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Craterium yichunensis (holotype): a. Gregarious sporocarps. b. Lid with yellow rim (indicated by arrow) and cup. c. Lid with calcareous granules. d. Lid with calcareous granules under scanning electron microscopy. e-f. Yellow membrane left after lid falling off (indicated by arrows). g. Inside of lid under SEM. h. Part of yellow membrane with calcareous granules. i. Capillitium of irregular lime nodes. j. Capillitium of irregular lime nodes under SEM. k. Lime nodes full of globular calcareous granules under SEM. l. Spores with warts under SEM. Bars: a-b = 0.5 mm, c-j = 100 μm, k = 20 μm, l = 5 μm.
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Craterium yichunensis sp. nov., and C. dictyosporum are described and illustrated. They were found in Heilongjiang Province, China, and C. dictyosporum is a new record for China. Craterium yichunensis differs from other species of Craterium in having sessile sporocarps with a thick lid, the middle part of which is more than 100 μm thick, with a yel...
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... The morphologically closest species is Diachea dictyospora (Rostaf.) J.M. García-Martín, J.C. Zamora & Lado, which is distinguished by its small, obpyriform stalked sporangia (0.5-0.7 mm in diameter and up to 1 mm in height), the presense of lime in the stalk and peridium structures, a cylindrical and elongated columella (Zhao et al., 2018). Spores in C. dictyospora with a small meshed (broken) reticulation, warts low, many comfluents in rows, not forming a border (Nannenga-Bremekamp, 2022). ...
The study is devoted to the description of rare myxomycete species: Craterium muscorum, Dianema harveyi, Didymium bahiense, D. flexuosum, Lamproderma gulielmae, Valtocarpus trechisporus, found in the Polistovo-Lovatskaya bog system. The morphology of the fruiting bodies is described using light and electron scanning microscopy, and illustrated with microphotographs of spores and capillicium. Comparisons with morphologically similar species are also provided.
... Currently, An Online Nomenclatural Information System of Eumycezotozoa (Lado 2023) accepts 62 species described from China. These are: Arcyria aeruginosa , A. aggregata , A. exigua , A. galericulata , A. gongyloida , Badhamia formosana , B. macrospora (Li 1989), Badhamiopsis nucleata (Li 1989), Calonema gansuense (Zhang and Li 2015), Comatricha clavicolumella (Zhang and Li 2016b), C. macrospora , C. nutans (Chen 1999), Craterium corniculatum (Zhang and Li 2013a), Cr. microcarpum , Cr. subpurpurea (Zhang et al. 2020), Cr. yichunense (Zhao et al. 2018), Cribraria angulospora , Cri. enodis , Cri. irregularis (Li 2002b), Cri. media , Cri. paucidictyon (Li 2002b), Diacheopsis gigantospora (Yan et al. 2014), D. griseobrunnea (Yan et al. 2014), Dianema macrosporum (Zhang and Li 2013b), Di. microsporangium , Dictydiaethalium dictyosporangium (Zhang and Li 2014), Diderma liaoningensis (Zhao et al. 2022), Did. ...
Species in the class Myxomycetes (or Myxogastrea) are essential components of biodiversity and play important ecological roles in terrestrial ecosystems, especially in forests. Studies on the taxonomy and diversity of these organisms started late in China. However, significant progress in China has been made in modern taxonomic studies on myxomycetes based on long-term species surveying and specimen collecting. The existing achievements have shown that comprehensive and continuous studies on the taxonomy and diversity of myxomycetes in China have the potential to enhance global biodiversity and improve the geographic distribution pattern of myxomycetes. Therefore, building on the current research foundation and expanding myxomycete research in a wider and more in-depth approach is imperative.
... Comments:-Craterium was established by Trentepohl in 1797, and 19 species have been reported and accepted in the world (Lado 2005(Lado -2022. Prior to now, twelve species have been reported in China (Li & Li 1989, Li et al. 2008b, Zhang & Li 2013, Zhao et al. 2018, Zhang et al. 2020, which are C. aureum (Schumach.) Rostaf., Ing (1982) clarified the nomenclatural status of this species, and named it C. muscorum. ...
... Our specimens were collected from mossy bark in autumn, supporting the affinity of this species for bryophytes and colder wet environments (Lado et al. 2018). Of the known species of Craterium, C. muscorum is similar only to C. dictyosporum in having irregularly dehiscing sporocarps, rarely circumscissile, and subreticulate or reticulate spores (Neubert et al. 1995, Zhao et al. 2018. However, the reticulation of the spores is almost complete, and with a prominent edge in C. muscorum, sets them apart. ...
Four species of myxomycetes are reported from China for the first time. Cornuvia serpula and Perichaena microspora were discovered from Houhe Nature Reserve in Hubei Province. Craterium muscorum and Diderma fragile were discovered from Yaoluoping Nature Reserve in Anhui Province. Their morphological features are described and illustrated by light microscope and scanning electron microscope. These specimens are deposited in Herbarium of Fungi of Nanjing Normal University (HFNNU).
