Gloiodon strigosus (Swartz: Fr.) P. Karst. (Bondarzewiaceae) in Poland ANNA BUJAKIEWICZ Department of Plant Ecology and Environment Protection, Adam Mickiewicz University Umultowska 89, PL-61-614 Poznań, ascom@amu.edu.pl B u j a k i e w i c z A.: Gloiodon strigosus (Swartz: Fr.) P. Karst. (Bondarzewiaceae) in Poland. Acta Mycol. 4� �1�:69-��, ����.4� �1�:69-��, ����. Gloiodon strigosus �Swartz: Fr.� P. Karst. recognized as an extinct species in Poland, has been recently found in the Białowieża National Park. Iconography and synonyms are given and the distribution and ecology is discussed. Key words: Gloiodon strigosus, Bondarzewiaceae, Russulales, extinct species INTRODUCTION Gloiodon strigosus �Swartz: Fr.� P. Karst., a representative of Bondarzewiaceae family �K i r k et al. ���1�, recognized as an extinct species in the Red List of Macrofungi in Poland �Wo j e w o d a , Ł a w r y n o w i c z ���6� has been recently found in the Area of Strict Protection of the Białowieża National Park. Fructifications were collected by the author in September ���4 during the mycological excursion devoted to the observation of fruit bodies of a rare and interesting fungus, Rhodotus palma- tus which occurs in that area regularly in early autumn, since ���1 �B u j a k i e w i c z ����b, ����; B u j a k i e w i c z , N i t a ���4�. The locality site is characteristic of dense thickets covering piles of fallen logs of elm (Ulmus scabra� which fell a victim of the Dutch elm disease. The logs are not re- moved and nourish many rare representatives of plants, animals �insects� and fungi �B u j a k i e w i c z ����a, b, �����. NOMENClATURE, ICONOgRAPhy AND DRAWINgs Hydnum strigosum Swartz, Kongl. Vetensk. Acad. Nva Handl. �1���: �5�, 181�: Fr., Syst. Mycol. 1: 414, 18�1; Gloiodon strigosus �Swartz: Fr.� P. Karst., Medd. Soc. F. Fl. Fenn. 5: 4�. 18�9; Sclerodon strigosus �Swartz: Fr.� Karst., Finl. Basids. �61. 1889. N i k o l a j e v a �1961� ��5-���, Fig. 15�-155, J a h n �19�9� �5, Fig. 4�; J a h n and S t u r m �198��, Fig. 1-1�; R y m a n and H o l m å s e n �1984�: 1�8; K o s k i -K o t i r a n - t a and N i e m e l ä 1988 �198��: 61-64, Fig. 1�-15. ACTA MyCOlOgICA Vol. 4� �1�: 69-�� ���� Dedicated to Professor Alina Skirgiełło on the occasion of her ninety-fifth birthday �� A. Bujakiewicz DeScRIPTIoN oF coLLecTeD MATeRIAL Fructifications of Gloiodon strigosus were collected on September 18, ���4 in forest section �98 of the Area of Strict Protection of the Białowieża National Park �Fig. 1� along the “didactic trial”, on underneath of the log of Ulmus scabra, on Fig. 1. The Białowieża Forest �acc. to Fa l i ń s k i 1986, modified� – distribution of Gloiodon strigosus in the Białowieża Forest. 1-locality in the Area of Strict Protection of the Białowieża National Park ����4�. Gloiodon strigosus �1 decorticated wood in association with Auricularia mesenterica. The fruit body was emerging from remnants of an older one and was mostly fan shaped �Fig. ��. The forest is classified as the phytocoenosis of the Fraxino-Alnetum association with the elements of the Tilio-Carpinetum association. With regards to morphology and sporulation elements of the fruit bodies speci- mens collected correspond entirely with J a h n ’ s �19�9� photo �Fig. �� and J a h n and S t u r m ’ s �198�� description. Minutely verrucose spores of Gloiodon strigosus seen under the electron microscope are presented on figure �. There are three species up to now recognized in the genus Gloiodon: G. occidentale Ginns growing on gymnosperms in North America and having glabrous spores, G. nigrescens �Petch� Maas occurring in Sri Lanka, having pileal surface with scat- tered hairs or even glabrous and G. strigosus distinguished by the occurrence on angiosperm wood, having pileal surface densly haired and smaller verrucose spores. �G i n n s 1988�. Gloiodon strigosus resembles Auriscalpium vulgare in many characters, both macro- -and microscopical and formerly belonged to the Auriscalpiaceae family (M a a s G e e s t e r a n u s 196��. Now it belongs to Bondarzewiaceae family and represents the order Russulales �K i r k et al. ���1; Wo j e w o d a �����. In the literature Gloiodon strigosus is recorded on angiosperms, mostly on Populus, Alnus, Salix and Prunus, seldom is found on Ulmus and Betula (K o s k i -K o t i r a n t a , N i e m e l ä 1988�. N i k o l a j e v a �1961� noted some Siberian fructifications collected in Sajan Mts on fir �Abies� which may belonged to G. occidentale. Gloiodon strigosus is saprotrophic, causes white rot �J a h n 19�9� and prefers hu- mid microclimate. It is a rare and endangered species with vulnerable ecology, con- nected with old, well preserved forests. It’s distribution covers the Northern Hemi- sphere mainly throughout the Boreal zone, both in the interior of the continents and in oceanic areas. The first find of Gloiodon strigosus in Central Europe was an- nounced by J a h n and S t u r m �198�� in the Bavarial Alps in an oroboreal montane zone �K o s k i -K o t i r a n t a , N i e m e l ä 1988�. DIsTRIBUTION In Poland: Ladzka Forest in the complex of the Białowieża Primeval Forest, on logs of deciduous trees �B ł o ń s k i 1889�; Area of Strict Protection of the Białowieża National Park, forest section �98. In the world: Scandinavia: Finland, Norway, Sweden �R y v a r d e n 19�1; S t r i d 19�5; I n g e l ö g et al. 1984�, estonia �J ä r v a , P a r m a s t o 198��, czech Republic, France, Hungary �J ü l i c h 1984�, Ukraina �Z e r o v a et al. 18���, Siberia �N i k o l a - j e v a 1961�, Russia Far east �L y u b a r s k i j , Va s i l i e v a 19�5�, India �J a h n , S t u r m 198�� and North America in both canada �P o m e r l e a u 198�� and the USA �B a n k e r 191�; H a r r i s o n 19��� �K o s k i -K o t i r a n t a , N i e m e l ä 1988�. Aknowledgements. I express my thanks and appreciation to Mr Marek Snowarski �Wrocław� for photo taken to fresh fructifications of Gloiodon strigosus and to the Laboratory of electron and confocal Micro- scopy of the Adam Mickiewicz University in Poznań for examing fungus and professional service. �� A. Bujakiewicz ReFeReNceS B a n k e r H. 191�. Type studies in the Hydnaceae 6. The genera Creolophus, Echinodontium, Gloiodon and Hydnodon. 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Karst. �Bondarzewiaceae) w Polsce s t r e s z c z e n i e Przedstawiono opis stanowiska, synonimikę i ikonografię Gloiodon strigosus, gatunku uważanego za wymarły w Polsce. Podano też uwagi dotyczące ekologii i chorologii gatunku. Gloiodon strigosus jest gatunkiem wskaźnikowym dobrze zachowanych borealnych lasów łę- gowych. Fig. 2. Fructifications of Gloiodon strigosus: a) hymenophore with spines; b) upper surface covered with soft hairs. Phot. M. Snowarski. a b Fig. 3. Minutely verrucose spores of Gloiodon strigosus (SEM x 6,78 KX) (Courtesy of Lab. Electron & Confocal Microscopy, Adam Mickiewicz University, Poznań). 2014-01-01T11:45:14+0100 Polish Botanical Society