J. van Brummelen
A world-monograph of the genera Ascobolus and Saccobolus (Ascomycetes, Pezizales)
A world-monograph of the general Ascobolus and Saccobolus (Ascomycetes, Pezizales)
A world-monograph of the genus Pseudombrophila (Pezizales, Ascomycotina)
Some observations on the variability of Tricharina gilva (Boud. apud Cooke) Eckbl