Bidens bidentoides (southern estuarine beggar ticks) Asteraceae/Heliantheae 507 -- lvs simple; discoid fls

Bidens bipinnata (spanish needles) Asteraceae/Heliantheae 508 -- lvs divided; discoid fls; lflts more fern-like

Bidens cernua (nodding bur marigold) Asteraceae/Heliantheae 506 -- lvs simple; ray fls

Bidens comosa (strawstem beggar tick) Asteraceae/Heliantheae -- lvs simple, discoid fls; long petioles

Bidens connata (swamp beggar ticks) Asteraceae/Heliantheae 507 -- lvs simple; discoid fls; lvs trilobed

Bidens coronata (northern beggar ticks) Asteraceae/Heliantheae 508 -- lvs divided; ray fls; 7 lflts

Bidens discoidea (few-bracted beggar tick) Asteraceae/Heliantheae -- lvs divided; discoid fls; trifoliate lvs

Bidens eatonii (northeastern estuarine beggar tick) Asteraceae/Heliantheae -- lvs simple; discoid fls

Bidens frondosa (devil's beggar ticks) Asteraceae/Heliantheae 507 -- lvs divided; discoid fls; trifoliate lvs

Bidens hyperborea (northern estuarine beggar ticks) Asteraceae/Heliantheae 506 -- lvs simple; discoid or ray fls

Bidens laevis (larger or showy bur marigold) Asteraceae/Heliantheae 506 -- lvs simple; ray flrs; lvs look perfoliate near top

Bidens polylepis 15. (Ozark beggar ticks) Asteraceae/Heliantheae 508 -- lvs divided; ray fls; outer invol bracts 12-25; 9 lflts

Bidens vulgata (tall beggar ticks) Asteraceae/Heliantheae 507 -- lvs divided; discoid fls; 5 lflts

Bignonia capreolata (cross vine) Bignoniaceae ((5) (5) 2+2 1 hypo) 462 -- MD s. Lflts 2, entire, oblong or egg-shaped Bignoniaceae (trumpet creeper) -- Bignonia, Campsis (trumpet-creeper), Catalpa, Paulownia (empress tree)

Blephilia ciliata Lamiaceae ((5) (5) 2 1) 429 -- lt purple; OT egg, stalkless or short-stalked; whitish beneath

Blephilia hirsuta Lamiaceae ((5) (5) 2 1) 429 0 -- lt purple; OT egg, long-stalked

Boehmeria cylindrica (false nettle) Urticaceae (0 4 4 0/0 2-4 0 1) 71 -- fr. in ball-like clusters

Boltonia asterioides Asteraceae/Astereae 562 -- around lime ponds

Boraginaceae (borage) -- Anchusa, Borago, Echium, Heliotropium, Mertensia, Onosmodium, Symphytum

Boraginaceae (cor salverform-tube) -- Anchusa, Cynoglossum, Hackelia, Lappula, Lithospermum, Myosotis

Borago officinalis (borage) Boraginaceae ((5) (5) 5 1 hypo) 402 --

Botrychium dissectum (cut-leaved grapefern) -- blade w/ long stalk attached below mid-stem

Botrychium lanceolatum (lance-leaved grapefern) -- blade w long stalk attached below mid-stem

Botrychium matricariifolium (daisy-leaved grapefern) -- blade w long stalk attached below mid-stem

Botrychium simplex (little grapefern) -- blade small, not much dissected

Botrychium sp. (grapefern) Ophioglossaceae 008 --

Botrychium virginianum (rattlesnake grapefern) 009 -- blade sessile, attached mid-stem

Bouteloua curtipendula (tall gramma grass) Poaceae 750 --

Brachyelytrum erectum (long-awned wood grass) Poaceae 692 -- puny looking infl hugging at end of stem; long awn; wide pale green lvs

Brasenia schreberi (water shield) Cabombaceae (3/4 3/4 12-18/36 48) 044 -- dull purple; oval, complete, floating lvs, stalk attached to lf center

Brassica juncea (Indian or Chinese mustard) Brassicaceae (4 4 4+2 1) 162 -- stem often w/ whitish bloom; fls yellow

Brassica nigra (black mustard) Brassicaceae (4 4 4+2 1) 162 -- green stem w/ scattered hairs; frs appressed to stem; fls yellow

Brassica rapa (field mustard) Brassicaceae (4 4 4+2 1) 162 -- upper lvs sessile & clasping; fls yellow

Brassicaceae (mustard) frs w/ 2 unlike members -- Brassica, Cakile, Eruca, Sinapsis, Rhaphanus

Brassicaceae (mustard) fr flattened at right angles -- Capsella, Cardaria, Coronopus, Isatis, Lepidum, Subularia, Teesdalia, Thlaspi

Brassicaceae frs short&broad - Alyssum/Armoracia/Berteroa/Bunias/Camelina/Cardaria/Descurainia/Draba/Lobularia/Myagrum/Neslia/Rorippa

Brassicaceae fr long & slender -- Cardamine Descurainia

Brassicaceae pets yellow, present -- Barbarea, Brassica, Conringia, Descurainia, Draba, Eruca, Erucastrum, Erysimum, Rorripa, Sisymbrium

Brassicaceae pets not yellow -- Alliaria, Arabis, Arabidopsis, Chorispora, Conringia, Draba, Hesperis, Rorippa

Briza maxima (big quaking grass) Poaceae 701 --

Briza media (perennial quaking grass) Poaceae 700 --

Briza minor (little quaking grass) Poaceae 700 --

Bromus altissimus (tall brome grass) Poaceae 721 -- VH*; med awn; hairy sheaths

Bromus arvensis (cultivated brome grass) Poaceae 723 -- GL3-5; long awns; long twisting pedicels

Bromus brizaeformis (rattlesnake brome grass) Poaceae722-- GL3-5; Vd; nodding; spklts like hanging pinecones; short awns; lemmas vry brd 2-6dm

Bromus ciliatus (fringed brome grass) Poaceae 721 -- VH*; nodding; long branches; med awns; like tectorum but lvs only hairy at sheath opening

Bromus commutatus (hairy chess brome grass) Poaceae 723 -- GL3-5; like B. secalinus but blades more or less pubescent; long awns

Bromus erectus (erect brome grass) Poaceae 722 -- GL*; med awns

Bromus hordeaceus (brome grass) Poaceae 722 -- GL3-5; Vd; med awns

Bromus inermis (smooth brome grass) Poaceae 721 -- GL*; Christmas tree, erect, thicker; short awns; spikes not very hairy

Bromus japonicus (Japanese brome grass) Poaceae 724 -- GL3-5; Vd; nodding, med awns

Bromus kalmii (Kalm's brome grass) Poaceae 721 -- VH*; nodding, sl; very short awns

Bromus pubescens (pubescent brome grass) 722 -- formerly B. purgans -- GL*; med awns

Bromus racemosus (upright brome grass) Poaceae 722 -- VH3-5; not in NJ; panicle contracted; lemmas glabrous; long awns

Bromus rigidus (ripgut brome grass) Poaceae 724 -- SH1; nodding; very long awns; spikelets larger

Bromus rubens (foxtail brome grass) Poaceae 723 -- VH1; longs awns; looks like an obpyramidal foxtail grass; panicle dense 1-5dm

Bromus secalinus (rye-like brome grass) Poaceae 723 -- GL3-5; Vd; short awns

Bromus sp. -- spikelets VH (very hairy); SH (slightly hairy); GL (glabrous) *=awns shorter than the lemmas or none; 3/5=1st glume 3 or 5 veined; 1=1st glume us 1-veined; Vd (veined)

Bromus squarrosus (spreading-tipped brome grass) Poaceae 722 -- GL3-5; Vd; spreading med awns; lemmas very broad 2-6dm

Bromus sterilis (barren brome grass) Poaceae 724 -- GL1; parallel long awns, flat topped; first glume 7-14 mm

Bromus tectorum (downy chess brome grass) Poaceae 723 -- VH1; nodding; lvs very fuzzy; long awns; common; 1st glume 5-7mm; 2-7dm

Bromus willdenowii (rescue brome grass) Poaceae 721 -- SH; short awns; occ escape

Buchnera americana Scrophulariaceae/Buchnereae ((5) (5) 2+2 1 stigmas 2) 452 --

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