Spigelia genuflexa Popovkin ^ Struwe sp. nov. - Flickr - Alex Popovkin, Bahia, Brazil (42).jpg
Taxonomy database of the U.S. National Center for Biotechnology Information
Open Tree of Life reference taxonomy version 3.2
Spigelia genuflexa (Loganiaceae), a new geocarpic species from the Atlantic forest of northeastern Bahia, Brazil
Brazilian Flora 2020 project - Projeto Flora do Brasil 2020