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Ulyana N. Spirina

Observed names: Spirina, Ulyana N., U Spirina, U. N. Spirina, U.N. Spirina, ULYANA N. SPIRINA, Ulyana N Spirina
ORCID: 0000-0001-7010-5041
Observed ORCID: 0000-0001-7010-5041
OpenAlex ID: A5069482767
On the systematic position of the moss genus Catoscopium, with a new approach to the peristome reduction study
2015 · Michael S. Ignatov, Ulyana N. Spirina, et al. · Arctoa · 15
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Andreaeobryum macrosporum (Andreaeobryopsida) in Russia, with additional data on its morphology
2016 · Michael S. Ignatov, Elena A. Ignatova, et al. · Arctoa · 13
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Branch development and pseudoparaphyllia of Hypnum cupressiforme (Hypnales, Musci)
2008 · Ulyana N. Spirina, Michael S. Ignatov · Arctoa · 12
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Morphogenesis of proximal branch leaves in mosses
2012 · M. S. Ignatov, U. N. Spirina · Russian Journal of Developmental Biology · 10
A comparison of early stages of branch development in Brachythecium and Calliergon (Bryophyta)
2005 · Ulyana N. Spirina, Michael S. Ignatov · Arctoa · 10
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Are All Paraphyllia the Same?
2020 · Ulyana N. Spirina, Tatiana V. Voronkova, et al. · Frontiers in Plant Science · 9
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Bilobed leaves in mosses? Structure and adaptive significance of proximal branch leaves in Lembophyllaceae
2015 · Ulyana N. Spirina, Michael S. Ignatov · Arctoa · 9
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On moss family Lembophyllaceae in the Russian Far East
2019 · E. A. Ignatova, V. E. Fedosov, et al. · Arctoa · 8
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On the branch development in Leucodon (Leucodontaceae, Bryophyta)
2010 · Ulyana N. Spirina, Michael S. Ignatov · Arctoa · 8
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[Mosses of the Tver Province (Middle part of European Russia)]
2002 · Alexander A. Notov, Ulyana N. Spirina, et al. · Arctoa · 8
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Peristome development pattern in Encalypta poses a problem: what is the primary peristomial layer in mosses?
2018 · Michael S. Ignatov, Ulyana N. Spirina, et al. · Arctoa · 7
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On the branch primordia structure in the Basal Hypnanae (Bryophyta)
2012 · Ulyana N. Spirina, Masaki N. Shimamura, et al. · Arctoa · 7
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On the branch development in Fontinalaceae (Bryophyta)
2011 · Ulyana N. Spirina, Michael S. Ignatov · Arctoa · 7
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[Mosses of the Orenburg State Nature Reserve (south-eastern european Russia)]
2004 · Ulyana N. Spirina, Valerij I. Zolotov · Arctoa · 7
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Buxbaumia: a moss peristome without a peristomial
2018 · M. S. Ignatov, U. N. Spirina, et al. · Arctoa · 6
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How opposite may differ from opposite: a lesson from the peristome development in the moss Discelium
2020 · Michael S Ignatov, Ulyana N Spirina, et al. · Botanical Journal of the Linnean Society · 5
How to Recognize Mosses from Extant Groups among Paleozoic and Mesozoic Fossils
2024 · Michael S. Ignatov, Tatyana V. Voronkova, et al. · Diversity · 4
Ultrastructure and development of sporoderm in Andreaeobryum macrosporum Steere & B.M. Murray (Andreaeobryopsida)
2022 · Svetlana V. Polevova, Ulyana N. Spirina, et al. · Review of Palaeobotany and Palynology · 4
Cell Division Patterns in the Peristomial Layers of the Moss Genus Costesia: Two Hypotheses and a Third Solution
2020 · Michael S. Ignatov, Ulyana N. Spirina, et al. · Frontiers in Plant Science · 4
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On the leaf development in Oedipodium griffithianum (Oedipodiopsida, Bryophyta)
2015 · Michael S. Ignatov, Ulyana N. Spirina, et al. · Arctoa · 4
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On the expansion of Atrichum flavisetum in Moscow Province: how does it divide habitats with A. undulatum
2024 · I. M. Goryushko, D. I. Podoprigorina, et al. · Arctoa · 3
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Arvildia, an Upper Permian moss and its possible relationships
2023 · M. S. Ignatov, T. V. Voronkova, et al. · Arctoa · 3
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From Protosphagnum to Sphagnum ? Additional support for M. F. Neuburg’s hypothesis on the evolution of leaf development in the Permian protosphagnalean mosses
2026 · Michael S Ignatov, Tatyana V Voronkova, et al. · Annals of Botany · 2
On the branch primordia in Neckera and related genera (Bryophyta)
2021 · M. S. Ignatov, T. V. Voronkova, et al. · Arctoa · 2
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On the moss genus Gomankovia from the upper permian of the Russian platform
2024 · M. S. Ignatov, U. N. Spirina, et al. · Arctoa · 1
Works count: 124
Citation count: 170
H-index: 8
I10-index: 5
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