rare Nigellas?

Göppingen, Germany(Zone 7b)

Doing some research for a possible breeding project, I found descriptions of several Nigella species and their very close relatives, some of them rather bizarre. Unfortunately, I can't seem to find any seeds on the net besides the classical and rather similar N. Damascena, N. Hispanica (a.k.a N. Papillosa) and N. Sativa, or the two less common species N. Orientalis and N. Bucharica. I would be very interested in several other species, which may not have been cultivated as ornamentals before but would add variety to the forms and colors of Nigella. Unfortunately, those species are said to originate between Turkey, Israel and several countries of the middle east, where people really have other problems than botanics right now - still I'd like to ask if someone has access to some of those (or maybe some others):

Nigella Cilliaris: http://www.flowersinisrael.com/Nigellaciliaris_page.htm
Nigella Fumarifolia http://herbaryum.neu.edu.tr/content/resimler/Ranunculaceae/Nigella%20fumariifolia.JPG
Nigella Elata http://www.plantarium.ru/page/image/id/4393.html
Nigella Arvensis: http://www.flowersinisrael.com/Nigellaarvensis_page.htm
Garidella Nigellastrum a.k.a Nigella Garidella http://www.florasilvestre.es/mediterranea/Ranunculaceae/Garidella_nigellastrum.htm
Garidella Umguicularis http://www.tapuz.co.il/blog/net/viewentry.aspx?entryId=1490883

some of them seem rather smallish, but who knows what a few generations of selection could do? I'd love to try.

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