Readerielliopsidaceae, Abdollahz. & Crous, 2020

Haituk, Sukanya, Suwannarach, Nakarin, Hongsanan, Sinang, Senwanna, Chanokned & Cheewangkoon, Ratchadawan, 2021, New genus of epiphytic sooty mold: Alloscorias syngonii (Readerielliopsidaceae) from Thailand, Phytotaxa 507 (4), pp. 271-282 : 276

Key to genera of Readerielliopsidaceae

1. Produce a thin superficial network of dense, dark hyphae on leaves.................................................................................................2

- Produce hyphal mass, black, web-like colonies on leaves .................................................................................................................5

2. Pycnidia flask shaped or sub globose to pyriform, brown .................................................................................................................3

- Pycnidia irregularly cylindrical, straight or flexuous, short or long........................................................................... Scolecoxyphium

3. Conidia globose to clavate, non-septate ..................................................................................................................... Readerielliopsis

- Conidia with septate ...........................................................................................................................................................................4

4. Conidia filiform, fusoid-ellipsoidal, with up to 15-septate ......................................................................................... Phaeoxyphiella

- Conidia oblong or ovoid, with 3–4 transverse septa ..................................................................................................... Fumagospora

5. Ascostromata with stalks, ascospore oblong to saccate, 3-septate, hyaline ............................................................................. Scorias

- Ascostromata without stalks, ascospore fusoid, 3-septate with a mucilaginous sheath, hyaline ...................................... Alloscorias