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The Genus Pseudotomentella Svrcek

Worldwide about 15 species, in Germany found 5 species up to now .

1a. Hyphae clamps present

2

1b. Hyphae clamps absent

3

2a. Spores 4,5-5,5 Ám

P.ochracea

2b. Spores 6-7,5 Ám

P.humicola

2c. Spores 9-11 Ám and chlamydospores on rhizomorphs present

P.vepallidospora

3a. Spores and subicular hyphae brownish in KOH

4

3b. Spores and subicular hyphae hyaline to yellowish in KOH

5

4a. Spores up to 5-6 (6,5) Ám

P.atrofusca

4b. Spores up to 6-9 (10) Ám

P.tristis

5a. Brown chlamydospores present on rhizomorphs

P.rhizopunctata

5b. Chlamydospores absent

6

6a. Two types of spores present, 5,5-7 and 8-11 Ám, hymenophore paler than subiculum, subiculum almost black

P.nigra

6b. Only one type of spores present, hymenophore darker than subiculum

7

7a. Hymenophore brownish

P.mucidula

7b. Hymenophore light- gray or greenish or bluish

8

8a. Basidia 60-100 Ám long, Spores 6-8 (10) Ám, hymenophore greenish-bluish

P.flavovirens

8b. Basidia 45-60 Ám long, Spores 5-7 (8) Ám, spores not lobed, hymenophore greyish

P.griseopergamacea