These phytoecdysteroids have been reputed to have medicinal value and are part of herbal adaptogenic remedies like Cordyceps, yet an ecdysteroid precursor in plants has been shown to have cytotoxic properties.
Most of the fungi that he named, are still recognised under the original name, proving the high quality of his work (such as Cordyceps, Creopus, Fusarium, Leocarpus, Myxomycetes, Phragmidium).