Phaeoclavulina Brinkmann 1897

Key to Phaeoclavulina species in China 1. Species pileate....................................................................................................................................................................................2 - Species ramarioid...............................................................................................................................................................................3 2. Hymenium violet.................................................................................................................................................................. P. grandis - Pileus green............................................................................................................................................................................ P. viridis 3. Spore spines connected into circular to semi-circular ridges............................................................................................... P. decolor - Spore spines not connected into circular to semi-circular ridge.........................................................................................................4 4. Crystals present in trama or adhering to rhizomorph hyphae.............................................................................................................5 - Crystals absent in trama or adhering to rhizomorph hyphae..............................................................................................................6 5. Basidiomata bruising green................................................................................................................................................. P. flaccida - Basidiomata not bruising green........................................................................................................................................ P. eumorpha 6. Spores verrucose.................................................................................................................................................................................7 - Spores echinulate................................................................................................................................................................................8 7. Basidiomata bruising olive or green on handling or weathering......................................................................................... P. abietina - Basidiomata not bruising olive or green on handling or weathering.................................................................................. P. sikkimia 8. Hyphae with H-connection................................................................................................................................................... P. zippelii - Hyphae without H-connection............................................................................................................................................................9 9. Basidiomata branches or tip green or blue.......................................................................................................................................10 - Basidiomata branches or tip orange or red.......................................................................................................................................11 10. Spores P. mutabilis - Spores> 10 µm long........................................................................................................................................................................12 11. Spores> 15 µm long..................................................................................................................................................... P. macrospora - Spores P. cyanocephala - Basidiomata short, tips copper-green.............................................................................................................................. P. aeruginea 13. Branch apices orange to red.............................................................................................................................................................14 - Branch apices white to silvery, gray-yellow, gray-brown, yellow to brown, or dark olive-yellow.................................................15 14. Basidiomata stipe long, acute spines...................................................................................................................................... P. cokeri - Basidiomata stipe short, volcanic spines.................................................................................................................... P. cinnamomea 15. Basidiomata> 11 cm tall................................................................................................................................................. P. campestris - Basidiomata P. capucina - Hymenium unilateral........................................................................................................................................................................17 17. Spores 4.5–6.5 µm long, basidia 25–36 µm long.................................................................................................................... P. curta - Spores 7–11 µm long, basidia 40–50 µm long............................................................................................................... P. longicaulis
Published as part of Liu, Wen-Hao, Yan, Jun, Deng, Peng-Tao, Qin, Wei-Qiang & Zhang, Ping, 2022, Two new species of Phaeoclavulina (Gomphaceae, Gomphales) from Hunan Province, China, pp. 27-40 in Phytotaxa 561 (1) on page 38, DOI: 10.11646/phytotaxa.561.1.3, http://zenodo.org/record/7052787