Aphyllon corymbosum ssp. corymbosum   flat-topped broomrape
           (Alt: Orobanche corymbosa )
Orobanchaceae
sensitive                      herbaceous           
Distribution: Oregon Trail, South Boise

UW Burke Herbarium Link: Aphyllon corymbosum ssp. corymbosum
USDA Plants Link: Aphyllon corymbosum ssp. corymbosum   (ORCO5)