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A New Species, Sagediopsis Vasilyevae, and Other Lichenicolous Fungi from Zabaikal’Skii Territory of Russia, Southern Siberia

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A New Species, Sagediopsis Vasilyevae, and Other Lichenicolous Fungi from Zabaikal’Skii Territory of Russia, Southern Siberia Folia Cryptog. Estonica, Fasc. 51: 121–130 (2014) http://dx.doi.org/10.12697/fce.2014.51.14 A new species, Sagediopsis vasilyevae, and other lichenicolous fungi from Zabaikal’skii Territory of Russia, southern Siberia Mikhail P. Zhurbenko1 & Lidiya S. Yakovchenko2 1Laboratory of the Systematics and Geography of Fungi, Komarov Botanical Institute, Russian Academy of Sciences, Professora Popova str., 2, St. Petersburg, 197376, Russia. E-mail: [email protected] 2 Laboratory of Lower Plants, Institute of Biology and Soil Science, Far Eastern Branch of Russian Academy of Sciences, Stoletija Vladivostoka Avenue, 159, Vladivostok, 690022, Russia; Laboratory of Cryptogamic Biota, Botanical Garden- Institute Far Eastern Branch of Russian Academy of Sciences, Makovskogo str., 142, Vladivostok, 690024, Russia. E-mail: [email protected] Abstract: Thirty seven species of lichenicolous fungi are reported from southern Siberia. Sagediopsis vasilyevae (on Rhizocarpon inarense) is described as new to science. Rosellinula haplospora is new to Russia. Abrothallus peyritschii, Arthonia apotheciorum and Lichenostigma cosmopolites are new to Siberia. Cetraria is a new host genus for Stigmidium microcarpum. Ameroconium cladoniae and Plectocarpon hypogymniae are newly documented on Cladonia alaskana and Hypogymnia tubulosa correspondingly. INTRODUCTION Lichenicolous fungi of Siberia are comparatively ferential interference contrast (DIC) optics. well studied only in its arctic part (Zhurbenko, Microscopical examination was done in water, 2007, 2009a,b). Information on their diversity in 10% KOH (K), Lugol’s iodine directly (I) or after southern Siberia is still very scant (Zhurbenko a KOH pre-treatment (K/I) or Brilliant Cresyl & Davydov, 2000; Zhurbenko & Otnyukova, blue. The length, breadth and length/breadth 2001; Zhurbenko, 2012b). Herewith we try to ratio (l/b) of asci, ascospores and conidia (when slightly fill this gap and report from its territory n > 10) are given as: (min–){X-SD}–{X+SD}(–max), 37 species, one of which is new to Russia and where min and max are the extreme values, X three new to Siberia. One species is described the arithmetic mean, and SD the corresponding as new to science; pertinent notes on taxonomy, standard deviation. Measurements were taken biogeography and ecology of the treated fungi from water mounts, unless otherwise indicated. are provided. The nomenclature of the host lichens follows Esslinger (2012). Examined specimens are de- The study is based on material from Sokhon- posited in the mycological herbarium of the V. L. dinskii Reserve (43 specimens) and Alkhanai Komarov Botanical Institute in Saint Petersburg, National Park in Aginskii Buryatskii District (5 Russia (LE-Fungi). specimens) obtained during the lichenological investigations by the second author (Yakovchen- ko, 2009; Yakovchenko & Galanina, 2009). THE SPECIES Both territories are characterized by a sharply All collections are from Zabaikal’skii Territory of continental climate, mountainous terrain with Russia; all species except Stigmidium microcar- the highest peaks Sokhondo Mt. (2505 m) and pum are new to this territory. Alkhanai Mt. (1662 m) respectively and altitudi- nal vegetation belts ranging from forest-steppe ABROTHALLUS BERTIANUS De Not. – Sokhondinskii to mountain tundra. Reserve, Agutsa River at 1 km N of Buninda Cabin, 49°42'58.5''N, 111°22'49.6''E, alt. 1182 MATERIAL AND METHODS m, Betula-Larix forest, on Melanohalea olivacea The material was identified by the first author (lobes, apothecia; often on galls induced by using Zeiss microscopes Stemi 2000-CS and Nesolechia oxyspora), 22.07.2008, L. S. Ya- Axio Imager A1 equipped with Nomarski dif- kovchenko, LE 260994a. 122 Folia Cryptog. Estonica Note – Formerly known in Siberia only from Polar (phyllocladia), 10.08.2001, I. A. Galanina, LE Ural (Zhurbenko, 2008). 260965a. Note – Frequently recorded in Russia, particu- ABROTHALLUS CAERULESCENS I. Kotte – Sokhon- larly in the Arctic (Zhurbenko, 2010). dinskii Reserve, 1 km N of Buninda Cabin, 49°42'58.5''N, 111°22'49.6''E, alt. 1180 m, BACHMANNIOMYCES UNCIALICOLA (Zopf) D. Hawk- Betula-Larix forest, on Xanthoparmelia steno- sw. – Sokhondinskii Reserve, near Bukukun phylla (thallus), 22.07.2008, L. S. Yakovchenko, Lake, 49°41.310'N, 110°58.288'E, alt. 1680 m, LE 260924. Pinus sibirica-Larix gmelinii forest, on Cladonia Note – Formerly known in Siberia from Polar amaurocraea (podetia), 29.06.2007, L. S. Ya- Ural (Zhurbenko, 2008), vicinities of Kras- kovchenko, LE 260944. noyarsk (Zhurbenko, 2012b) and Tuva Republic Note – Formerly known in Siberia from Tuva (Zhurbenko & Otnyukova, 2001). Republic (Zhurbenko & Otnyukova, 2001) and Taimyr Peninsula (Zhurbenko, 1998). ABROTHALLUS PEYRITSCHII (Stein) I. Kotte – Sok- hondinskii Reserve, Sopkoyan Mt., 2 km NW CAPRONIA PELTIGERAE (Fuckel) D. Hawksw. – Sok- of Verkhnyaya Enda Cabin, 49°35.987'N, hondinskii Reserve, Agutsa River at 1 km N of 110°46.578'E, alt. 1902 m, Pinus pumila shrubs, Buninda Cabin, 49°42'58.5''N, 111°22'49.6''E, on Vulpicida pinastri (thallus), 6.07.2007, L. S. alt. 1182 m, Betula-Larix forest, on Peltigera Yakovchenko, LE 261194a. leucophlebia (cephalodia, lobes), 22.07.2008, L. Notes – Formerly known in Russia from Sever- S. Yakovchenko, LE 261114. naya Osetiya Republic, Leningrad Region, Note – Formerly known in Siberia from Taimyr Khabarovsk Territory and Kamchatka Territory Peninsula and Yakutiya (Zhurbenko 2009b). (Vainio, 1899; Kuznetsova et al., 2007; Zhur- benko, 2007; Zhurbenko et al., 2012). New to CERCIDOSPORA STEREOCAULORUM (Arnold) Hafell- Siberia. ner – Sokhondinskii Reserve, top of Tcagan-Ula Mt., 49°38.389'N, 111°03.493'E, alt. 1938 m, AMEROCONIUM CLADONIAE U. Braun & Zhurb. on Stereocaulon apocalypticum (phyllocladia), – Sokhondinskii Reserve, Balbashnyi Mt., 24.07.2005, L. S. Yakovchenko, LE 260935. 49°48'57.7''N, 110°51'54.8''E, alt. 1864 m, mountain lichen tundra with Pinus pumila, on Note – Frequently recorded in Russia, particu- Cladonia alaskana (podetia), 3.07.2007, L. S. larly in the Arctic (Zhurbenko, 2010). Yakovchenko, LE 261164. CLYPEOCOCCUM CETRARIAE Hafellner – Sokhondin- Note – This recently described species was skii Reserve, Sopkoyan Mt., 2 km NW of Verkh- known from Cladonia arbuscula and C. ran- nyaya Enda Cabin, 49°35.987'N, 110°46.578'E, giferina (Zhurbenko & Braun, 2013). Cladonia alt. 1902 m, Pinus pumila shrubs, on Vulpicida alaskana is a new host species. pinastri (thallus), 6.07.2007, L. S. Yakovchenko, LE 261194b. ARTHONIA APOTHECIORUM (A. Massal.) Almq. – Sok- hondinskii Reserve, Agutsa River at 1 km N of Notes – Formerly known in Siberia from Even- Buninda Cabin, 49°42'58.5''N, 111°22'49.6''E, kiya (Zhurbenko & Zhdanov, 2013) and arctic alt. 1182 m, Betula-Larix gmelinii forest, on Yakutiya (Zhurbenko, 2002). Most reports of Lecanora symmicta (apothecia) growing on Larix, this species are from Cetraria islandica, but it 22.07.2008, L. S. Yakovchenko, LE 260983b. has been reported from Vulpicida pinastri as well (Zhurbenko & Zhdanov, 2013). Note – New to Siberia. ENDOCOCCUS NANELLUS Ohlert – Sokhondinskii ARTHONIA STEREOCAULINA (Ohlert) R. Sant. – Reserve, near Verkhnii Bukukun Cabin at Bu- Sokhondinskii Reserve, near Verkhnii Buku- kukun River, 49°37'34.4''N, 111°02'11.9''E, alt. kun Cabin at Bukukun River, 49°37.467'N, 1775 m, Pinus sibirica-Larix gmelinii forest, on 111°02.147'E, alt. 1755 m, Pinus sibirica-Larix Stereocaulon tomentosum (phyllocladia, stems), gmelinii forest, on Stereocaulon tomentosum 20.07.2005, L. S. Yakovchenko, LE 260955. 123 Note – Frequently recorded in Russia, particu- mossy stones, 30.08.2009, L. S. Yakovchenko, larly in the boreal regions (Zhurbenko, 2010). LE 260943; 1.09.2009, L. S. Yakovchenko, LE 260923. ENDOCOCCUS RUGULOSUS Nyl. – Sokhondinskii Notes – This recently described species was so Reserve, Sopkoyan Mt., 2 km NW of Verkhnyaya far known only from Kamchatka Peninsula grow- Enda Cabin, 49°35.987'N, 110°46.578'E, alt. ing on Nephroma parile (Zhurbenko et al., 2012). 1900 m, stone field amongPinus pumila shrubs, In its type material pycnidia were immersed in on Aspicilia sp. (thallus), 6.07.2007, L. S. Ya- a clypeus and dispersed over the upper sur- kovchenko, LE 260964. face of the host lobes. Conidia were more or Note – Frequently recorded in Russia (Zhur- less cuneiform, rounded at the apex and usu- benko, 2007, 2009a,b). ally truncate at the base, (4.5–)6.5–8.5(–14.0) × (4.0–)4.5–5.5(–6.5) µm, l/b = (1.0–)1.2–1.8(–3.1), EPICLADONIA SANDSTEDEI (Zopf) D. Hawksw. – hyaline and with smooth walls. In the newly Sokhondinskii Reserve: near Verkhnii Buku- examined specimens pycnidia are mostly sessile kun Cabin at Bukukun River, 49°38'01.8''N, on the host lobe margins, not associated with 111°02'23.7''E, alt.1885 m, alpine stone field, a clypeus and look like belonging to the lichen, on Cladonia furcata (podetia), 15.07.2001, I. only rarely semi-immersed in the central parts A. Galanina, LE 261134; near Bukukun Lake, of the host lobes (Fig. 1). Conidia are of similar 49°42'14.7''N, 110°59'52.4''E, alt. 1800 m, Pinus shape and size, (5.8–)7.3–9.9(–12.6) × (4.2–)4.7– sibirica-Larix gmelinii forest, on Cladonia gracilis 5.7(–6.3) µm, (l/b = (1.1–)1.3–2.1(–2.8) (n = 72), but becoming pale brown (K+ olive) and ver- (podetia), 29.06.2007, L. S. Yakovchenko, LE ruculose. It is noteworthy, that proper conidia 260914. of Nephroma species are bacilliform (James & Note – Formerly known in Siberia only from White, 2009). Examined material strongly recalls Taimyr Peninsula (Zhurbenko, 1998). a Vouauxiomyces anamorph of the lichenicolous genus Abrothallus de Not. and possibly presents EPINEPHROMA KAMCHATICA Zhurb. & Stepan- an asexual stage of Abrothallus welwitschii Tul. chikova – Sokhondinskii Reserve: Kumyl- reported on Nephroma (Santesson et al., 2004; Aliya River, near Agutsa Cabin, 49°41'12.6''N, Zhurbenko et al., 2012), which conidiomata 111°26'00.4''E, alt. 1180 m, Betula-Larix forest, are so far not known with certainty (Diederich, on Nephroma helveticum (lobes) growing on 2004a).
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