Reference:Kruckeberg1963a
Verbatim text: Kruckeberg, A. R. and F. L. Hedglin. 1963. Natural and artificial hybrids of Besseya and Synthyris (Scrophulariaceae). Madroño 17: 109–115.
Author: Kruckeberg, A.R., Hedglin, F.L.
Year: 1963
Title: Natural and artificial hybrids of Besseya and Synthyris (Scrophulariaceae)
Journal: Madroño
Volume: 17
Pages: 109–115