Ramalina roesleri Nyl.
Year: 2025
Type: article
Abstract: Ramalina roesleri (Hochst. ex Schaer.) Nyl.; Mycobank #403821 Hue, Rev. Bot. 6: 151 (1887). – Ramalina fraxinea var. roesleri Schaer., 1850. Type:― In Germaniae sylva Schwartzwald prope Freudenstadt, leg. Roesler (not seen) (Krog & James 1977). The voucher mentioned by Riahi & Valadbeigi (2004) and Seaward et al. (2008) was unfortunately not available for review during this study. The description below is derived from Krog & James (1977) and Nimis & Martellos (2024). Thallus fruticose, shrubby, erect to subpendulous, small, 1 to 5 cm long, light green. Lobes densely branched, with fine and slender branchlets, typically hooked at the apex, with delicate, hollow central stems, 1–2.5 mm in width. Soralia dot-like, subterminal or terminal. Soredia few, granular, and coarse, not corticate. Apothecia not seen. Chemistry: Medulla spot tests K–, C–, KC–, PD–, UV–; TLC: Usnic and sekikaic acids (Nimis & Martellos 2024). Ecology and distribution: Ramalina roesleri has been reported for Iran since 2004 (Riahi & Valadbeigi 2004, Seaward et al. 2008). This species grows on shrubs, branches, and twigs of trees in open, humid environments. In the adjacent countries, it is reported from Turkey (Özturk & Guvenc 2010). Note: The combination of hollow lobes and dot-like soralia is unmistakable. (Krog & James 1977). Specimens examined: MAZANDARAN PROVINCE: Tonekabon county, ca 46 km from Tonekabon-Se Hezar Road, ca 1 km form Ghazi Mahaleh village, beside the road, GPS: 50.8578321 N, 36.48903056 E, 1680 m., 2018, trunk of Quercus, M. Sohrabi & Ch. Printzen 21634 (Herb. M. Sohrabi).
Authors: Sharifi, Maryam, Mehregan, Iraj, Sohrabi, Mohammad, Larijani, Kambiz, Sipman, Harrie
Language: English
Topic: Lichen and fungal ecology
Domain: Life Sciences
Open Access status: green
OpenAlex ID: W6930709237
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