Rubus phoenicolasius (wineberry raspberry) 231 --

Rubus recurvicaulis (Blanchard's dewberry) 232 -- rooting; cliffs, disturbed sandy habitats; trifoliate

Rubus setosus (bristly blackberry) 232 -- not much armature; stem and lf stalks bristly

Rubus sp. (blackberry) Rosaceae (5 5 N 1 peri/epi) -- Rudbeckia fulgida (eastern coneflower) 495 --

Rudbeckia heliopsidis (piney woods coneflower) 496 --

Rudbeckia hirta var. pulcherrima (black-eyed susan) 495 -- pappus none; lf football shape, very hairy

Rudbeckia hirta var. speciosa (black-eyed susan) 495 -- oval, coarsely toothed

Rudbeckia laciniata (green-headed coneflower) 497 -- lvs very cut

Rudbeckia sp. (coneflower) Asteraceae/Heliantheae --

Rudbeckia subtomentosa (sweet coneflower) 496 -- lvs tri-lobed

Rudbeckia triloba (thin-leaved coneflower) 496 -- lvs tri-lobed, very hairy

Ruellia caroliniensis (Carolina ruellia) Acanthaceae ((5) (5) 4 1 hypo) 460 --

Ruellia humilis (low ruellia) Acanthaceae ((5) (5) 4 1 hypo) 460 --

Ruellia pedunculata (panicled ruellia) Acanthaceae ((5) (5) 4 1 hypo) 459 -- fls blue-lavender

Ruellia strepens (rustling ruellia) Acanthaceae ((5) (5) 4 1 hypo) 459 -- moist woods

Rumex acetosella (field sorrel) 113

Rumex altissimus (pale dock) 114

Rumex conglomeratus (clustered dock) 115

Rumex crispus (curled dock) 114 -- wavy margin lvs; fr edges merely curved

Rumex maritimus (golden dock) 115 -- wavy margin lvs;

Rumex obtusifolius (broad-leaved dock) 115 -- wavy margin lvs; fr edges w/ curled appendages

Rumex orbiculatus (great water dock) Polygonaceae -- flat lvs

Rumex pallidus (white dock) 114 -- flat lvs, whitish bloom

Rumex patientia (patience dock) 114

Rumex pulcher (fiddle dock) 114

Rumex salicifolius (willow-leaved dock) 114

Rumex sp. (dock) Polygonaceae (0 3+3 6 3 perf/unisex) --

Rumex verticillatus (swamp dock) 114 -- flat lvs

Ruppia maritima (ditch grass) Ruppiaceae (0 0 2 4) 613 -- inconsp fls; lvs linear; saline or brackish water

Ruta graveolens (common rue) Rutaceae (4or5 4or5 8or10 1) 336 -- greenish-yellow inflex pets

Rutaceae (rue) -- Ptelea (hop tree), Ruta (rue), Zanthoxylum (prickly ash)

S

Sabatia angularis (angled marsh pink) Gentianaceae ((5) 5 5 1) 362 -- 5 pink fls; branches chiefly opp.; OE lvs

Sabatia campanulata (slender marsh pink) Gentianaceae ((5) 5 5 1) 362 -- 5 pink w/ yellow eye fls; branches of infl alt; OE lvs

Sabatia difformis (marsh pink) Gentianaceae ((5) 5 5 1) 362 -- 5 white fls; branches opp; OE lvs; wet pine barrens

Sabatia dodecandra (twelve-stemmed marsh pink) Gentianaceae ((9-12) 9-12 9-12 1) 363 -- 9-12 fls, pink, red & yellow at base; OE lvs

Sabatia kennedyana (Kennedy's marsh pink) Gentianaceae ((9-12) 9-12 9-12 1) 363 -- 9-12 fls, pink, red & yellow at base; cal lobes linear; OE lvs

Sabatia stellaris (annual marsh pink) Gentianaceae ((5) 5 5 1) 363 -- 5 pink w/ yellow eye fls; branches of infl alt; OE lvs; salt/brachish marshes

Sagina decumbens (pearlwort) Caryophyllaceae (5 5 10 10) 100 -- 3-10 cm; w/o persistent basal rosette

Sagina nodosa (pearlwort) Caryophyllaceae (5 5 10 10) 100 -- petals nearly twice as long as sepals; 5-15 cm

Sagina procumbens (pearlwort) Caryophyllaceae (4 4 8 8) 100 -- 2-10 cm; often w/ basal rosette; lvs mucronate or shortly aristate

Sagittaria australis (broad-leaved arrowhead) 604 --

Sagittaria cuneata (northern arrowhead) 604 --

Sagittaria engelmanniana (Engelmann's arrowhead) 603 --

Sagittaria graminea (grass-leaved arrowhead) 605 -- lvs not arrow-shaped

Sagittaria latifolia (broad-leaved arrowhead) 604 --

Sagittaria rigida (sessile-fruited arrowhead) 603 --

Sagittaria sp. (arrowhead) Alismataceae (3 3 7-N 0/3 3 0 ?) --

Sagittaria spathulata (tidal arrowhead) 602 -- lvs not arrow-shaped; lvs round & septate

Sagittaria subcordatum (somewhat heart-shaped arrowhead) 603 --

Sagittaria subulata (Hudson arrowhead) 602 -- lvs not arrow-shaped; lvs round & septate

Sagittaria teres (quill-leaved arrowhead) 605 -- lvs not arrow-shaped Salicaceae (willow) -- Populus (poplar); Salix (willow)

Salicornia bigelovii (dwarf glasswort) Chenopodiaceae (0 5 1or2 2 perf or pistillate) 093 -- scales below the spike mucronate

Salicornia europaea (European glasswort) Chenopodiaceae (0 5 1or2 2 perf or pistillate) 093 -- spike joints not as evident, mostly longer than thick

Salicornia virginica (Virginia glasswort) Chenopodiaceae (0 5 1or2 2 perf or pistillate) 092 -- single stems from rhizome

Salix alba (white willow) 155 -- glabrous fr; sparingly escaped

Salix amygdaloides (peach-leaf willow) Salicaceae (0 x 3-8 2stigmas) -- shrub or tree; glabrous fr;

Salix babylonica (weeping willow) 156 -- glabrous fr; twigs pendulous

Salix bebbiana (beaked willow) 156 -- shrub/small tree; pbscnt fr; lvs egg, glaucous & rugose beneath; twigs brownish

Salix candida (willow) -- shrub; pubescent fr;

Salix caprea (goat willow) -- lvs broad-ovate to oblong to 4"; sl toothed or entire; gray pubescent beneath; catkins before lvs

Salix discolor (pussy willow) 159 -- shrub/small tree; pubescent fr; lvs variable, softly hairy beneath; branches reddish

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