Xanthoriicola physciae
Xanthoriicola physciae (Kalchbr.) D. Hawksw., in Hawksworth & Punithalingam, Trans. Br. mycol. Soc. 61(1): 67 (1973).
≡ Gymnosporium physciae Kalchbr., Mathem. Természettud. Közlem. 3: 299 (1865).
Index Fungorum number: IF 325579; Facesoffungi number: FoF 11407, Fig. 1
Description: see Hawksworth and Punithalingam (1973).
Material considered: see Hawksworth and Punithalingam (1973).
Fig. 1 Xanthoriicola physciae (a re-drawn from Plate 67D in Seifert et al.
2011, b–d re-drawn from Fig. 7 in C–D in Hawksworth & Punithalingam 1973). a Section of apothecia. b Conidiophores. c Conidia. d Conidiogenous cells. Scale bars: b = 10 μm, c, d = 5 μm.
Importance and distribution
Xanthoriicola comprises only one obligately lichenicolous species known in the ascocarps of Xanthoria parietina (Teloschistaceae). It can be either a saprobe that colonize dead lichen thalli, or a parasite that achieves fixed carbon from living lichen host (Hawksworth 1982, 1988).
References
Hawksworth DL, Diederich P. 1988 – A synopsis of the genus Polycoccum (Dothideales), with a key to accepted species. Transactions of the British Mycological Society 90, 293–312.
Hawksworth DL, Punithalingam E. 1973 – New and interesting microfungi from Slapton, South Devonshire: Deuteromycotina. Transactions of the British Mycological Society 61, 57–69.
Hawksworth DL. 1982 – A new species of Caryospora from Eugenia in East Africa. Transactions of the British Mycological Society 79, 69–74.
Ruibal C, Millanes AM, Hawksworth DL. 2011 – Molecular phylogenetic studies on the lichenicolous Xanthoriicola physciae reveal Antarctic rock-inhabiting fungi and Piedraia species among closest relatives in the Teratosphaeriaceae. IMA fungus 2, 97–103.
Seifert K, Morgan-Jones G, Gams W, Kendrick B. 2011 – The genera of hyphomycetes. CBS Biodiversity Series no. 9: 1–997. CBS-KNAW Fungal Biodiversity Centre, Utrecht, Netherlands.
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