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Data · collection · 2025

Taxonomic revision of the genus Prasiola Meneghini, 1838 (Prasiolaceae, Trebouxiophyceae) results in the establishment of three new genera

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This dataset contains the digitized treatments in Plazi based on the original journal article Heesch, Svenja, Guiry, Michael D., Rindi, Fabio (2025): Taxonomic revision of the genus Prasiola Meneghini, 1838 (Prasiolaceae, Trebouxiophyceae) results in the establishment of three new genera. Cryptogamie, Algologie 46 (2): 19-30, DOI: 10.5252/cryptogamie-algologie2025v46a2, URL: sciencepress.mnhn.fr/sites/default/files/articles/pdf/algologie2025v46a2.pdf ABSTRACT With 35 currently recognised species, Prasiola Meneghini, 1838 is the largest genus of the family Prasiolaceae (Prasiolales, Trebouxiophyceae).

However, recent molecular phylogenetic studies have shown that the genus as currently conceived is polyphyletic, due to a separate genus, Prasiococcus Vischer, clearly being nested between the Prasiola clades. Since the clade containing the type species Prasiola crispa (Lightfoot) Kützing has priority, we propose three new taxonomic realignments, based on DNA sequence comparisons, for two clades containing four and two species of Prasiola, respectively, and for another single species.

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The genus Mariprasiola Heesch, Guiry & Rindi, gen. nov., comprising the four species M. stipitata (Suhr ex Jessen) Heesch, Guiry & Rindi, comb. nov., the type, M. delicata (Setchell & N.L.Gardner) Heesch, Guiry & Rindi, comb. nov., M. linearis (C.-C.Jao) Heesch, Guiry & Rindi, comb. nov. and M. meridionalis (Setchell & N.L.Gardner) Heesch, Guiry & Rindi, comb. nov., distributed in marine habitats. Two species of Vittaprasiola Heesch, Guiry & Rindi, gen. nov., the strictly terrestrial species V. calophylla (Carmichael ex Greville) Heesch, Guiry & Rindi, comb. nov., the type, and the freshwater species V. fluviatilis (Sommerfelt) Heesch, Guiry & Rindi, comb. nov., share a belt-like appearance.

Eaprasiola Heesch, Guiry & Rindi, gen. nov. is currently monospecific, with E. japonica (R.Yatabe) Heesch, Guiry & Rindi, comb. nov., found in freshwater habitats in East Asia and with thalli reaching up to 20 cm in length, the largest known representative of the family. Since the remaining 21 species of Prasiola lack genetic data, they cannot at present be assigned to any genus and remain in the genus Prasiola sensu lato.

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Life Sciences
Provenance · 1 source records, 8 field assertions
SourceKeyLast seenRaw
GBIF46cdc6c9-95c1-436e-9650-2e0503d665ce13 d agoJSON v1
FieldAssertionExtractorEvidence
access_levelsource · gbifconnector:gbif@1.0.0
concepts[field].local:field:life-sciencesmapping · gbifconnector:gbif@1.0.0
created_datesource · gbifconnector:gbif@1.0.0
descriptionsource · gbifconnector:gbif@1.0.0/description
licensesource · gbifconnector:gbif@1.0.0
publication_datesource · gbifconnector:gbif@1.0.0
titlesource · gbifconnector:gbif@1.0.0/title
updated_datesource · gbifconnector:gbif@1.0.0