Buddleja davidii (butterfly bush) Buddlejaceae ((4) (4) 4 1 super or half inf) 434 --
Bulbostylis capillaris Cyperaceae 644 -- sev fl clusters at stem top; wiry stem green then brown or orange; wiry basal lvs; dry, open pls
Bunias orientalis Brassicaceae (4 4 4+2 1) 167 --
Bupleurum fontanesii Apiaceae (5 5 5 2) 352 -- lvs lanceolate, sharpened; pets yellowish or gr-yellow
Bupleurum lancifolium Apiaceae (5 5 5 2) 352 --
Bupleurum rotundifolium (thoroughwax) Apiaceae (5 5 5 2) 352 -- stem lvs peltate, ovate, ptd
Buxaceae (boxwood) -- Pachysandra
C
Cabomba caroliniana (fanwort) Cabombaceae ( 3/4 3/4 3-6 3-6) 044 -- lvs w/ distinct petiole
Combaceae (water shield) -- Brasenia (water shield); Cabomba (fanwort)
Cacalia atriplicifolia (pale Indian plantain) Asteraceae/Senecioneae 527 -- whitish; stem round, glaucous; AL broad, pale beneath
Cacalia plantaginea (tuberous Indian plantain) Asteraceae/Senecioneae 528 -- whitish in flat clusters; AE basal oval or egg
Cacalia muehlenbergii (great Indian plantain) Asteraceae/Senecioneae 527 -- whitish; AL stem angled & grooved
Cacalia suaveolens (hastate Indian plantain) Asteraceae/Senecioneae 527 -- whitish; AL triangular, halberd
Cactaceae (cactus) -- Opuntia (prickly pear cactus)
Caesalpiniaceae (caesalpinia) -- Cercis (red bud), Chamaecrista (partridge pe), Gleditsia (honey locust), Gymnocladus, Senna
Cakile edentula (sea rocket) Brassicaceae (4 4 4+2 1) 164
Cakile maritima (European sea rocket) Brassicaceae (4 4 4+2 1) 164
Calamagrostis canadensis (blue joint grass) Poaceae 716 -- infl loose, sprdng; 1 fl; spike-lk panicle; ligule torn above opening
Calamagrostis epigejos (feathertop grass) Poaceae 714
Calamagrostis cinnoides Poaceae 715
Calamagrostis lacustris Poaceae 716
Calamagrostis perplexa Poaceae 717
Calamagrostis pickeringii Poaceae 715
Calamagrostis stricta Poaceae 715
Calamovilfa brevipilis (pine barrens reed grass) Poaceae 745 -- one-flowered; swamps & bogs
Calla palustris (wild calla) Araceae (spathe & spadix) 615 -- large, white spathe w/ dense, knob-shaped spadix of grnish fls at base; BE; bogs
Callicarpa americana (American beauty berry) Verbenaceae ((5) (5) 2+2 1 hypo) 407 --
Callicarpa dichotoma (Chinese beauty berry) Verbenaceae ((5) (5) 2+2 1 hypo) 407 --
Callitriche anceps (water starwort) -- lvs filiform (looks like thread jumbled-up)
Callitriche hermaphroditica (water starwort) -- lvs linear, all 1-nerved; plant wholly submerged; ponds & slow streams
Callitriche heterophylla (water starwort) -- lvs spatulate; quiet water
Callitriche palustris (water starwort) -- lvs fat linear; cluster of lvs at top look flower-like; quiet water
Callitriche sp. (water starwort) Callitrichaceae (0 0 1 1or2) 431 --
Callitriche stagnalis (water starwort) -- lvs spatulate; cold ponds & streams
Callitriche terrestris (water starwort) -- multi-stemmed from one point; plants terrestrial
Calluna vulgaris (heather) Ericaceae ((4) 4 8 1) 190 -- shrub; lvs tiny, needlelike; fls pink in one-sided spikes; sandy of peaty soil
Calopogon tuberosus (grass pink) Orchidaceae (2+1z 3 1-2 3) 824 -- magenta-pink fls; a single grass-like lf near the base; acid bogs & swamps
Caltha palustris (marsh marigold) Ranunculaceae (0 5-9 N 1) 045 -- 5-9 br yellow seps, no pets; AT heart-shaped
Calycanthaceae (strawberry-shrub) -- Calycanthus (Carolina-allspice)
Calycanthus floridus (Carolina allspice) Calycanthaceae 038 -- 15-30 t 10-20/25 N
Calypso bulbosa (calypso) Orchidaceae (2+1z 3 1-2 3) 826 --
Calystegia hederacea (Japanese bindweed) Convolvulaceae ((5) 5 5 1) 385 -- roadside escape
Calystegia sepium (hedge bindweed) Convolvulaceae ((5) 5 5 1) 385 -- fls white or pink; lvs normally w/ square lobes at base
Calystegia spithamaea (low bindweed) Convolvulaceae ((5) 5 5 1) 385 --
Camassia scilloides (eastern camass) Liliaceae (3 3 6 3) 786 --
Camelina microcarpa (small seed false flax) Brassicaceae (4 4 4+2 1) 181 -- plant rough-hairy; fr somewhat keeled along suture; yellow fls
Camelina sativa (large-seed false flax) Brassicaceae (4 4 4+2 1) 181 -- plant sparsely hairy or glabrate; spatulate; yellow fls
Campanula americana (tall bellflower) 465 -- blue cor rotate; fls in elongate terminal spikes
Campanula aparinoides (marsh bellflower) 465 -- pale blue to wh fls; stems weak, vry slender, 3-angled
Campanula glomerata (clustered bellflower) 465 -- blue-violet fls sessile in an involucrate, terminal glomerule
Campanula patula (bellflower) 464 -- Eurp escape; minutely roughened stem
Campanula rapunculoides (rover bellflower) 465 -- blue fls short-pediceled in an erect, slender, secund raceme
Campanula rotundifolia (harebell bellflower) 464 -- blue fls in nodding, racemiform infl; stem lvs vry narrow, AE;
Campanula sp. (bellflower) Campanulaceae ((5) 5 5 3-5)
Campanula trachelium (throatwort bellflower) 464 --
Campanulaceae (bellflower) -- Campanula, Lobelia, Triodanis
Campsis radicans (trumpet creeper) Bignoniaceae ((5) (5) 2+2 1 hypo) -- lflts long-pointed; red or orange trumpet-shaped fls
Cannabaceae (Indian hemp) -- Cannabis (Indian hemp); Humulus (hops)
Cannabis sativa (hemp) Cannabaceae (0 5 5 0/0 5 0 1) 070 --
Capparaceae (caper) -- Cleome (spider flower); Polanisia (clammy weed)
Caprifoliaceae (honeysuckle) -- Diervilla, Lonicera, Sambucus (elderberry), Symphoricarpus, Triosteum, Viburnum
Capsella bursa-pastoris (shepherd's purse) Brassicaceae (4 4 4+2 1) 167 -- fr heart-shaped or triangular
Cardamine angustata (Appalachian toothwort) Brassicaceae (4 4 4+2 1) 172 -- faintly pinkish-lavender
Cardamine concatenata (cut-leaved toothwort) Brassicaceae (4 4 4+2 1) 171 -- OD, stem lvs 3, lance, deeply toothed
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