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Pmas.V59i1.1138 Pmasproceedings of the Mongolian Academy of Sciences ARTICLE Vol. 59 No 01 (229) 2019 Proceedings of the Mongolian Academy of Sciences Vol. 58 No 01 (225) 2018 DOI: https://doi.org/10.5564/pmas.v59i1.1138 PMASProceedings of the Mongolian Academy of Sciences https://www.mongoliajol.info/index.php/PMAS ARTICLE THREE SPECIES OF HETERODERMIA RECORDED IN MONGOLIA Enkhtuya O.* and Javkhlan S. Laboratory of Flora and plant systematic, Institute of General and Experimental Biology Mongolian Academy of Sciences, Ulaanbaatar, Mongolia -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- ARTICLE INFO: Received: 18 Oct, 2018; Accepted: 15 Apr, 2019 -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Abstract: Heterodermia hypoleuca (Ach.) Treis.,H. japonica (M. Sato) Swinscow & Krogand H. subascendens (Asahina) Trass. have been recorded for the first time in Mongolia. Data on substrates, habitats, distribution are listed for every species. Taxonomic comments and distinctive characters are provided for these species. The habitats are briefly described and the frequently associated species are listed. It is interesting to note that as a result of processing hundreds of herbarium collections of lichens, numerous new species were found in Mongolia. This means that there is still a substantial gap in the knowledge, especially about the lichen flora of remote corners of the country, which are numerous. Keywords: lichen species; Heterodermia; Mountain Range; mossed granite rocks; INTRODUCTION Recently, as mentioned in the work of M. to the lichen flora of Mongolia. Until recently Hauck et all [11] the lichen flora of Mongolia only two species of Heterodermia such as H. is better known as compared to many other leucomelos (L.) Poelt from willow bark [2] Central Asian countries or regions (Central and H. speciosa (Wulfen in Jacq.) Trevis from Asia is treated here in a broad sense), like mossy rock [9, 10, 7, 8, 11] were known from Kazakhstan [32], Kyrgyzstan [22], Tajikistan a very few localities in Mongolia. [19], Xinjiang [1] or Tibet [33]. According One of the main reasons for the poor to the checklist of the mongolian lichens by knowledge of lichenised fungi and their ecology Biazrov Lev G [5] there are 1067 lichens has been the lack of adequate Information about and 13 lichenicolous fungi now known in the taxomony of Physciaceae, Heterodermia Mongolia. The small number of lichenicolous species. In some cases, even frequent species fungi registered so far is perhaps because of had not been identified until recently. We hope the limited investigation carried out into this that many unknown species are included in the group of fungi in Mongolia [14, 15, 16, 17]. herbarium material (UBA) of the Mongolian This time, we present 3 species to be added Academy of Sciences. *corresponding author: [email protected] https://orcid.org/0000-0002-8647-0964 The Author(s). 2018 Open access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. - 57 - Vol. 59 No 01 (229) 2019 Шинжлэх Ухааны Академийн Мэдээ 2017 оны №01 (221) DOI: https://doi.org/10.5564/pmas.v59i1.1138 PMASProceedings of the Mongolian Academy of Sciences https://www.mongoliajol.info/index.php/PMAS The objective of the present work is to outskirts of Ulaanbaatar. present a new species of Heterodermia of The Bogd Uul mountain is located on the lichenised Ascomycetes and Physciaceae, banks of the Tuul River that runs through the newly discovered in Mongolia for the first city. Another place from where Heterodermia time. Species identification of Heterodermia hypoleuca (Ach.) Treis was collected in and Physciaceae were carried out basing on 2013 comes from the Great Khingan floristic samples of lichens collected by the author in districts in the eastern part of Mongolia. 1995 from Bogd Uul Mountain in the southern MATERIALS AND METHODS Lichens were collected from 2 locations sections of the thalli and fruiting bodies were during field trips in 1995 and 2013 respectively. made by hand and observed under microscope The localities included vegetation forest of (Carl Zeiss Jena) and digital microscope Picea ovobata Ldb., Betula fusca Fall. with (XSP-3CB) with Mshot-MD30 camera. The granite rocks. Lichens were collected from these specimens were examined in water, and using 0 0 studied area (N47 01′004″; E119 22′263″) 10% KOH solution (K), saturated Ca (ClO)2 from the base trunks of bark Betula fusca Fall. solution (C) and water solution of potassium and from (N 47°45′49.9″; E 107°00′ 05.3″) the iodide (Kl). In the article the taxa are arranged top of granite stone with mosses. Specimens alphabetically, followed by collection are kept in the Lichenological herbarium, locations and substrates. The nomenclature Institute of General and Experimental Biology, follows resent literature (e.g., Blanco et al., Mongolian Academy of Sciences. Optical 2004; Eriksson, 2006; Kirk et al., 2008) and equipment and test solutions were used for the the Index Fungorum databаse (Index…, 2013). examination of the specimens. Microscopic RESULTS AND DISCUSSION Heterodermia hypoleuca (Ach.) Treis. Atti white; lower cortex: absent; lower surface: Soc. Ital. Sci. Nat.11: 615 (1869) [= Parmelia white to purple or almost black; rhizines: speciosa f. hypoleuca Ach., Anaptychia marginal, pale to black. hypoleuca (Ach.) A. Massal.] Apothecia: common, sometimes cup Basionym: Parmelia speciosa f. hypoleuca shaped, shortly stipitate or sessile with Ach., Syn. Lich.: 211 (1814). lobulated margin; disc: brown to dark brown; Synonym: Anaptychia hypoleuca (Ach.) A. asci: cylindrical to subclavate, 8-spored; Massal. ascospores: brown, 1-septate, ellipsoid, Pachysporaria type, with or without Thallus: foliose, irregular to orbicular, up sporoblastia, (22.5-)23.5-30.5 (-35) x 12.5-16 8 cm in diametre, loosely adnate with discrete, µm; Spot tests: cortex K+ yellow C-, KC-, P+ repeatedly dichotomously or irregularly yellow medulla K+yellow to orange. lobate; Lobes: up to 2 mm broad, usually Substrate and ecology: growing on bark around 1 mm, irregularly or dichotomously of a tree with fairly moist trunking and in open branched; tips: not ascending, with small condition in the forest of Betula fusca Pall. adventive lateral lobules, sometimes weak, Global distribution: Southern North eciliate; upper surface: greenish white or gray America, Africa and East Asia. China, Korea, to dark gray or brownish, not or very weakly Japan, North and South America, East and pruinose; soredia and isidia absent; upper South Africa, Australia. cortex: prosoplectenchymatous; medulla: Mongolia, Khingan mountain ranges: - 58 - Vol. 59 No 01 (229) 2019 Proceedings of the Mongolian Academy of Sciences Vol. 58 No 01 (225) 2018 DOI: https://doi.org/10.5564/pmas.v59i1.1138 PMASProceedings of the Mongolian Academy of Sciences https://www.mongoliajol.info/index.php/PMAS - 59 - Vol. 59 No 01 (229) 2019 Шинжлэх Ухааны Академийн Мэдээ 2017 оны №01 (221) DOI: https://doi.org/10.5564/pmas.v59i1.1138 PMASProceedings of the Mongolian Academy of Sciences https://www.mongoliajol.info/index.php/PMAS Dornod aimag, Khalha Gol soum, Protected A pantropical and subtropical species. area of Nömrög (N 47°45′49.9″; E 107°00′ Mongolia, Khentii: Töv aimag, protected 05.3″) 937 m above sea level. Collected by area of Bogd Uul Mountain (N47001′004″, authors on 27.08.2013. E119022′263″) 1816 m above sea level. Heterodermia japonica (M. Sato) Collected by author on 27.07.1995. Swinscow & Krog, lichenologist 8:122 (1976). Heterodermia subascendens (Asahina) Basionym: Heterodermia dendritica var. Trass, Folia Cryptog. Estonica 29: 20 (1992). japonica Sato, J. Jap.Bot. 12:427 (1936). Basionym: Anaptychia subascendens Synonyms: Anaptychia dendritica var. Asahina, J. Jap. Bot. 33: 325 (1958). T: japonica M. Satô, Japanese Journal of Kubota, Kaya-mati, Misima, Prov. Izu, Japan, Botany: 427 (1936); Anaptychia japonica (M. July 1929, Y. Asahina 208; holo: TNS. Satô) Kurok., Beiheftezur Nova Hedwigia Thallus: foliose, forming small rosettes or 6: 58 (1962) [MB#364143]; Polyblastidium irregularly spreading, adnate to loosely adnate, japonicum (M. Satô) Kalb, Phytotaxa 235: 3–5 cm wide. Lobes: 0.5–3.0 mm wide, 43 (2015) [MB#813844]; Heterodermia sublinear, but widening up to 5 mm at the tips, dendritica var. propagulifera (Vain.) Poelt, spathulate or paddle-shaped, weakly convex, Heterodermia propagulifera (Vain.) J.P.Dey in dichotomously or irregularly branched, Parker & Roane. suberect or ascending, ±with marginal rhizines Thallus: foliose, rarely orbicular, usually that are visible from above. irregularly spreading, loosely adnate, to 3-5 Upper surface: greyish white or greenish cm wide. Lobes: 0.5–2.0 mm wide, to c. 2–4 grey, epruinose, sorediate on the undersides of mm wide at the tips, plane to weakly convex or lobe apices. weakly concave, radiating; ±lobulate along the Medulla: white. Lower surface: ecorticate, lobe margins, lobules: ±rounded or sparingly arachnoid, ±reticulately veined in the centre, branched, 0.3–0.6
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