Meyer, F.K. 2003: Kritische Revision der "Thlaspi"-Arten Europas, Afrikas und Vorderasiens. Spezieller Teil. III. Microthlaspi F. K. Mey. – Haussknechtia 9: 3-59
modified translation; seed measurements need to be verified
1Petals unequal (rarely equal), the two longer ones 3-6 mm long; style 0.3-0.4 mm long; seeds 1.6-1.7 mm long
1'Petals equal, 1.5-3.4 mm long; style 0.2-0.3 mm long; seeds 1.3-1.6 mm long