IRMNG Taxon list
- Acrospermum candidum Setch., 1924 accepted as Cyanodermella candida (Setch.) O.E. Erikss., 1981
- Acrospermum compressum Tode, 1790
- Acrospermum dubium Pers., 1797 accepted as Coryne dubia (Persoon) Gray
- Acrospermum graminum Lib., 1830
- Acrospermum lichenoides Tode, 1790 accepted as Hypocreopsis lichenoides (Tode) Seaver, 1910
- Acrospermum pallidulum Kirschst., 1938
- Acrospermum viridulum Berk. & M.A. Curtis, 1876 accepted as Cyanodermella viridula (Berk. & M.A. Curtis) O.E. Erikss., 1981
- Oomyces carneoalbus (Lib.) Berk. & Broome, 1851
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