Ignatov M.S.1,2, Lamkowski P. 3, Ignatova E.A. 2 & Perkovsky E.E. 4,5 2019. Mosses from Rovno amber (Ukraine), 4. Sphagnum heinrichsii, a new moss species from Eocene // Arctoa. Vol. 28: 1-11 [in English].

1 – Lomonosov Moscow State University, Biological Faculty, Geobotany Dept., Leninskie Gory Str. 1-12, Moscow 119234 Russia; e-mails: misha_ignatov@list.ru  & arctoa@list.ru
2 – Tsitsin Main Botanical Garden, Russian Academy of Sciences, Botanicheskaya Str., 4, Moscow 127276 Russia – Россия
3 – Institute of Botany and Landscape Ecology, Ernst Moritz Arndt University, Soldmannstraße 14, 17487 Greifswald, Germany; e-mail: schneidried@gmail.com
4 – Schmalhausen Institute of Zoology of the Ukrainian National Academy of Sciences, B. Khmelnitsky str., 15, Kiev 01-106, Ukraine; e-mail: perkovsk@gmail.com
5 – Borissiak Paleontological Institute, Russian Academy of Sciences, Profsoyuznaya 123, Moscow 117997 Russia

KEYWORDS: bryophytes, mosses, fossils, Sphagnaceae, Spahnales, sect. Cuspidata

ABSTRACT. Sphagnum heinrichsii is the second specimen of this genus from Eocene amber of Europe, and is preserved with more detail than the first unnamed Sphagnum from Baltic amber, which was referred to the sect. Acutifolia. Sphagnum heinrichsii is represented by one stem fragment with about seven branches. The branch leaf pore arrangement points to a relationship with sect. Cuspidata. However stem leaf pores are rather more like those of sect. Subsecunda.

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doi 10.15298/arctoa.28.01