Bi
- Bidens
- X Bidens aristosa — tickseed beggarticks
- X Bidens bipinnata
- N Bidens cernua — nodding beggarticks, nodding burr marigold
- N Bidens connata — purplestem beggarticks, purplestem swamp beggarticks, connate beggarticks, southern tickseed
- N Bidens discoidea — swamp beggarticks, small beggarticks, discoid beggarticks, few-bracted beggarticks
- N Bidens frondosa — Devil's beggarticks, Devil's pitchfork, stick-tight, largeleaf beggarticks
- N Bidens hyperborea — estuary beggarticks, coastal beggarticks, northern estuarine beggarticks, seacliff beggarticks
- N Bidens laevis — smooth bur-marigold
- X Bidens pilosa — hairy beggarticks
- X Bidens polylepis — awnless beggarticks
- N Bidens tripartita — threepart beggarticks, trifid burr-marigold
- N Bidens vulgata — tall beggarticks, stick-tight, big Devil's beggarticks
Read more about this topic: List Of Canadian Plants By Genus B