| Summary: | About 30 species of rare vascular plants in Leningrad Region and Saint-Petersburg are presented. 20 species (Lycopodiella inundata, Isoëtes echinospora, Asplenium trichomanes, Woodsia ilvensis, Helictotrichon pratense, Rhynchospora fusca, Trichophorum cespitosum, Juncus stygius, Iris sibirica, Dactylorhiza baltica, Epipactis atrorubens, Epipogium aphyllum, Neottia nidus-avis, Betula humilis, Silene tatarica, Pulsatilla patens, Drosera intermedia, Jovibarba globifera, Viola selkirkii, Senecio paludosus) are included in the Red Data Book of the Leningrad Region, 2 species (Alisma juzepczukii, Dactylorhiza baltica) are included in the Red Data Book of Saint Petersburg, 4 species (Isoëtes echinospora, Dactylorhiza baltica, Epipogium aphyllum, Rhynchospora fusca) are included in the Red Data Book of Russian Federation. Refs 12.
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