Treub worked on tropical flora on Java and organized the Botanical Garden as a scientific institution of botany.

In 1903 he established the Buitenzorg Landbouw Hogeschool, a school that later evolved into the Bogor Agricultural Institute.

[5] Then in 1897, Albert Julius Otto Penzig and Pier Andrea Saccardo published Melchioria, which is a genus of fungi within the Niessliaceae family.

[6] Treubaria is a genus of green algae in the family Treubariaceae that was circumscribed by Charles Jean Bernard in 1908.

[7] In 1909, Franz Xaver Rudolf von Höhnel published Treubiomyces which is a genus of fungi in the family Chaetothyriaceae.