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Микология и фитопатология, 2023, T. 57, № 6, стр. 447-450

SIX SPECIES OF AGARICOMYCETES, NEW TO THE PAMIR-ALAY MOUNTAINS (UZBEKISTAN PART)

Z. Sh. Islomiddinov a, *, I. M. Mustafaev a, **, S. V. Volobuev b, ***, A. Umar c, ****, B. S. Khabibullaev a, *****, Y. W. Lim d, ******

a Institute of Botany, Academy of Sciences of the Republic of Uzbekistan
100125 Tashkent, Uzbekistan

b Komarov Botanical Institute of the Russian Academy of Sciences
197022 St. Petersburg, Russia

c Department of Botany, University of the Punjab, Quaid-e-Azam Campus
54590 Lahore, Pakistan

d School of Biological Sciences and Institute of Microbiology, Seoul National University
08826 Seoul, South Korea

* E-mail: zoirjon0991@bk.ru
** E-mail: elyor-mustafaev@inbox.ru
*** E-mail: sergvolobuev@binran.ru
**** E-mail: ash.dr88@gmail.com
***** E-mail: bekh.xabibullaev@mail.ru
****** E-mail: ywlim@snu.ac.kr

Поступила в редакцию 17.05.2023
После доработки 28.07.2023
Принята к публикации 1.08.2023

Полный текст (PDF)

Аннотация

New data on basidiomycete species (Crucibulum laeve, Ganoderma resinaceum, Leccinum duriusculum, Lentinus brumalis, Neolentinus cyathiformis, and Volvariella bombycina) recorded for the first time for the Pamir-Alay ranges in Uzbekistan is presented. All collections were made within protected areas of the Zaamin National Nature Park, the Nuratau Nature Reserve, and the Kitab State Geological Reserve. Detailed information on studied specimens deposited in Tashkent Mycological Herbarium of the Institute of Botany of Academy of Sciences of Uzbekistan (TASM), including geographical coordinates, descriptions of localities, substrates and habitats, date of collection, as well as the herbarium numbers, is provided. The history of macrofungi studies in Pamir-Alay is briefly described.

Keywords: Basidiomycota, macrofungi, new records, Northern Turkestan Range, Nuratau Range, Pamir-Alay

The Pamir-Alay is a mountain system in the southeast of Central Asia (Fig. 1), located on the territory of Tajikistan (in the northwest), Kyrgyzstan (in the west), and Uzbekistan (in the east) (Opała-Owczarek, Niedźwiedź, 2019). The Bobotog, North Turkestan, Molguzar, Nuratau, Hissar, and Zarafshan ranges of the Pamir-Alay Mountains are located in Uzbekistan. These ranges are known for its unique fauna and flora (Mustafaev, Islomiddinov, 2022; Shomurodov, Khabibullaev, 2022). These valuable areas have various plant communities, exhibiting excellent habitat for different macrofungi.

Fig. 1.

The location of macrofungal collection sites in the Hissar, the Northern Turkestan and the Nuratau ranges of Uzbekistan. The map was compiled using ArcGIS (v. 10.8.1) software.

Fig. 2.

Basidiomata of studied species in situ: a – Crucibulum laeve; b – Ganoderma resinaceum; c – Leccinum duriusculum; d – Neolentinus cyathiformis; e – Lentinus brumalis; f – Volvariella bombycina (photos Z.Sh. Islomiddinov).

Studies on macrofungi in the Pamir-Alay started in the 20th century with collections made by the Russian scientists. The first detailed survey of fungi was carried out by Zaprometov (1928). Further studies were conducted by Rotkevich (1956) in the Guralash Reserve. Unfortunately, in these works no specimens are mentioned at all or there is no precise information about them. In addition, these studies were focused on phytopathogenic microfungi. Special studies on basidial macrofungi in the region were carried out by Petrova (1985, 1989). As a result, the researcher recorded 221 macromycete species in the Zaamin Nature Reserve. Several papers were published in the last ten years on the macrofungi from the Uzbek part of the Pamir-Alay Mountains (Mustafaev, 2017; Gafforov et al., 2017; Gafforov et al., 2020; Wang et al., 2022). Apart from these publications, no efforts have been made to produce an extensive local database on macrofungi.

Based on preliminary results of mycological surveys conducted in this area from 2019 to the present time, it has been confirmed that there is a high level of macrofungal diversity in the Pamir-Alay Mountains (Fig. 1). The aim of this paper is to describe six Agaricomycetes species which are new to the Hissar, the Northern Turkestan and the Nuratau ranges.

The material was collected during field investigations in Yettikechu, Usmonlisoy, O’riklisoy areas of the Zaamin National Nature Park, Majrumsoy and Khayotsoy areas of the Nuratau State Reserve and the Kitab State Geological Reserve. Photographs of basidiomata were taken with a Nikon D-7500 digital camera to fix macroscopic characters in situ. For microscopic studies, we used an N-300M Optical Microscope (China) and 5% KOH as a mounting medium to revive fragments of dried specimens. Fungal taxa names are accepted according to the Index Fungorum (2023) database. Specimens are deposited in Tashkent Mycological Herbarium of the Institute of Botany of Academy of Sciences of Uzbekistan (TASM).

As a result of the investigation six basidiomycete species, viz. Crucibulum laeve, Ganoderma resinaceum, Leccinum duriusculum, Lentinus brumalis, Neolentinus cyathiformis, and Volvariella bombycina, have been revealed from the Pamir-Alay Mountains within Uzbekistan. An annotated list of species is presented below with detailed information on substrates and habitats, geographical coordinates, descriptions of localities, date of collection, as well as herbarium numbers of specimens.

Crucibulum laeve (Huds.) Kambly – on branches of dried fallen Juniperus sp. tree in juniper forest with mosses, around the waterfall (39.632887 N, 68.488241 E) in the Zaamin National Nature Park (TASM IZSH-120). Note: C. laeve is the most well-known temperate-zone species with a circumpolar distribution. It has been collected in most European countries, the Canary Islands, North America, South America, Australia, Japan, and New Zealand (Cruz et al., 2016). The species was mentioned in research conducted in Central Asia (Cho et al., 2019). However, C. laeve was not reported in Uzbekistan until our research. Moreover, Crucibulum is a new genus to Uzbekistan.

Ganoderma resinaceum Boud. – on decaying stump of Salix alba in Majrumsoy area (40.582034 N, 66.724072 E) of the Nuratau Nature Reserve (TASM IM-190m). Note: G. resinaceum is characterized by variable pileus coloration, fibrous spongy homogeneous context, and amyloid pileipellis (Ryvarden, 2004). We note G. resinaceum as a new record for the Nuratau Nature Reserve, Nuratau range.

Leccinum duriusculum (Schulzer ex Kalchbr.) Singer – on soil near poplars in the village of Korongusoy (39.771470 N, 68.401093 E) of the Zaamin National Nature Park; Tikchasoy (40.527072 N, 66.804108 E) and Khayotsoy (40.525032 N, 66.764421 E) areas of the Nuratau Nature Reserve (TASM IZSH-24, TASM IMM-45m). Note: The species is reported as a new to all Pamir-Alay ranges in Uzbekistan. L. duriusculum is characterized by large and robust basidiomata with greyish stem squamules and flesh turning grey to violaceous, often with blue-green in the stipe base (Kibby, 2006).

Lentinus brumalis (Pers.) Zmitr. – on decayed parts of Artemisia spp. in Korongusoy village (39.774504 N, 68.399589 E) of the Zaamin National Nature Park; in Tikchasoy (40.527072 N, 66.804108 E), Khayotsoy (40.525032 N, 66.764421 E) area of the Nuratau Nature Reserve (TASM IZSH-34, TASM IMM-99m). Note: The species is reported as a new to all Pamir-Alay ranges in Uzbekistan. More than 60 Lentinus species have been reported globally, but only two species of the genus were reported for Uzbekistan. Basidiomata of L. brumalis found in the Zaamin National Nature Park and the Nuratau Nature Reserve is characterized by cap with yellow-brown to dark brown surface, finely hairy, with depressed center and tucked fringed edge. In contrary to the vast majority of known findings of the species on dead wood (Ryvarden, Melo, 2017), our specimen was collected from an herbaceous plant.

Neolentinus cyathiformis (Schaeff.) Della Magg. et Trassin. – on fallen trunks of Populus alba in Usmonlisoy village (39.707113 N, 68.446782 E) of the Zaamin National Nature Park, Tikchasoy (40.515350 N, 66.780304 E), Khayotsoy, Majrumsoy area of the Nuratau Nature Reserve and the Kitab State Geological Reserve (TASM IZSH-55, TASM IMM-64m). Note: The species is reported as a new to all Pamir-Alay ranges in Uzbekistan. Although 14 species are accepted as Neolentinus worldwide (Wijayawardene et al., 2022), only one species has been registered in Uzbekistan. Previously N. cyathiformis was recorded from the western part of the Tian Shan Mountains in Uzbekistan from the trunk of Populus sp. (Akhmedova, 1966). Our findings from Populus alba extend the distribution area of the species in Uzbekistan.

Volvariella bombycina (Schaeff.) Singer – on stump of Populus sp. in Qorongusoy village (39.772066 N, 68.402054 E) of the Zaamin National Nature Park and on Juglans regia stump in Tikchasoy area (40.506954 N, 66.781315 E) of the Nuratau Nature Reserve (TASM IZSH-155, TASM IMM-87m). Note: Among ca. 50 species accepted in the genus Volvariella worldwide (Wijayawardene et al., 2022), only three species are listed in the TASM herbarium for Uzbekistan. All morphological characters of our specimens studied, both macro- and microstructures, fit the description provided for V. bombycina by Menolli and Capelari (2008) and Szczepkowski with co-authors (Szczepkowski et al., 2013). Until this study, V. bombycina was reported by Akhmedova (1966) from the western part of the Tian Shan Mountains in Uzbekistan. New records of the species in the Uzbek part of the Pamir-Alay Mountains confirm wider distribution area of V. bombycina.

In conclusion, six Agaricomycetes species were recorded for the first time in the Uzbek part of the Pamir-Alay using the morphological identification. The knowledge on fungal diversity of this mountain system is essential to reinforce the nature protection programs, especially through the establishment of conservation areas, which are almost absent on the territory. Moreover, these records improve the knowledge on the diversity and distribution of fungal species in Uzbekistan.

The study was supported by the Ministry of Innovative Development of the Republic of Uzbekistan, project No AL-572103212.

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