Mycena (Fr. Ex Berk., 1836) Quel, 1872

Liu, Zewei, Na, Qin, Cheng, Xianhao, Wu, Xiaoming & Ge, Yupeng, 2021, Mycena yuezhuoi sp. nov. (Mycenaceae, Agaricales), a purple species from the peninsula areas of China, Phytotaxa 511 (2), pp. 148-162 : 159-160

Key to species of sect. Calodontes known worldwide

1. Basidiospores inamyloid ....................................................................................................................................................................2

1. Basidiospores amyloid........................................................................................................................................................................5

2. Pileipellis not gelatinized ........................................................................................................................................... Mycena vinacea

2. Pileipellis gelatinized..........................................................................................................................................................................3

3. Caulocystidia absent.............................................................................................................................................. Mycena sirayuktha

3. Caulocystidia present..........................................................................................................................................................................4

4. Stipitipellis with sparse nodules ........................................................................................................................ Mycena subcorticalis

4. Stipitipellis smooth............................................................................................................................................. Mycena pearsoniana

5. Pileus without purple tint....................................................................................................................................................................6

5. Pileus with purple tint.........................................................................................................................................................................8

6. Q> 1.7............................................................................................................................................................. Mycena luteovariegata

6. Q <1.7................................................................................................................................................................................................7

7. Caulocystidia with apical excrescences.................................................................................................................. Mycena clarkeana

7. Caulocystidia smooth ..................................................................................................................................... Mycena nullawarrensis 8. Pileus and stipe pink...................................................................................................................................................... Mycena rosea

8. Pileus and stipe purple or purplish brown ..........................................................................................................................................9

9. Pleurocystidia present.......................................................................................................................................................................10

9. Pleurocystidia scarce or absent.........................................................................................................................................................13

10. Lamellae edge with dark purplish brown dots .................................................................................................................................11

10. Lamellae without dots ......................................................................................................................................................................12

11. Basidiospores almost less than 4 μm broad.......................................................................................................... Mycena pelianthina

11. Basidiospores almost more than 4 μm broad........................................................................................................ Mycena lammiensis

12. Cheilocystidia occurring mixed with basidia ................................................................................................................. Mycena dura

12. Cheilocystidia not occurring mixed with basidia ........................................................................................................... Mycena pura

13. Lamellae adnexed, dark brownish violet to reddish violet......................................................................................... Mycena diosma

13. Lamellae emarginate, white...................................................................................................................................... Mycena yuezhuoi