Helpers
African Plants, Senckenberg photo guide
https://www.nhm.ac.uk/our-science/our-work/biodiversity/manual-afrotropical-diptera.html
International Plant Names Index
https://www.ipni.org/
Tropicos.org. Missouri Botanical Garden
https://tropicos.org/home
BHL-Biodiversity Heritage Library
https://www.biodiversitylibrary.org/
Beispiel:
https://www.biodiversitylibrary.org/page/6133144#page/576/mode/1up
World Plants. Synonymic Checklist and Distribution of the World
https://www.worldplants.de/world-plants-complete-list/complete-plant-list
Global Plants
https://plants.jstor.org/
Phytoimages
http://www.phytoimages.siu.edu/index.html?
The World Flora Online
http://www.worldfloraonline.org/
PhytoKeys
https://phytokeys.pensoft.net/
eFloras
https://www.kew.org/read-and-watch/flora-in-it-for-the-long-haul
https://archive.org/details/FloraOfWestTropi00hutc/page/n13/mode/2up