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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