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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