Phaeodimeriella parvula
Phaeodimeriella parvula (Cooke) Hansf., Mycol. Pap. 15: 64 (1946).
≡ Dimerosporium parvulum Cooke, Grevillea 20 (no. 93): 5 (1891).
Index Fungorum number: IF 289280; Facesoffungi number: FoF 03690, Fig. 1
Description: see Boonmee et al. (2017).
Material considered: see Boonmee et al. (2017).
Fig. 1 Phaeodimeriella parvula (K(M) 181461, holotype; modified from Fig. 83 in Boonmee et al. 2017). a Details of herbarium material. b Appearance of ascoma on leaf surface. c Setae. d Squash mount of ascomata. e Section of ascoma. f Peridium. g Pseudoparaphyses. h−k Asci. l−o Ascospores. p Squash mount of conidioma. q Section of conidioma. r Conidia. Scale bars: b = 200 µm, c = 100 µm, d, e, p = 50 µm, f = 20 µm, g, h−k, r = 20 µm, l−o = 10 µm, q = 30 µm.
Importance and distribution
There are thirty-eight Phaeodimeriella epithets in Index Fungorum (2022), but some have been transferred to Acantharia, Antennularia, Asterina, Balladyna, Chevalieropsis, Dimerium, Episphaerella and Protoventuria. Species of Phaeodimeriella are recorded on seventeen host plants in Apocynaceae, Asteraceae, Cannabaceae, Clethraceae, Dilleniaceae, Euphorbiaceae, Grossulariaceae, Lamiaceae, Malvaceae, Menispermaceae, Metteniusaceae, Phyllocladaceae, Piperaceae, Rubiaceae and Solanaceae. Phaeodimeriella is reported from Africa (Eastern Cape Province, Uganda), Asia (Philippines, Thailand), Australia (Queensland, Tasmania), Central America (Costa Rica), North America (Caribbean (Dominican Republic, Puerto Rico), the United States) and South America (Brazil, Colombia, Ecuador, Paraguay).
References
Boonmee S, Phookamsak R, Hongsanan S, Doilom M et al. 2017 – Mycosphere notes 51–101. Revision of genera in Perisporiopsidaceae and Pseudoperisporiaceae and other Ascomycota genera incertae sedis. Mycosphere 8, 1695–1801.
Hansford CG. 1946 – The foliicolous Ascomycetes, their parasites and associated fungi. Mycological Papers 15, 1–240.
Theissen F. 1912 – Fragmenta brasilica IV nebst Bemerkungen über einige andere Asterina-Arten. Annales Mycologici 10, 1–32.
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