Euphrasia L.
Upper leaves with 2 or more pairs of teeth. Leaves cuneate to spathulate, 5–15 mm long, obtuse, wrinkled. Erect, perennial herbs up to c. 50 cm high
Calyx hairy outside. Corolla blue to purple, without yellow markings on the lower lip. Widespread. Open forests and damp places. Fl. spring–summer Euphrasia collinaspeciosa
Calyx glabrous outside except just below each cleft. Corolla white to purple or pink, often with yellow markings on the lower lip. Widespread. DSF, heath and damp places. Fl. spring–summer Euphrasia collinapaludosa