Others can infect several genera, such as the lesser broomrape O. minor, on Trifolium and other related Fabaceae.
The hill's vegetation is species-rich chalk grassland, dominated by Upright Brome and False Oat-grass, but with many species characteristic of this habitat, including a strong population of the rare Knapweed Broomrape.
Butter and eggs, one of the common names for Triphysaria eriantha, a species in Orobanchaceae, the broomrape family.
Orobanche californica, the California broomrape, a plant species native to western North America