Verbatim text: Downie, S. R. and J. McNeill. 1988. Description and distribution of Euphrasia stricta in North America. Rhodora 90: 223–231.
Author: Downie, S.R., McNeill, J.
Year: 1988
Title: Description and distribution of Euphrasia stricta in North America
Journal: Rhodora
Volume: 90
Pages: 223–231