Mycosphaerellales » Mycosphaerellaceae » Isariopsis

Isariopsis pusilla

Isariopsis pusilla Fresen., Beitr. Mykol. 3: 87 (1863).

            Index Fungorum number: IF 155778; Facesoffungi number: FoF11270, Fig. 1

Description: see Braun (1998); Videira et al. (2017).

Material examined: see Braun (1998); Videira et al. (2017).


Fig. 257 Isariopsis pusilla (re-drawn from page 346 in Bernhard 1895). a Conidiophores giving rise to conidia. b Conidia.

Importance and distribution

Isariopsis comprises six species causing leaf blights and spots on host plants and plant families such as Annonaceae, Caryophyllaceae, Fabaceae, Lauraceae, Malpighiaceae, Menispermaceae, Oleaceae, Rosaceae, Rubiaceae, Vitaceae. Isariopsis has a wide distribution including Africa (Mauritius, South Africa), Asia (China, India, Philippines), Australia, Europe (France, Italy, Netherlands, United Kingdom) and North America (Caribbean, New York, the United States). Isariopsis is still poorly understood as molecular data is unavailable.



Braun U. 1988 – Studies on Ramularia and allied genera (II). Nova Hedwigia 47, 335–349.

Braun U. 1990 – Studies on Ramularia and allied genera (III). Nova Hedwigia 50, 499–521.

Braun U. 1998 – A monograph of Cercosporella, Ramularia and allied genera (phytopathogenic hyphomycetes): Vol. 1. IHW-Verlag, Eching, Munich, Germany.

Gjaerum HB. 1968 – Ramularia episphaeria (Desm.) Gunnerb. and R. albo-rosella (Desm.) n. comb. Nytt Magasin for Botanikk 14, 115–124.

Gunnerbeck E. 1967 – Ramularia and related fungi on phanerogams in Uppland, Sweden. Svensk Botanisk Tidskrift 61, 126–138.

Videira SIR, Groenewald JZ, Nakashima C, Braun U, Barreto RW, de Wit PJGM, Crous PW. 2017 – Mycosphaerellaceae - Chaos or clarity? Studies in Mycology 87, 257–421.



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