Phaeoclavulina, Brinkmann, 1897

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, Phytotaxa 561 (1), pp. 27-40 : 38

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 <10 µm long ......................................................................................................................................................... P. mutabilis

- Spores> 10 µm long ........................................................................................................................................................................12

11. Spores> 15 µm long ..................................................................................................................................................... P. macrospora

- Spores <15 µm long ........................................................................................................................................................................13

12. Basidiomata tall, tips blue .......................................................................................................................................... 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 <11 cm tall...................................................................................................................................................................16

16. Hymenium amphigenous................................................................................................................................................... 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