Gyromitra ambigua
Gyromitra ambigua (P. Karst.) Harmaja, Karstenia 9: 17 (1969)
Facesoffungi number: FoF 04211
Saprobic on soil. Sexual morph: Apothecia 3–10 cm diam., gregarious, stipitate. Receptacle saddle-shaped, 3-lobed, reddish-brown. Stipe paler than the receptacle. Paraphyses 3–4 µm wide at the apex, filiform, numerous, septate, slightly enlarged at the apices. Asci 125–175 x 10–15 µm, 8-spored, unitunicate, cylindrical, rounded at the apex, non-amyloid. Ascospores 15–20 x 5–6 µm, 1-2-seriate, hyaline, subfusiform to broadly fusiform, smooth-walled, with apiculi at both ends. Asexual morph: Undetermined.
Specimens examined: China, Sichuan Province, Mianyang City, Pingwu County, Wanglang Region, 19 June 2014, Yan-Jia Hao HK036 (HKAS 82861). GenBank submissions: ITS: MG871301, LSU: MG871336
Notes: Gyromitra ambigua is characterized by its saddle-shaped apothecia with reddish-brown cap. Ascospores are subfusiform to broadly fusiform with apiculi (Beug et al. 2014).
Morphology of Gyromitra ambigua (HKAS 82861). a Dried herbarium material, b filiform paraphyses
with slightly swollen apices, c, d cylindrical asci, e, f ellipsoid ascospores. Scale bars e, f 5 µm, c, d 40 µm, b 100 µm
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