Notes on Early Land Plants Today. 17. Transfers of some taxa in Adelanthaceae (Marchantiophyta)

A working checklist of accepted taxa worldwide is vital in achieving the goal of developing an online flora of all known plants by 2020 as part of the Global Strategy for Plant Conservation. We here present the first-ever worldwide checklist for liverworts (Marchantiophyta) and hornworts (Anthocerotophyta) that includes 7486 species in 398 genera representing 92 families from the two phyla. The checklist has far reaching implications and applications, including providing a valuable tool for taxonomists and systematists, analyzing phytogeographic and diversity patterns, aiding in the assessment of floristic and taxonomic knowledge, and identifying geographical gaps in our understanding of the global liverwort and hornwort flora. The checklist is derived from a working data set centralizing nomenclature, taxonomy and geography on a global scale. Prior to this effort a lack of centralization has been a major impediment for the study and analysis of species richness, conservation and systematic research at both regional and global scales. The success of this checklist, initiated in 2008, has been underpinned by its community approach involving taxonomic specialists working towards a consensus on taxonomy, nomenclature and distribution.

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“…*** Cuspidatula orbicularis (Grolle) Váňa et L.Söderstr., Phytotaxa 76 (3): 36, 2013 ( Váňa et al 2013h ). Bas.…”

Section: Taxonomic Listunclassified

World checklist of hornworts and liverworts

Söderström

Hagborg

Konrat

et al. 2016

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558

290

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“…Grolle). This species was originally described from Tasmania as Jungermannia teres Carrington & Pearson, but, apart from the present generic placement, it was also positioned in Syzygiella (Váňa et al, 2013).…”

Section: Introductionmentioning

confidence: 78%

Syzygiella teres (Machantiophyta) de la Isla Elefante, Antártida

Suárez¹,

Bordin²,

Câmara³

2019

Bol. Soc. Argent. Bot.

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Introducción y objetivos: La flora de hepáticas de la Isla Elefante, Antártida, está constituida por seis especies: Cephalozia badia, Cephaloziella varians, Anthelia juratzkana, Barbilophozia hatcheri, Lophoziopsis excisa, y Syzygiella jacquinotii. El objetivo de esta comunicación es registrar a Syzygiella teres para la isla. M&M: Las hepáticas fueron estudiadas mediante técnicas convencionales para briófitas y montadas en solución de Hoyer. Resultados: Syzygiella teres se caracteriza por las hojas no lobadas con los márgenes hialinos. La especie es brevemente descrita e ilustrada. Se presenta una clave para las hepáticas foliosas presentes en la Isla Elefante.

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