Key: Step 925. Orthocladiinae 336 Cricotopus

925a. Thoracic horn short (less than 200µm long), usually with points.

Step 926. Orthocladiinae 337 Cricotopus

925b. Thoracic horn thin-walled, cylindrical, longer, unarmed (resembling the horn of Cricotopus sylvestris 085e.jpg).

Cricotopus pe17
Decision path