Crichton, R., Dalrymple, S. E., & Hollingsworth, P. M. (2012). Horticultural Protocols to Aid the Conservation of Melampyrum sylvaticum, Orobanchaceae (Small Cow-Wheat), an Endangered Hemiparasitic Plant.
Sibbaldia: The International Journal of Botanic Garden Horticulture,
10, 57-69.
https://doi.org/10.24823/Sibbaldia.2012.67