Eighteen taxa in section Phoma with conidia usually shorter than 5.5 µm are keyed out and described on account of their characteristics in vitro. Two taxa from section Sclerophomella are added because they have very similar characters in vitro. The following new binomials have been proposed: Phoma dictamnicola Boerema, de Gruyter & Noordel., nom. nov., Phoma dorenboschii Noordel. & de Gruyter, spec. nov., Phoma minutispora P.N. Mathur, nom. nov., and Phoma opunticola Boerema, de Gruyter & Noordel., spec. nov. Hostfungus and fungus-host indices are provided and short comments on the ecology and distribution of the taxa are given.

Persoonia - Molecular Phylogeny and Evolution of Fungi

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Naturalis journals & series

de Gruyter, J., & Noordeloos, M. E. (1992). Contributions towards a monograph of Phoma (Coelomycetes) — I. 1. Section Phoma: Taxa with very small conidia in vitro. Persoonia - Molecular Phylogeny and Evolution of Fungi, 15(1), 71–92.