Arundinaria gigantea Poaceae 690 --

Aruncus dioicus (goat's beard) Rosaceae (5 5 N 3) 219 --

Asarum canadense (wild ginger) Aristolochiaceae 041 -- 0 (3) 12 (6)

Asimina triloba (paw paw) Annonaceae (3+3 3 N N) 038 --

Asclepiadaceae (milkweed) -- Asclepias, Vincetoxicum (swallow wort)

Asclepias amplexicaulis (clasping milkweed) Asclepiadaceae ((5) 5 5 2 hypo) 371 -- greenish-purple; OE curled margins

Asclepias exaltata (poke milkweed) Asclepiadaceae ((5) 5 5 2 hypo) 371 -- cream-white; OE; moist, upland woods

Asclepias incarnata (swamp milkweed) Asclepiadaceae ((5) 5 5 2 hypo) 370 -- pink to rose-purple; OE

Asclepias lanceolata (few-flowered milkweed) Asclepiadaceae ((5) 5 5 2 hypo) 372 --

Asclepias purpurascens (purple milkweed) Asclepiadaceae ((5) 5 5 2 hypo) 372 -- purplish-red; OE

Asclepias quadrifolia (four-leaved milkweed) Asclepiadaceae ((5) 5 5 2 hypo) 372 -- pale pink or white: WE

Asclepias rubra (red milkweed) Asclepiadaceae ((5) 5 5 2 hypo) 373 -- purplish-red; OE veins nearly right angles w midrib

Asclepias speciosa (showy milkweed) Asclepiadaceae ((5) 5 5 2 hypo) 372 --

Asclepias syriaca (common milkweed) Asclepiadaceae ((5) 5 5 2 hypo) 371 -- brownish-pink; OE egg/oblong, downy beneath

Asclepias tuberosa (butterflyweed) Asclepiadaceae ((5) 5 5 2 hypo) 370 -- orange; AE narrow

Asclepias variegata (white milkweed) Asclepiadaceae ((5) 5 5 2 hypo) 372 -- white; OE

Asclepias verticillata (whorled milkweed) Asclepiadaceae ((5) 5 5 2 hypo) 370 -- greenish-white;WE linear; looks like Linaria vulgaris

Asclepias viridiflora (green milkweed) Asclepiadaceae ((5) 5 5 2 hypo) 374 -- green; OE; dry, upland woods, esp sandy

Asparagus officinalis (asparagus) Liliaceae (3 3 6 3) 801 -- plant w feathery appearance; yellow green bells hanging along brnchs

Asperula arvensis Rubiaceae ((4) 4 4 1 epi) 473 -- Asplenium montanum (mountain spleenwort) 017 -- twice-cut; opp/opp; wide-spreading stems; bluish-green fern

Asplenium pinnatifidum (lobed spleenwort) 018 -- like walking fern, but once-cut

Asplenium platyneuron (ebony spleenwort) 017 -- once-cut toothed; black rachis; opp/opp

Asplenium rhizophyllum (walking fern) 018 -- heart-shaped base, long pointed; no cuts

Asplenium ruta-muraria (wallrue spleenwort) 017 -- twice-cut; trifoliate; alt/alt

Asplenium sp. (spleenwort) Aspleniaceae -- fr dots like filled tacos

Asplenium trichomanes (maidenhair spleenwort) 018 -- once-cut, small lobed

Aster acuminatus (sharp-leaved aster) 557 -- white or purple-tinged; 10-21 rays; lvs appear whorled

Aster borealis (northern bog aster) 547 -- white, violet, or rose; 20-50; large lvs very narrow to 6", rough edged

Aster ciliolatus (northern heart-leaved aster) 551 -- blue; 12-25

Aster concolor (eastern silvery aster) 551 -- lilac; 8-16; lvs sessile, elliptical, ptd; lvs winged, long petioled

Aster cordifolius (heart-leaved aster) 552 -- blue-violet to rose; 8-20/like A divaricatus

Aster divaricatus (white wood aster) 555 -- white; 5-10; lvs coarse & sharp toothed

Aster dumosus (long-stalked aster) 550 -- pale lavender, bluish or sometimes white; 13-30; lvs bluntly toothed

Aster ericoides 550 -- white; 8-20; lvs narrow w/ rough edges

Aster gracilis (slender aster) 547 -- pale blue-violet to rose purple; 8-14

Aster infirmus (cornel-leaved aster) 558 -- white; 5-9

Aster laevis (smooth aster) 548 -- blue or violet; 15-30; stem smooth, glaucous; lvs thick, very smooth, mostly entire

Aster lanceolatus (eastern lined or panicled aster) 549 -- wh or violet-tinged; 20-40; lvs narrowly lance-shaped

Aster lateriflorus (calico aster) 550 -- wh or purple-tinged; 9-14; lvs lanceolate, few sharp teeth near middle

Aster linariifolius (stiff aster) 558 -- violet; 10-20; lvs to 1.5", stiff & numerous

Aster lowrieanus (Lowry's aster) 552 -- pale blue, blue, pinksh; 8-20; lvs w/ winged stalks

Aster macrophyllus (big-leaved aster) 559 -- rays violet or lavender; 9-20; basal lvs harsh & thick

Aster nemoralis (leafy bog aster) 557 -- lt violet-purple; 13-27; lvs very numerous to 2.5" w/rough margins

Aster novae-angliae (New England aster) 554 -- violet-purple; 45-100; hairy stem

Aster novi-belgii (New York aster) 547 -- violet; 20-50; lvs narrowly lanceolate, sl clasping

Aster patens (clasping aster) 553 -- deep violet; 15-25; stem rough, slender; lvs blunt or short-ptd, clasping

Aster paternus (toothed white-topped aster) 558 -- white; 4-8; lvs sessile, toothed only towards top

Aster pilosus 550 -- white; 16-35; uppermost lvs sharply pointed

Aster praealtus (veiny lined aster) 549 -- bluish-purple; 20-40;

Aster prenanthoides (zigzag aster) 548 -- blue-violet; 20-35; lvs clasping, winged, coarsely toothed, long ptd

Aster puniceus (purple-stemmed aster) 547 -- wh, blue or pale-violet, lilac; 30-60; lvs clasping base

Aster racemosus (small-headed aster) /Heliantheae 550 -- white; 15-30; lvs narrowly lanceolate, obscurely toothed

Aster radula (low rough aster) 556 -- violet; 15-40; lvs broadly lance-shaped, sharply toothed, rough

Aster sagitarifolius (arrow-leaved aster) 552 -- white, blue, or pinkish; 8-20; lf stalk barely winged

Aster schreberi (Schreber's aster) 547 -- white; 6-14; rectangle lf base notch

Aster solidagineus (narrowleaved white-topped aster) 558 -- white; 3-6 rays

Aster sp. (aster) Asteraceae --

Aster spectabilis (showy aster) --

Aster subulatus (annual salt marsh aster) 559 -- purplish; lvs narrowly lanceolate

Aster tenuifolius (perennial salt marsh aster) 558 -- pale-purple to white; 15-25; lvs fleshy, long, narrow

Aster tradescantii (shore aster) 549 -- white; 15-30; lvs sessile, narrowly lanceolate, ptd

Aster umbellatus (tall flat-topped white aster) 557 -- white; 7-14; lvs entire, lanceolate, ptd

Aster undulatus (clasping heart-leaved aster) 553 -- lt blue-violet; 10-20; lvs sl toothed, enlarged, clasping base

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