# List of Canadian plants by genus B

Below is a list of Canadian plants by genus. Due to the vastness of Canada's biodiversity, this page is divided.
Many of the plants seen in Canada are introduced, either intentionally or accidentally. N indicated native and X indicated exotic. Those plants whose status is unknown are marked with a ?.
A | B | C | D | E | F | G | H | I J K | L | M | N | O | P Q | R | S | T | U V W | X Y Z

## Ba

* Ballota
** X Ballota nigra — black horehound
* Baptisia
** X Baptisia australis — blue wild indigo, blue false indigo
** N Baptisia tinctoria — yellow wild-indigo
* Barbarea
** N Barbarea orthoceras — erect-fruit wintercress
** X Barbarea vulgaris — yellow rocket, common wintercress
* Bartonia
** N Bartonia paniculata subsp. paniculata — twining screwstem, branched bartonia Threatened
** N Bartonia virginica — yellow screwstem, yellow bartonia
* Bartsia
** N Bartsia alpina — velvetbells, alpine bartsia
* Bassia
** X Bassia hyssopifolia — five-horn smotherweed, five-hook bassia, thorn orache

## Be

* Beckmannia
** N Beckmannia syzigachne — American slough grass
* Bellis
** X Bellis perennis — English daisy
* Berberis
** X Berberis aquifolium — Oregon grape, Oregon hollygrape, holly barberry
** X Berberis repens — creeping mahonia, creeping grape holly, creeping barberry
** X Berberis thunbergii — Japanese barberry, purple Japanese barberry
** X Berberis vulgaris — European barberry, common barberry
** X Berberis × ottawensis (B. thunbergii × B. vulgaris) — Ottawa barberry
* Berteroa
** X Berteroa incana — hoary alyssum, hoary false madwort
* Berula
** N Berula erecta — lesser water-parsnip
* Betula
** N Betula alleghaniensis — yellow birch
** N Betula cordifolia — heartleaf birch, mountain white birch, mountain paper birch
** N Betula glandulosa — American dwarf birch, glandular birch, scrub birch, dwarf resin birch, resin birch, tundra dwarf birch
** N Betula lenta — sweet birch, cherry birch
** N Betula minor — dwarf white birch
** N Betula neoalaskana — Alaska birch, Alaskan paper birch, Alaska white birch
** N Betula occidentalis — water birch, western birch, western river birch, spring birch
** N Betula papyrifera — paper birch, white birch, canoe birch
** X Betula pendula — European white birch, weeping birch, silver birch
** N Betula populifolia — grey birch, fire birch, old field birch, poverty birch
** X Betula pubescens — downy birch, European white birch
** N Betula pumila — dwarf birch, bog birch, swamp birch
** N Betula × neoborealis (B. occidentalis × B. pumila)
** N Betula × purpusii (B. alleghaniensis × B. pumila)
** N Betula × sandbergii (B. papyrifera × B. pumila) — Sandberg's birch
** N Betula × sargentii (B. glandulosa × B. pumila) — Sargent's birch

## Bi

* Bidens
** X Bidens aristosa — tickseed beggarticks
** X Bidens bipinnata — Spanish needles
** 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

## Bl

* Blephilia
** N Blephilia ciliata — downy woodmint
** N Blephilia hirsuta — hairy woodmint
* Blysmus
** N Blysmus rufus — red bulrush

## Bo

* Boehmeria
** N Boehmeria cylindrica — false nettle, bog-hemp, smallspike false nettle
* Bolboschoenus
** N Bolboschoenus fluviatilis — river bulrush, river clubrush
** N Bolboschoenus maritimus — saltmarsh bulrush, bayonet grass, saltmarsh clubrush
* Borago
** X Borago officinalis — common borage, beeplant, beebread
* Botrychium
** N Botrychium acuminatum — pointed moonwort
** N Botrychium ascendens — upswept moonwort, triangle-lobed moonwort
** N Botrychium campestre — prairie moonwort, prairie dunewort
** N Botrychium dissectum — lacyleaf grapefern, cutleaf grapefern, cutleaf moonwort
** N Botrychium hesperium — western moonwort
** N Botrychium lanceolatum — lanceleaf grapefern, triangle moonwort
** N Botrychium lunaria — common moonwort, moonwort grapefern
** N Botrychium matricariifolium — daisyleaf moonwort, matricary grapefern, matricary moonwort, chamomile grapefern
** N Botrychium minganense — Mingan's moonwort
** N Botrychium multifidum — leathery grapefern
** N Botrychium oneidense — Lake Oneida grapefern, blunt-lobed grapefern
** N Botrychium pallidum — pale moonwort
** N Botrychium pseudopinnatum — false northwestern moonwort
** N Botrychium rugulosum — St. Lawrence grapefern, rugulose grapefern, ternate grapefern
** N Botrychium simplex — little grapefern, least moonwort
** N Botrychium spathulatum — spatulate moonwort, spoonleaf moonwort
** N Botrychium virginianum — rattlesnake fern
* Bouteloua
** N Bouteloua curtipendula — sideoats grama

## Br

* Brachyelytrum
** N Brachyelytrum erectum var. erectum — bearded shorthusk
** N Brachyelytrum erectum var. glabratum — northern shorthusk
* Brasenia
** N Brasenia schreberi — watershield, purple wendock
* Brassica
** X Brassica juncea — Chinese mustard, Indian mustard, brown mustard, leaf mustard, Sarepta mustard
** X Brassica napus — rutabaga, canola, Swedish turnip, rapeseed, colza, oilseed rape, annual rape
** X Brassica nigra — black mustard
** X Brassica oleracea — cabbage, cauliflower, broccoli, kale, brussels sprouts, kohlrabi, chou broccoli
* Braya
** N Braya humilis — low northern rockcress, low braya
* Briza
** X Briza maxima — big quaking grass, large quaking grass
** X Briza media — perennial quaking grass
* Bromus
** X Bromus aleutensis — Aleut brome
** X Bromus arvensis — field brome
** X Bromus briziformis — rattlesnake brome
** X Bromus carinatus — California brome
** N Bromus ciliatus — fringed brome
** X Bromus commutatus — meadow brome, hairy brome
** X Bromus danthoniae — oat brome
** X Bromus erectus — erect brome, upright brome, meadow brome
** X Bromus hordeaceus — soft brome
** X Bromus inermis subsp. inermis — smooth brome, Hungarian brome, awnless brome
** N Bromus kalmii — Kalm's brome, prairie brome, wild chess
** N Bromus latiglumis — broad-glumed brome
** N Bromus nottowayanus — Nottoway brome grass
** N Bromus pubescens — hairy woodland brome
** N Bromus pumpellianus subsp. pumpellianus — Pumpell's brome
** X Bromus racemosus — spiked brome
** X Bromus secalinus — rye brome, cheat, chess
** X Bromus squarrosus — corn brome
** X Bromus sterilis — poverty brome
** X Bromus tectorum — cheat grass
** X Bromus × pseudothominii (B. hordeaceus × B. lepidus) — soft brome

## Bu

* Buchnera
** N Buchnera americana — bluehearts Endangered
* Buddleja
** X Buddleja davidii — butterfly bush, orange-eye, summer lilac
* Buglossoides
** X Buglossoides arvensis — corn gromwell, bastard alkanet
* Bulbostylis
** N Bulbostylis capillaris — densetuft hairsedge, threadleaf beakseed
* Bupleurum
** X Bupleurum rotundifolium — roundleaf thorowax
* Butomus
** X Butomus umbellatus — flowering rush