<p><i>Tortula bolanderi</i> is a rare moss species primarily distributed in western North America, with scattered occurrences in Macaronesia, the Mediterranean region, and western Europe. In this study, we report the first confirmed record of <i>T. bolanderi</i> from Türkiye and continental Asia. The specimen was discovered on 10 September 2024 during a bryofloristic survey on the Uluyazı Campus of Çankırı Karatekin University, growing on a thin soil layer over a concrete surface behind the Faculty of Engineering. Morphological characteristics of the population, including leaf structure, costa anatomy, and capsule features, were consistent with previously described material. Identification was confirmed through comparison with the type specimen by Dr. Richard Zander. The microhabitat was anthropogenically influenced and is subject to several environmental threats, including human activity, landscaping operations, and chemical treatments. This record significantly expands the known geographical range of <i>T. bolanderi</i>, which has previously been considered rare and restricted to western North America and select Mediterranean sites. The discovery highlights the importance of continued bryological surveys in underexplored regions and raises important questions about the species’ dispersal and biogeographical history.</p>

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Tortula bolanderi, A rare moss species new to Türkiye and Asia

  • Serhat Ursavaş,
  • Simge Çizgen Tan

摘要

Tortula bolanderi is a rare moss species primarily distributed in western North America, with scattered occurrences in Macaronesia, the Mediterranean region, and western Europe. In this study, we report the first confirmed record of T. bolanderi from Türkiye and continental Asia. The specimen was discovered on 10 September 2024 during a bryofloristic survey on the Uluyazı Campus of Çankırı Karatekin University, growing on a thin soil layer over a concrete surface behind the Faculty of Engineering. Morphological characteristics of the population, including leaf structure, costa anatomy, and capsule features, were consistent with previously described material. Identification was confirmed through comparison with the type specimen by Dr. Richard Zander. The microhabitat was anthropogenically influenced and is subject to several environmental threats, including human activity, landscaping operations, and chemical treatments. This record significantly expands the known geographical range of T. bolanderi, which has previously been considered rare and restricted to western North America and select Mediterranean sites. The discovery highlights the importance of continued bryological surveys in underexplored regions and raises important questions about the species’ dispersal and biogeographical history.