In his earlier research he was interested in angiosperms such as the genus " Rosa " and the species " Drosera rotundifolia " ( common sundew ), From the late 1860s, he focused on mycology, publishing significant works on the fungal class Pyrenomycetes.
12.
The greatest of his works on plant pathology are dated from this period, which includes the studies on downy mildew of wheat ( " Sclerophthora macrospora " ), ink disease on chestnut trees caused by " Phytophthora sp . ", certain bacterial diseases, as well as significant works of mycology ( Baldacci, 1959 ), including 77 described species, and published works on the mycological classe of Sordariomycetes ( or Pyrenomycetes ), and on the families Xylariaceae, Valsaceae, and Ceratostomataceae.
