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Tremelloid, Aphyllophoroid and Pleurotoid Basidiomycetes of Veps Plateau (Northwest Russia)

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Tremelloid, Aphyllophoroid and Pleurotoid Basidiomycetes of Veps Plateau (Northwest Russia) Karstenia 43: 13-36, 2003 Tremelloid, aphyllophoroid and pleurotoid Basidiomycetes of Veps Plateau (Northwest Russia) IVAN V. ZMTIROVICH ZMITROVICH I. Y. 2003: Tremelloid, aphyllophoroid and pleurotoid Basidiomycetes of Veps Plateau (Northwest Russia). - Karstenia 43: 13-36. Helsinki. ISSN 0453- 3402. The work summarizes our present-day knowledge on the aphyllophoroid, tremelloid and pleurotoid Basidiomycetes of Veps Plateau (Northwest Russia, eastern Leningrad Region). Earlier data carried out by the author as well as Finnish polyporologists are presented. Some new unpublished data are adduced, too. In total, 355 species are ci ted for the Veps Plateau; 19 of them are new to the area. Three species- Gloiothele lactescens (Berk.) Hjortstam, Hyphodontia efibulata J. Erikss. & Hjortstam, Crepido­ tus versutus (Peck) Sacc. - are new to Russia. Some rare and interesting species are described or discussed. The check-l ist contains information on localities, substrates and ecological preferences of the species; some herbarium vouchers (LE) are cited. A new combination is proposed as Antrodiella Ienis (P. Karst.) Zmitrovich comb. no a (Physisporinus Ienis P. Karst.). Key words: aphyllophoroid fungi, Basidiomycetes, Northwest Russia, pleurotoid fungi, tremelloid fungi, Veps Forest Reserve, Yeps Plateau Ivan V. Zmitrovich, V.L. Komarov Botanical Institute RAS, Prof Popov str. 2, 197376, St. Petersburg, Russia Introduction The Veps Plateau (Fig. 1) represents the northern intrazonal floristic complexes, quite often with part of the Volgo-Baltic watershed in eastern Len­ nemoral nuances. The succession of vegetation ingrad and adjacent Vologda Regions, south of here proceeds very slowly, as a rule via herb-rich Lake Onega. It consists of carbonate rocks cov­ aspen forests to original spruce communities. ered by thick glacial till layer. It is a cool upland Very small fragments of herb-rich subnemoral region in Northwest Russia. Broken terrain, di­ spruce forests remain in southern part of the pla­ versity of soils and microclimatic conditions are teau. characteristic of Veps landscape. Around exposed carbonate rock outcrops Natural vegetation over the hills is much there are only fragments of subnemoral vegeta­ transformed by human activities. Numerous tion (but without Quercus robur) . An interesting small villages, farmsteads, and haymaking areas example is the Shcheleyki tract, where aspen for­ are found here. The vegetation is characterized est with Acer platanoides and Lonicera xylos­ by alder forests with Alnus inc ana dominant and teum (Acereto-Tremuletum variiherbosum) is Padus avium, Frangula alnus, and Salix caprea widespread. as undergrowth. As a result of anthropogenic The diluviallowlands are occupied by mesic influence, second-growth alder forests have boreal forests of Vaccinium myrtillus type. As a widely occupied these areas, blocking any result of anthropogenic activities, such forests spruce regeneration. They are characterized by also represent various successional stages - 14 ZMITROVICH: VEPS BASIDIOMYCETES KARSTENIA 43 (2003) LADO GA LA K £ Priladozltsky Studied localities: •!• Svyatozero (Zhuravlev & Poluektov 1998) • Orenzhen (Konstantinov et al. 1999) • Sarozero & Ulyozero (Aksenova et al. 2000) o Shcheleyki (Dovga et a!. 2001) 0 Kharagenichi (Niemela 2001 , Niemela et a!. 2001) 11 - Veps Forest Reserve (unpubi.) « - Dolgozero (unpubl.) Fig. 1. Floristic arrangement of the Leningrad Region (according to Tzvelev 2000) and localities studied. with dominance of either Picea spp. or Betula calamagrostidosa. As a result of permanent pubescens, in some cases Populus tremula, and microsuccessions, the stands are mosaic and of rarely Pinus sylvestris. diverse age. In certain aspen and spruce stands Spruce populations in the Veps plateau are there are some 240-280 years old trees. largely hybridogeneous. They represent an in­ Studies of heterobasidial, aphyllophoroid and trogression between Picea obovata and P abies. pleurotoid Basidiomycetes in this area started Such populations are cited as P abies (ssp. x rather recently. They were carried out in the vicin­ fennica) in the text below. ity of Krasnoborski and Sankov Bor villages and Old-growth virgin forests are here found as lake Svyatozero (Zhuravlev & Poluektov 1998), very small patches only. The most interesting the vicinity oflake Orenzhen (Konstantinov eta!. area in this respect, the Veps Forest Reserve 1999), in forests around lakes Sarozero and Uly­ (Vepssky les) in Tikhvin (administrative) district ozero (Aksenova eta!. 2000), and also in the north­ of Leningrad Region was established in 1970 (Fe­ ern part of the territory - in the vicinity of Gimreka dorchuk eta!. 1998). The Reserve is located on and Shcheleyki (Dovga eta!. 2001 ). The cited ex­ elevated part of watershed and occupies a vast peditions were carried out in August of 1998, 1999, peatland complex of wide swampy areas (Sphag­ 2000, 2001 respectively. In May- June 2000 the pla­ neta). There are spruce forests there, mainly Pi­ teau was visited by the Finnish mycologists 0 . ceeta myrtillosa and hylocomioso-myrtillosa, on Miettinen and 0. Manninen. They collected elevated parts substituted by Piceeto-Tremuleta around the Kharagenichi village and in the vicini- KARSTENIA 43 (2003) ZMITROYICH: YEPS BASIDIOMYCETES 15 ty of the lakes Gagara and Dolgozero (A.A. For most of the species a local distribution Shorokhov, pers. cornm.). The results of that expe­ pattern (according to the Tzvelev's territory ar­ dition were published recently (Niemela 2001, rangement), substrate preference and growing Niemela et al. 2001). In September 2001 and July season are mentioned; for each rare species her­ 2002 the present author collected in the Yeps For­ barium numbers (LE) are cited (except data given est Reserve and around Dolgozero lake respec­ in Niemela et al. 2001, where substrate was not tively. Fig. 1 shows the studied localities. mentioned). An annotated check-list of heterobasidioid, For rare species and taxonomically interesting aphyllophoroid and pleurotoid Basidiomycetes species, certain morphological and taxonomical of Yeps Plateau is presented in this work. Special notes are given. attention is paid to rare and taxonomically inter­ esting species. The generic concepts follow Hansen and Knudsen (1992, 1997), or with some exceptions, Tremelloid fungi Niemela et al. (2001) and the present author (Zmi­ Calocera cornea (Batsch : Fr.) Fr. trovich 2001, Zmitrovich & Spirin 2002). Svir.-Kol., Yep. ; widespread.- Fallen branch­ es, stumps and logs of deciduous trees. - Through the whole growing season. Materials and methods Calocera viscosa (Pers. :Fr.) Fr. The study area co ers Svir and veps floristic districts, Svir.-Kol., Yep. ; widespread.- Stumps, fallen according to Tzvelev 's territorial arrangement (Tzve­ branches, buried wood and debris of deciduous lev 2000). The S ir district ("Kareli a olonetsensis" ac­ trees and conifers, most often on Picea abies.­ cording to Kotiranta et al. 1998) lies north of the Voz­ nesenye-Humbaritsy line and includes only a small part August-October. of the area in question (vicinity of Shcheleyki). The Ceratobasidium cornigerum (Bourdot) D.P. Veps district lies to the east of Lodeynoye Pole-Boksi­ Rogers togorsk line and comprises the core of the study area. In Svir.-Kol., Yep.; widespread in coniferous for­ the check-list these areas are abbreviated as "Svir.-Kol." for Svir district (Karelia olonetsensis) and "Vep." for ests. - Fallen wood and debris, often in forest Veps district (see Fig. 1). litter. -Through the whole growing season. For species examination the following media were Dacryomyces chrysospermus Berk. & M. A. used: Melzer's reagent (IKI), Cotton Blue in lactic acid Curtis (CB), 5% potassium hydroxide solution (KOH), and dis­ Svir.-Kol., Yep .; widespread, although sparse. tilled water. The measurements of microscopic structures were -Fallen logs of conifers, preferably Picea abies. made in CB , except Skeletocutis and Antrodiella, where - September. distilled water was used. Usually, the analys is comprised Dacryomyces estonicus Raitv. 30 measurements per specimens. An arithmetical mean Svir.-Kol., Yep .; widespread, although sparse. of all structures is given in species descriptions. - Dry and fallen branches of deciduous trees, preferably Alnus incana. - August-September. The check-list with species Dacryomyces minor Peck discussions Svir.-Kol., Yep.; widespread, although sparse. -Drying and fallen branches of deciduous trees. The following list of tremelloid, aphyllophoroid - August-September. and pleurotoid Basidiomycetes is given in alpha­ Dacryomyces stillatus Nees : Fr. betic order in each of the mentioned groups. Svir.-Kol., Yep.; widespread. - Fallen logs, In total, 355 species have been indicated for branches, and timber of coniferous, rarely decid­ the area, and among them 21 are mentioned as uous trees. - June- October. new to Leningrad Region, i.e. , additions to the Dacryomyces tortus (Willd.: Fr.) Fr. list given by Bondartseva et al. (1999) and some S ir.-Kol., Yep.; widespread in dry pine for­ other works (Kovalenko & Morozova 1999, Kon­ ests. -Dead and fallen branches of Pinus sylves­ stantinov et al. 1999, Akseno a et al. 2000, Bond­ tris. - Through the whole growing season. artseva et al. 2000, Zmitro ich 2000, Niemela et al. Ditiola radicata (Alb. & Schwein. :Fr.) Fr. 2001, Zmitrovich & Spirin 2002b ). Such new spe­ Svir.-Kol.: Yolodarskaya (Dovga et al. 2001), cies are marked with an asterisk. fallen log of Pinus sylvestris. - Vep.
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