British fungi - Keys

The genus Morenoina

by Paul Kirk

 

 

 

1

Ascospores up to 4 m wide, usually < 10 m long

2

 

Ascospores 4 m or more wide, usually > 10 m long

8

2(1)

Ascospores up to 7 m long

3

 

Ascospores 7 m or more long

4

3(2)

Ascospores smooth, 23 m wide

epilobii

 

Ascospores distantly verruculose, 152 m wide

paludosa

4(2)

Thyrothecium simple, up to 60 m wide

minuta

 

Thyrothecium simple or branched, > 60 m wide

5

5(4)

Thyrothecium margin entire

6

 

Thyrothecium margin fringed

7

6(5)

Thyrothecium simple, concolourous around the ostiole

chamaecyparidis

 

Thyrothecium simple or branched, opaque around the ostiole

rhododendri

7(5)

Ascospores smooth

pteridicola

 

Ascospores distantly verruculose

phragmitis

8(1)

Ascospore smooth, clavate

clarkii

 

Ascospore ornamented, broadly ellipsoid to clavate

9

9(8)

Ascospore usually > 14 m long, finely echinulate

arundinariae

 

Ascospore usually < 14 m long; distantly verruculose

10

10(9)

Cells of thyrothecium quadrangular, opaque around the ostiole

websteri

 

Cells of thyrothecium oblong, concolourous around the ostiole

fimbriata

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