Unpublished manuscript (c. 1926–1935) for Engler A. (ed.), Das Pflanzenreich.
Scans produced at the Queensland Herbarium, Brisbane, by Yucely Alfonso.
http://www.bgbm.org/de/BGBM/library/archiv_BGBM/Mez_ms_en.htm,
Unpublished manuscript (c. 1926–1935) for Engler A. (ed.), Das Pflanzenreich.
Scans produced at the Queensland Herbarium, Brisbane, by Yucely Alfonso.
http://www.bgbm.org/de/BGBM/library/archiv_BGBM/Mez_ms_en.htm,