Vernacular-Name references for 'Euphrasia stricta'
eufràsia
- PESI (2014). Pan-European Species directories Infrastructure. Accessed through www.eu-nomen.eu/portal
Очанка прямая rus
- Plantarium - Russia
očianka tuhá slk
- Slovak Academy of Sciences
světlík tuhý ces
- Institute of Botany, Academy of Sciences of Czech Republic - Květena