Pholiotina section Pholiotina

Burenbaatar, G., Song, Han-Bing & Bau, Tolgor, 2024, Pholiotina sphagnicola sp. nov. (Bolbitiaceae, Agaricales) from Mongolia, Phytotaxa 649 (2), pp. 182-192 : 190

Key to Pholiotina section Pholiotina in the tree

1. Broadly utriform cheilocystidia present .............................................................................................................................................2

1′. Broadly utriform cheilocystidia absent ..............................................................................................................................................4

2. 2-spored ............................................................................................................................................................. Pholiotina teneroides

2′ 4-spored ..............................................................................................................................................................................................3

3. The average length of basidiospores less than 10 μm .............................................................................................. Pholiotina indica

3′. The average length of basidiospores greater than 10 μm ............................................................................. Pholiotina utricystidiata

4. Germ pore absent..................................................................................................................................................... Pholiotina aporos

4′ Germ pore present ..............................................................................................................................................................................5

5. Coprophilous ........................................................................................................................................................ Pholiotina calongei

5′. Non-coprophilous...............................................................................................................................................................................6

6. 2-spored .......................................................................................................................................................... Pholiotina sphagnicola

6′. 4-spored ..............................................................................................................................................................................................7

7. The average length of basidiospores less than 10 μm ........................................................................................................................8

7′. The average length of basidiospores can be greater than 10 μm........................................................................................................9

8. Cheilocystidia are predominantly narrowly lageniform........................................................................................ Pholiotina arrhenii

8′. Cheilocystidia variability................................................................................................................................. Pholiotina hadrocystis

9. Cheilocystidia variability, with sub-lecythiform cystidia............................................................................. Pholiotina mediterranea

9′. Cheilocystidia are predominantly long-necked lageniform .............................................................................................................10

10. Ring large and thick, germ pore can reach 2 μm..................................................................................................... Pholiotina vexans

10′. Ring fragile, germ pore smaller than 1.5 μm........................................................................................................... Pholiotina rugosa