Valetoniella Höhn., Sber. Akad. Wiss. Wien, Math.-naturw. Kl., Abt. 1 118: 1499 (1909)

MycoBank number: MB 5700; Index Fungorum number: IF 5700; Facesoffungi number: FoF 13473; 3 morphological species (Species Fungorum 2020).

Type species – Valetoniella crucipila Höhn.

Notes – Valetoniella was established by Valetoniella crucipila and has globose ascomata with branched setae, clavate asci with ellipsoid ascospores (Höhnel 1909a). The other two species, V. claviornata and V. pauciornata, were introduced by Samuels & Barr (1997). Valetoniella crucipila is illustrated in this entry (Fig. 175).

Figure 175 – Murinectria murispora (AMH-10077, holotype). a, b Ascomata on host. c, d, g Vertical section of ascomata. e Peridium. f Neck. h, i Culture on MEA plate. l Asci. j, k, m-o Ascospores. Scale bars: d = 100 μm, d, f, g = 50 μm, j-o = 10 μm.

Figure 178 – Valetoniella crucipila (Material examined – NEW ZEALAND, Auckland, Titirangi beach reserve; on ascomata of Nectria haematococca and N. mammoidea, 18 September 1980, Samuels GJ & Johnston PR, PDD no. 41743). a, b Material label. c Ascomata. d Ascoma cross section. e Peridium. f Setae. g Asci stained in Congo red reagent. h Ascospores (d-f, h. from permanent slides). Scale bars: c = 200 µm, d = 100 µm, e-g = 20 µm, h = 10 µm.

Species

  • Valetoniella crucipila