Keys from eFlora of Pakistan:
Bracts equalling or slightly longer than pedicel in fruits; corolla pale pinkish to white; fruits usually rounded or very obtuse at apex; leaf segments obscurely channelled or not Fumaria indica
+Bracts shorter than pedicel (1/2-3/4 as long) in fruits; corolla ± pink-violet with dark tips; fruits usually minutely apiculate (or obtuse); leaf segments flat Fumaria vaillantii
Fumaria capreolata L. (Belgium, England, Slovakia, Germany, Ireland, Switzerland, Austria (I), Denmark (I), Netherlands (I), Norway (I), Portugal, Spain, Gibraltar, Baleares, France, Corsica, Sardinia, Malta, Sicily, Italy, Slovenia, Croatia, Bosnia & Hercegovina, Montenegro, Serbia & Kosovo, Macedonia, Albania, Greece (incl. Kiklades), Crete, Libya, Tunisia, Algeria, Morocco, Georgia [Caucasus], Belarus (I), Turkey (NW-Anatolia: Bithynia, S-Anatolia, SSW-Anatolia, W-Anatolia), Cyprus (N-Cyprus), East Aegaean Isl., Rhodos, ?Egypt, Israel (coastal W-Israel, Rift Valley, N-Israel), Lebanon (Antilebanon, C-Lebanon, coastal W-Lebanon), Syria (coastal W-Syria, NW-Syria), Azores (Sao Miguel Isl., Terceira, Graciosa), Madeira (I) (Madeira Isl. (I)), Canary Isl. (Lanzarote, Fuerteventura, Gran Canaria, Tenerife, La Palma Isl.), Sikkim (I), India (I), USA (I) (California (I), Florida (I), New York (I)), Australia (I) (Western Australia (I), South Australia (I), Queensland (I), New South Wales (I), Victoria (I)), Peru (I), Ecuador (I), Chile (I), Juan Fdz. Isl. (I), Argentina (I), Uruguay (I), Brazil (I), Haiti (I), Dominican Republic (I), Bolivia (I) as per Catalogue of Life)
Fumaria indica (Hausskn.) Pugsley (Jammu & Kashmir (Poonch, Kashmir), India (Himachal Pradesh, Haryana, Punjab, Uttar Pradesh, Rajasthan, Bihar, West Bengal, Orissa, Maharashtra, Karnataka, Tamil Nadu), Bhutan, Nepal, Pakistan (Sind, Swat, Baluchistan, Kurram, N.W.Frontier Prov., Pakistani Punjab, Hazara), Afghanistan (Badakshan, Badghys, Baghlan, Bamyan, Faryab, Ghazni, Herat, Kabul, Kunar / Nuristan, Laghman, Wardak, Nangarhar, Parwan, Takhar), ?Tajikistan, Iran (EC-Iran, NE-Iran: Mts.), Australia (I) (South Australia (I), New South Wales (I), Northern Territory (I)) as per Catalogue of Life)
Fumaria (Papaveraceae) page with images of species in efloraofindia : 1 post by 1 author.
I request you to pl. go through & point out mistakes, if any. I hope this will aid in identifications in future. If anybody can send images of other species of this genera (for incorporation in the website), if any, or can identify unidentified images, it will be really nice.