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         The Genus Pseudotomentella Svrček

 

Species found in Germany in italic

1a.  Hyphae clamps present

2

1b.  Hyphae clamps absent

3

2a.  Spores 6-7,5 µm

P. humicola

2b.  Spores 9-11 µm and chlamydospores on rhizomorphs present

P. vepallidospora

3a.  Spores brownish, subicular hyphae brown, thick-walled (P. tristis-complex)

4

3b.  Spores hyaline to yellowish, subicular hyphae hyaline to pale brownish

7

4a.   all Subicular hyphae < 4,5 µm

5

4b.   most Subicular hyphae > 4,5 µm

6

5a.   Spores Ø 7-8 µm, hymenium weakly cyanescent

P. rotundispora

5b.   Spores Ø 8-10 µm, hymenium strong cyanescent

P. media

6a.   Spores Ø < 8 µm

P. sciastra

6b.   Spores Ø > 8 µm

11

7a.   Brown chlamydospores present on rhizomorphs

P. rhizopunctata

7b.   Chlamydosporen absent

8

8a.   Two types of spores present, 5,5-7 and 8-11 µm, hymenophore paler than the almost blackish subiculum

P. nigra

8b.   Only one type of spores present, hymenophore darker than subiculum

9

9a.   Hymenium strong cyanescent, basidia up to 100 µm long, Hymenophor greenish-bluish

P. flavovirens

9b.   Hymenium not cyanescent

10

10a. Hymenophore lightgrey, parchment-like, subiculum darker than the fertile area

P. griseopergamacea

10b. Hymenophore brownish, subiculum concolorous to paler than the fertile area, margin mostly white

P. mucidula

11a. Hymenium cyanescent

12

11b. Hymenium not cyanescent

P. umbrina

12a. Spores Ø 9-10,5 µm

P. pluriloba

12b. Spores Ø 8-9 µm 

P. tristis