Lasiobolus key

Key based on Bezerra & Kimbrough (1975) and Yao (unpubl.)

1

Ascomata containing a single multispored ascus

monascus

Ascomata containing several to many eight-spored asci

2

2

Setae mostly greater than 600 µm in length

3

Setae shorter than 600 µm

4

3

Ascospores 19.5-22.5 x 7-9 (-10) µm, narrowly ellipsoidal to subfusiform; asci ± cylindrical

macrotrichus

Ascospores 22-30 x 9-13.5 µm, subfusiform; asci clavate

ruber

4

Ascospores 24-34 x 12-19 µm, becoming yellowish when mature

diversisporus

Ascospores smaller, remaining hyaline

5

5

Ascospores 13-18 x 9-13.5 µm, broadly ellipsoidal to subglobose; setae (25-) 65-200 µm in length, not swollen at the base

lasioboloides

Ascospores 18-22 µm in length, ellipsoidal; setae usually longer than 200 µm, slightly to distinctly swollen at the base

6

6

Asci clavate, 90-140 x 20-27 (-35) µm; ascospores irregularly biseriate, 19-22 x 10.5-13.5 (-15) µm; setae 10-25 µm diam. near the base

cuniculi

Asci cylindrical, 145-160 (-195) x 14.5-17.5 µm; ascospores uniseriate, 18-21.5 x (9.5-) 10-11.5 µm; hairs 10-28 (-35) µm diam. near the base

papillatus