This name is a synonym of Aquilegia viridiflora var. atropurpurea (Willd.) Trevir..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 100290663) with original publication details: Minnesota Bot. Stud. 2: 336 1899.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:16885-2.
This name was in version 1 of The Plant List, record tro-100290663.