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2023
Journal article
Validation of the name Cyperus atronervatus subsp. angustifolius (Cyperaceae).
The name subsp. was not validly published due to the omission of a Latin diagnosis. The name is validly published here.Xanthos, Martin
Ethiopia, Nomenclature, New subspecies, and Cyperus atronervatus subsp. angustifolius
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2023
Journal article
A Taxonomically-verified and Vouchered Checklist of the Vascular Plants of the Republic of Guinea.
The Checklist of the Vascular Plants of the Republic of Guinea (CVPRG) is a specimen-based, expert-validated knowledge product, which provides a concise synthesis and overview of current knowledge on 3901 vascular plant species documented from Guinea (Conakry), West Africa, including their accepted names and synonyms, as well as their distribution... -
2023
Journal article
Reassessment of morphological species delimitations in the Cyperus margaritaceus-niveus complex using morphometrics.
– The complex is a group of ten tropical species from sub-Saharan Africa and Madagascar: , , , , , , , , , and . They are characterised by a capitate head of white-yellow spikelets and modified culm bases and recent molecular analysis puts them in a distinct clade....Xanthos, Martin ; Mayo, Simon J. ; Larridon, Isabel
Species complex, Taxonomy, Morphometrics, Cyperaceae, and Cyperus margaritaceus-niveus
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2020
Journal article
Trichanthecium tenerium (Poaceae: Panicoideae), a new species from Guinea-Conakry.
Trichanthecium tenerium Xanthos, a new species from Guinea-Conakry, is described and illustrated. Trichanthecium tenerium is at present known only from two uninhabited sandstone table mountains in the Kounounkan Massif, Forécariah Prefecture. The species is assessed under the IUCN category Endangered. A key to the annual species of Trichanthecium is provided.Xanthos, Martin ; Konomou, Gbamon ; Haba, Pepe M. ; van der Burgt, Xander M.
Africa, Microhairs, Guinea-Conakry, Taxonomy, and Trichanthecium tenerium
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2020
Journal article
Tackling Rapid Radiations With Targeted Sequencing
In phylogenetic studies across angiosperms, at various taxonomic levels, polytomies have persisted despite efforts to resolve them by increasing sampling of taxa and loci. The large amount of genomic data now available and statistical tools to analyze them provide unprecedented power for phylogenetic inference. Targeted sequencing has emerged as a... -
2019
Journal article
A revision of Scleria (Cyperaceae) in Madagascar
A taxonomic revision of the genus Scleria (Cyperoideae, Cyperaceae) in Madagascar is presented. Herbarium specimens have been examined and 422 identified to species level. Our results recognise 25 species of Scleria from Madagascar, plus an additional heterotypic variety. Eight species are endemic to Madagascar, two are near endemic, eight taxa...Galán Díaz, J. ; Bauters, K. ; Rabarivola, L. ; Xanthos, Martin ; Goetghebeur, P. …
conservation, endemic species, Madagascar, revision, identification key, Cyperaceae, and Scleria
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2019
Journal article
Revision of the Afro-Madagascan genus Costularia (Schoeneae, Cyperaceae): infrageneric relationships and species delimitation
A recent molecular phylogenetic study revealed four distinct evolutionary lineages in the genus Costularia s.l. (Schoeneae, Cyperaceae, Poales). Two lineages are part of the Oreobolus clade of tribe Schoeneae: the first being a much-reduced genus Costularia s.s., and the second a lineage endemic to New Caledonia for which a new...Larridon, Isabel ; Rabarivola, Linah ; Xanthos, Martin ; Muasya, A