Pleosporales » Astrosphaeriellaceae » Astrosphaeriella

Astrosphaeriella maquilingiana

Astrosphaeriella maquilingiana (Rehm) K. D. Hyde & J. Fröhl.

Basionym: Trematosphaeria maquilingiana Rehm, Leafl. of Philipp. Bot. 8: 2952 (1916)

Synonymy: Trematosphaeria maquilingiana var. schizostachyi Rehm, Leafl. of Philipp. Bot. 8: 2952 (1916)

Trematosphaeria maquilingiana Rehm, Leafl. of Philipp. Bot. 8: 2952 (1916) var. maquilingiana

 

Sexual morph: Ascomata arising singly, superficial, immersed only at the base, lacking teeth-like flanges, black, carbonaceous; in section 500–750 µm diam., 375–500 µm high, subhemisphaerical to conical, ostiolate. Asci 138–160 × 11–14 µm, 8-spored, cylindrical, short pedicellate, with an ocular chamber and surrounded by a ring. Ascospores 44–52 × 5–7 µm, 2-seriate, fusiform, brown, 1–3 septate, slightly constricted at the septum, some slightly verrucose, surrounded by an evanescent narrow sheath withdrawn out appendages at the ends. Asexual morph: Undetermined. (Description from Hyde and Frohlich 1998)

 

Freshwater distribution: Australia (Vijaykrishna and Hyde 2006)

 

References

Hyde KD, Frohlich J (1998) Fungi from palms XXXVII. the genus Astrosphaeriella, including ten new species. Sydowia 50:81–132

Vijaykrishna D, Hyde KD (2006) Inter- and intra-stream variation of lignicolous freshwater fungi in tropical Australia. Fungal Divers 21:203–224

 

 

Figures 99-107. Astrosphaeriella maquilingiana (from HKU(M) 815), 99, 100. Appearance of ascomata on host surface, 101, 102. Asci, 103. Squash mount of asci and trabeculae, 104. Apex of ascus, 105-107. Ascospores with appendages drawn out at the ends. Scale bars: 99, 100 = 1 mm, 101–107 = 10 µm. (Image from Hyde and Frohlich 1998)

Figures 108-114. Astrosphaeriella maquilingiana (from HKU(M) 2731). 108. Appearance of ascomata on host surface, 109. Squash mount of asci and trabeculae, 110. Ascus, 111-114. Ascospores with appendages drawn out at the ends. Scale bars: 108 = 200 µm, 109-114 = 10 µm. (Image from Hyde and Frohlich 1998)

 

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