1680 Euphrasia micrantha Rchb.

Syn.: E. gracilis (Fr.) Drejer

Total range of this species mainly restricted to W., C. and partly N. Europe. It may also occur in Iran (Rechinger). It has been introduced into N. America (Mass.) The map is in several respects preliminary. Cf. also Meusel et al. 1978, map p. 408.