- Boschniakia hookeri — Vancouver groundcone
- Boschniakia rossica — northern groundcone
- Boschniakia strobilacea — California groundcone
- Conopholis americana — American cancer-root
- Epifagus virginiana — beechdrops
- Orobanche californica — California broomrape
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- Orobanche corymbosa — flat-top broomrape
- Orobanche fasciculata — clustered broomrape
- Orobanche ludoviciana — Louisiana broomrape
- Orobanche pinorum — pine broomrape
- Orobanche uniflora — one-flowered broomrape
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