Hobsoniopsis santessonii

Hobsoniopsis santessonii (Lowen & D. Hawksw.) D. Hawksw., in Sikaroodi, Lawrey, Hawksworth & DePriest, Mycol. Res. 105(4): 457 (2001)

 ≡ Hobsonia santessonii Lowen & D. Hawksw., in Lowen, Brady, Hawksworth & Paterson, Mycologia 78(5): 844 (1986)

            Index Fungorum number: IF 467758; Facesoffungi number: FoF xxx, Fig. 1

Description:

Lichenicolous on thallus of Peltigera scabrosa. Sexual morph: Undetermined. Asexual morph: Sporodochia 190–482 µm × 180–305 µm (x = 308.2 × 264.4 µm, n = 10) erumpent, superficial, through the dorsal cortex of the host thallus, scattered or in group, grey to yellowish. Conidiophores reduced to conidiogenous cells. Conidia 9–13 µm × 5–12 µm (x = 11.1 × 8.9 µm, n = 10) solitary, or aggregated, light brown to orange, filament helicoid, multicellular,  irregular, walls sparsely darkly verrucose.

Material examined: Europe, Sweden, Near the waterfall Digerfallet in the stream Tasan. Alt.: 1400 m, on thallus of Peltigera scabrosa (Peltigeraceae), R. Santesson, 14 June 1956 (F-169758, holotype).