Phaeoacremonium

Dayarathne, Monika C., Maharachchikumbura, Sajeewa S. N., Gareth Jones, E. B., Al-Sadi, Abdullah M., Hyde, Kevin D. & Chomnunti, Putarak, 2019, Sexual morph of Phaeoacremonium aureum from Rhizophora mucronata collected in southern Thailand, Phytotaxa 387 (1), pp. 21-39 : 34

Key to the sexual morphs of Phaeoacremonium

1. Ascospores mostly allantoid...............................................................................................................................................................2

1. Ascospores mostly cylindrical, oblong-ellipsoidal or reniform.........................................................................................................7

2. Paraphyses thread-like at the apex....................................................................................................................................................3

2. Paraphyses tapering towards the apex, but not thread-like................................................................................................................5

3. Perithecial necks 200–515 μm long...................................................................................................................................................4

3. Perithecial necks 515–1300 μm long............................................................................................................................ P. rubrigenum

4. Ascospores allantoid to oblong-ellipsoidal, asci (16–)18–22(–23) × 4–5 μm; perithecial necks 220–440 μm long........ P. krajdenii

4. Ascospores allantoid, asci (12–)14–18 × (3.5–)4–5 μm; perithecial necks 215–810 μm long .................................... P. parasiticum

5. Ascomata with long neck...................................................................................................................................................................6