without processes), 14–18.5μm wide (with processes), 7.0–9.5 μm (without processes), 5.0–6.5 μm isthmus width.</p><p>Holotype: Material numbered (SP428487) [other organisms present], a formaldehyde-fixed sample deposited in the Herbário Científico do Estado ‘Maria Eneyda P. Kauffmann Fidalgo – SP’, at the Instituto de Pesquisas Ambientais, São Paulo, São Paulo State, Brazil. Population partially illustrated here from light microscopy (Figs 1–4).</p><p>Type locality: Brazil. São Paulo: Itirapina Municipality, a small pond covered by Sphagnum sp., located in the “ Reserva Experimental de Itirapina ”, Lat. 22°13.836ʹS, Long. 47°49.165ʹW, 22 May 2017, C.B. Araújo (SP428487).</p><p>PhycoBank Registration: http://phycobank.org/103632</p><p>Habitat: This new species was found in the study area associated to Sphagnum sp.; Electrical conductivity (EC): 0.012 mS/cm, pH: 4.39, Oxygen dissolved (OD): 12.69 mg /L, Water temperature (WT): 22.51ºC.</p><p>Etymology: The epithet honours the eminent Brazilian phycologist Dr Carlos Eduardo de Mattos Bicudo, for his inestimable contribution to the dissemination of knowledge of phycology, especially desmids, in Brazil and America.</p><p>Distribution in Brazil: This species was noted in the Amazon region as Staurastrum donellii Kurt Förster (Förster 1963: Serra da Lua, Roraima State, fig. 5); Staurastrum pseudozonatum [ var. minutum] f. rectum Kurt Förster &amp; Eckert (Förster 1964: Rio das Femmeas, Tocantins State, fig. 6); Staurastrum donnellii var. simplex Croasdale &amp; A.M.Scott (Scott &amp; al. 1965: Vigia Municipality, Pará State, fig. 7); Staurastrum pseudozonatum var. minutissimum Kurt Förster (Förster 1969: “Igarapé Mapiri” and “Lago Jurucuí”, Santarém Municipality, Pará State, fig. 8) and the present study (Itirapina Municipality, São Paulo State, figs 1-4).</p></div>	https://treatment.plazi.org/id/03F2870E0345286EFF3DC28F977B29FF	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Plazi	Araújo, Camila Barbosa de	Araújo, Camila Barbosa de (2023): Revaluation of some desmid taxa and the description of Staurastrum bicudoi sp. nov. (Desmidiaceae, Zygnematophyceae). Notulae Algarum 272: 1-3, DOI: 10.5281/zenodo.16652722
