Worldwide key to Thyronectria: for PC, for smartphones, česká verze: pro PC, pro telefony
Key to Hyaloscypha (based on Huhtinen's 1990 monograph): for PC, for smartphones
Worldwide key to Pseudombrophila (based on van Brummelen's 1995 monograph, with additions): for PC, for smartphones
Worldwide key to Cheilymenia (based on Moravec's 2005 monograph, with additions): for PC, for smartphones
External links
Mal Greaves - Key to european Scutellinia species: see here
Mal Greaves - Key to european Earth tongues (Geoglossaceae): see here