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                                The Genus Pseudotomentella Svrček

 

1a. Hyphae clamps present

2

1b. Hyphae clamps absent

3

2a. Spores 4,5-5,5 µm

P.ochracea

2b. Spores 6-7,5 µm

P.humicola

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

P.vepallidospora

3a. Spores brownish, subicular hyphae brown, thickwalled

4

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

6

4a. Spores on average 6-8 µm

5

4b. Spores on average 8-10 µm

10

5a. Subicular hyphae wider than 4,5 µm

P.sciastra

5b. Subicular hyphae narrower than 4,5 µm

P. rotundispora

6a. Brown chlamydospores present on rhizomorphs

P.rhizopunctata

6b. Chlamydospores absent

7

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

P.nigra

7b. Only one type of spores present, hymenophore darker than subiculum

8

8a. Hymenophore brownish

P.mucidula

8b. Hymenophore light-gray or greenish or bluish

9

9a. Basidia 60-100 µm long, Spores 6-8 (10) µm, hymenophore greenish-bluish,  araneose to submembranaceous

P.flavovirens

9b. Basidia 45-60 µm long, Spores 5-7 (8) µm, hymenophore greyish, parchment-like

P.griseopergamacea

10a. Hymenium cyanescent, hymenophore with blue or greenish tints, sometime blackish

P.tristis

10b. Hymenium not cyanescent, hymenophore brown, without blue or greenish tints

P.umbrina