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Boot’s Wood-fern
Dryopteris ×boottii (pro sp.) ✍
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Bristly Sarsaparilla
Aralia hispida
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Border Grass
Liriope muscari ‘Christmas Tree’ ✍
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British Soldiers
Cladonia cristatella
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Boreal Beard Lichen
Usnea subfloridana ✍
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British Soliders
Cladonia cristatella
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Boreal Oakmoss
Evernia mesomorpha
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Brittlebush
Encelia farinosa
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Borego Aster
Xylorhiza orcuttii
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Broad Beech Fern
Phegopteris hexagonoptera ✍
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Bottle Brush
Callistemon cv. ‘King’s Park Special’
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Broad Waterleaf
Hydrophyllum canadense ✍
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Bottle Gentian
Gentiana andrewsii
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Broad loose-flowered sedge
Carex laxiflora ✍
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Bottle Palm
Hyophorbe lagenicaulis ✍
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Broad-leaved Arrowhead
Sagittaria latifolia
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Bottle Palm
Beaucarnea recurvata
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Broad-leaved Asarabaccais
Asarum canadense
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Bottle Stopper
Eriogonum inflatum
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Broad-leaved Aster
Symphyotrichum cordifolium
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Bottlebrush
Callistemon citrinus
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Broad-leaved Dock
Rumex obtusifolius
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Bottlebrush, Crimson
Callistemon citrinus
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Broad-leaved Everlasting-pea
Lathyrus latifolius ✍
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Bougainvillea
Bougainvillea spectabilis
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Broad-leaved Goldenrod
Solidago flexicaulis
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Bougainvillea, Great
Bougainvillea spectabilis
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Broad-leaved Helleborine
Epipactis helleborine ✍
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Bouncing Bet
Saponaria officinalis
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Broad-leaved Wood Violet
Viola sororia
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Bower, Virgin’s
Clematis virginiana
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Broadleaf Arrowhead
Sagittaria latifolia
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Bowman’s Root
Gillenia trifoliata ‘Pink Profusion’ ✍
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Broadleaf Cattail
Typha latifolia
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Bowman’s Root
Gillenia trifoliata ✍
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Broadleaf Hawthorn
Crataegus dilatata
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Box-huckleberry
Gaylussacia brachycera
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Broadleaf Speedwell
Veronica austriaca ssp. teucrium ✍
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Box-leaved whortleberry
Gaylussacia brachycera
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Broadleaf Toothwort
Cardamine diphylla ✍
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Boxberry
Gaultheria procumbens
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Broadleaved Sedge
Carex platyphylla ✍
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Boxelder
Acer negundo
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Brome, False
Brachyelytrum erectum
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Boxelder Maple
Acer negundo
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Bromeliad, Blushing
Neoregelia ‘Donger’
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Boxelder, California
Acer negundo
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Bromeliad, Blushing
Neoregelia carolinae
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Boxelder, Western
Acer negundo
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Bromeliad, Blushing
Neoregelia carolinae ‘Tricolor’
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Boxing-glove Cactus
Cylindropuntia fulgida var. fulgida
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Bromeliad, Imperial
Alcantarea imperialis ✍
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Boxing-glove Cholla
Cylindropuntia fulgida var. fulgida
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Broom Crowberry
Corema conradii ✍
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Boykinia, Sierra
Boykinia major ✍
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Broom Forkmoss
Dicranum scoparium ✍
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Bracken Fern
Pteridium arachnoideum ✍
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Broom Snakeweed
Gutierrezia sarothrae ✍
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Bracted Blazing Star
Liatris bracteata ✍
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Broom, Common
Cytisus scoparius ✍
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Brake, Meadow
Onoclea sensibilis
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Broom, Scotch
Cytisus scoparius ✍
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Bran Lichen
Parmeliopsis hyperopta ✍
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Broom-Wood
Melochia pyramidata ✍
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Branched Pencil Cholla
Cylindropuntia ramosissima
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Broomrape, Naked
Orobanche uniflora
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Braun’s Holly Fern
Polystichum braunii ✍
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Broomrape, Small
Orobanche minor ✍
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Brazil Red Cloak
Megaskepasma erythrochlamys ✍
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Broomsage
Lepidospartum latisquamum ✍
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Brazilian Prickly Pear
Brasiliopuntia brasiliensis ✍
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Broomweed
Gutierrezia sarothrae ✍
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Brazilian Rain Tree
Chloroleucon tortum
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Brown Dragon
Arisaema triphyllum
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Brazilian Twin Palm
Syagrus cearensis ✍
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Brown Knapweed
Centaurea jacea ✍
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Breath of Heaven
Coleonema pulchellum ‘Sunset Gold’
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Brown Mustard
Brassica juncea
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Breech, Bear’s
Acanthus mollis
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Brown Woolly Sedge
Scirpus cyperinus ✍
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Breeches, Dutchman’s
Dicentra cucullaria
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Brown-spine Prickly Pear
Opuntia phaeacantha
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Breeches, Dutchman’s
Dicentra canadensis ✍
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Brownish Beaksedge
Rhynchospora capitellata ✍
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Bride’s Feathers
Aruncus dioicus var. dioicus
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Brush Cherry
Syzygium paniculatum
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Bridge’s Penstemon
Penstemon rostriflorus ✍
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Brush, Barranca
Ceanothus verrucosus ✍
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Brinkadora
Cylindropuntia fulgida var. fulgida
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Brush, Bottle
Callistemon cv. ‘King’s Park Special’
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Bristlecone Pine
Pinus longaeva
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Brush, Deer
Ceanothus integerrimus ✍
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Bristlegrass, Green
Setaria viridis
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Buckbean
Menyanthes trifoliata ✍
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Bristlegrass, Yellow
Setaria pumila
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Buckeye, Red
Aesculus pavia
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Bristly Clubmoss
Lycopodium annotinum ✍
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Buckhorn
Plantago aristata ✍
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Bristly Lady’s Thumb
Polygonum cespitosum ✍
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Buckhorn Cholla
Cylindropuntia acanthocarpa
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