Key to accepted species of Wrightoporia in China 1. Hyphal system monomitic....................................................................................................................... W. nigrolimitata Jia J. Chen 1. Hyphal system dimitic or trimitic.......................................................................................................................................................2 2. Generative hyphae without clamp connections..................................................................................................................................3 2. Generative hyphae with clamp connections.......................................................................................................................................4 3. Basidiocarps without rhizomorphs......................................................................................... W. casuarinicola Y.C. Dai & B.K. Cui 3. Basidiocarps with rhizomorphs............................................................................................................................ W. rubella Y.C. Dai 4. Basidiospores> 5.3 µm long.................................................................................................................................................. W. lenta 4. Basidiospores 4.5 µm long.............................................................................................................. W. campbelli (Berk.) Ryvarden 7. Basidiospores 2.6 µm wide.................................................................................................................... W. cinnamomea Ryvarden 8. Basidiospores 2 µm in diam...........................................................................................................................................12 11. Tramal skeletal hyphae 3.2 µm wide................................................................................................... W. unguliformis Y.C. Dai & B.K. Cui 14. Basidiospores <3.2 µm wide...........................................................................................................................................................15 15. Skeletal hyphae smooth....................................................................................................................................................................16 15. Skeletal hyphae encrusted................................................................................................................................................................17 16. Basidiocarps annual; tramal skeletal hyphae 2–4 µm in diam..................................................... W. africana I. Johans. & Ryvarden 16. Basidiocarps perennial; tramal skeletal hyphae 4–8 µm in diam.................................................................................... W. tropicalis 17. Generative hyphae with both clamp connections and simple septa; cystidioles absent.................. W. gillesii A. David & Rajchenb. 17. Generative hyphae only with clamp connections; fusoid cystidioles present.................................................................. W. japonica

Published as part of Chen, Jia-Jia & Cui, Bao-Kai, 2014, Studies on Wrightoporia from China 3. Wrightoporia subavellanea sp. nov. based on morphological characters and rDNA sequence data, pp. 225-234 in Phytotaxa 175 (4) on page 232, DOI: 10.11646/phytotaxa.175.4.4, http://zenodo.org/record/5143927