Papaver hybridum L. (Medit.) – A rare and always ephemeral alien. Perhaps first collected in 1880 in Leuven (rough ground). Also exceptionally seen as a wool alien in the Vesdre valley (1912) and occasionally elsewhere (e.g. Bouvegnez, Val-Benoit). In the past decades sometimes seen in the vicinity of granaries, unloading quays for cereals or along railway tracks in port areas, for instance in the ports of Antwerpen (1999-2000, 2017) and Roeselare (1994).
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Selected literature:
Aghababyan M.V. (2011) A revision of Papaver sect. Argemonidium Spach (Papaveraceae). Takhtajania 1: 38-42. [available online at: http://takhtajania.asj-oa.am/10/1/38.pdf]
Kadereit J.W. (1986b) A revision of Papaver section Argemonidium. Notes Roy. Bot. Gard. Edinburgh 44: 25-43.
Kirn H.S. & Kapahi B.K. (1983) Papaver hybridum L.: a taxon new for India from Jammu and Kashmir State. Indian J. Forest 6(3): 233.
McNaughton I.H. & Harper J.L. (1964) Papaver hybridum L. (Biological Flora). J. Ecol. 52: 789-793.