Ignatov M.S.1,2, Huttunen S.3,Kuznetsova O.I.1 2020. On the phylogenetic position of the genus Claopodium: a revival of a 19th century idea // Arctoa. Vol. 29: 1–9 [in English].
1 – Tsitsin Main Botanical Garden, Russian Academy of Sciences, Botanicheskaya Str., 4, Moscow 127276 Russia. E-mail: oikuznets@gmail.com
2 – Lomonosov Moscow State University, Faculty of Biology, Plant Ecology and Geography Dept., Leninskie Gory 1-12, Moscow 119234 Russia. E-mail: misha_ignatov@list.ru
3 – Herbarium, Biodiversity Unit, FI-20014 University of Turku, Finland. E-mail: shuttu@utu.fi
KEYWORDS: Brachytheciaceae, Meteoriaceae, nrITS, rps4–trnS, papillose cells, branch initials
ABSTRACT. Molecular phylogenetic analysis of nuclear ITS and plastid rps4–trnS found species of the genus Claopodium in the clade formed by species of Brachytheciaceae and Meteoriaceae, including Trachypodaceae. Claopodium is resolved as sister to Brachytheciaceae, thus we suggest its placement in this family, despite it will be the only taxon of the family with pluripapillose laminal cells. The taxonomic value of the papillose leaf cells in pleurocarpous mosses is discussed.
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doi 10.15298/arctoa.29.01