Bifora testiculata (L.) Spreng. (syn.: B. dicocca Hoffmann) (Medit., SW-As.) – A very rare and always ephemeral alien. First recorded on a coal mine heap in Pâturages in 1891. Furthermore recorded in La Cambre (1909) and in a garden in Vierset-Barse (1937-1938) (Fabri & Salembier 1985, Fabri 1992). More recently also seen as grain alien in port areas (Antwerpen and Gent, 1998-2004, 2014) (e.g. Verloove & Vandenberghe 1999).
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Selected literature:
Fabri R. (1992) Ombellifères indigènes, naturalisées ou adventices intéressantes pour la flore belge. Dumortiera 50: 4-15.
Fabri R. & Salembier J.-F. (1985) Bifora radians Bieb. (Apiaceae), adventice retrouvée en Belgique. Dumortiera 31: 14-17.
Verloove F. & Vandenberghe C. (1999) Nieuwe en interessante voederadventieven voor de Belgische flora, hoofdzakelijk in 1998. Dumortiera 74: 23-32.
Yena A.V., Korzhenevsky V.V. & Ryff L.E. (2006) Bifora testiculata (L.) Spreng. (Apiaceae) - new species for the flora of East Europe and other floristic finds in the Crimea (in Russian). Byull. Glavn. Bot. Sada (Moscow) 190: 102-108.