Eupatorium pilosum (rough boneset) 572 -- 5 fls/head; white; wet soil

Eupatorium purpureum (sweet-scented joe-pye-weed) 568 -- pale pink; stem purple at joints; WT

Eupatorium resinosum (resinous joe pye weed) 569 -- 9 fls/head; OT long lance, sessile; pine barrens

Eupatorium rotundifolium (round-leaved boneset) 571 -- 5 fl/head; OT sessilve ovate

Eupatorium rotundifolium v. ovatum (hairy boneset) 571 -- 5 fl/head; OT sessile, finely toothed

Eupatorium rugosum (white snake root) 569 -- 9 fls/head;

Eupatorium serotinum (late-flowering boneset) 569 -- 9 fls/head; white; chevorn lvs, long petioles

Eupatorium sessilifolium (upland boneset) 570 -- 5 fl/head; lvs OT, sessile, fat bottom lance

Eupatorium sp. (Joe-pye-weed) Asteraceae/Eupatorieae Euphorbia corollata (flowering spurge) Euphorbiaceae/A (0 0 1 1 unisex) 318 -- wh; appendages wh, conspic; AE whorl of lvs stem top, oblong

Euphorbia cyparissias (cypress spurge) Euphorbiaceae/E (0 0 1 1 unisex) 317 -- invol glands crescent-shaped; fat linear leaves

Euphorbia dentata (toothed spurge) Euphorbiaceae/P (0 0 1 1 unisex) 317 --

Euphorbia esula (leafy spurge) Euphorbiaceae/E (0 0 1 1 unisex) 317 -- invol glands crescent-shaped

Euphorbia exigua (small-leaved spurge) Euphorbiaceae/E (0 0 1 1 unisex) 316 -- invol glands crescent-shaped

Euphorbia glyptosperma (ridge-seed spurge) Euphorbiaceae/C (0 0 1 1 unisex) 320 -- stem & lfs pubescent; dry, sandy soil

Euphorbia helioscopia (sun spurge) Euphorbiaceae/E (0 0 1 1 unisex) 315 -- invol glands roundish

Euphorbia hirta (spurge) Euphorbiaceae/C (0 0 1 1 unisex) -- young stems pubescent; rarely adventive

Euphorbia humistrata (spurge) Euphorbiaceae/C (0 0 1 1 unisex) 321 -- young stems pubescent; moist, alluvial soil

Euphorbia ipecacuanhae (Ipecac spurge) Euphorbiaceae/A (0 0 1 1 unisex) 318 -- appendages green

Euphorbia lathyrus (myrtle spurge) Euphorbiaceae/E (0 0 1 1 unisex) 316 -- invol glands crescent-shaped

Euphorbia lucida (shining spurge) Euphorbiaceae/E (0 0 1 1 unisex) 317 -- invol glands crescent-shpd; lvs pinnately veined; Eurp, rarely established

Euphorbia maculata (spotted spurge) Euphorbiaceae/C (0 0 1 1 unisex) 320 -- young stems pubescent; purple spot on lvs

Euphorbia marginata (snow on the mountain spurge) Euphorbiaceae/A (0 0 1 1 unisex) 319 -- lvs sharp-ptd; prairies & plains

Euphorbia nutans (eyebane spurge) Euphorbiaceae/C (0 0 1 1 unisex) 320 -- young stems pubescent; dry or moist soil

Euphorbia peplus (petty spurge) Euphorbiaceae/E (0 0 1 1 unisex) 317 -- invol glands crescent-shaped; larger lvs egg-shaped

Euphorbia platyphyllos (broad leaved spurge) Euphorbiaceae/E (0 0 1 1 unisex) 315 -- invol glands roundish

Euphorbia polygonifolia (seaside spurge) Euphorbiaceae/C (0 0 1 1 unisex) 319 -- stem & lvs glabrous; sandy beaches

Euphorbia prostrata (spurge) Euphorbiaceae/C (0 0 1 1 unisex) 320 -- young stems pubescent; rarely adventive

Euphorbia purpurea (purple sedge) Euphorbiaceae/E (0 0 1 1 unisex) 315 -- invol glands roundish

Euphorbia serpens (round-leaved spurge) Euphorbiaceae/C (0 0 1 1 unisex) 319 -- stem & lvs glabrous; moist, alluvial soils

Euphorbia serpyllifolia (thyme-leaved spurge) Euphorbiaceae/C (0 0 1 1 unisex) 320 -- stem & lvs glabrous; dry, rocky soil

Euphorbia sp. Euphorbiaceae -- A=Agaloma (opp); C=Chamaesyce (opp); E=Esula (alt); P=poinsettia (opp)

Euphorbia vermiculata (spurge) Euphorbiaceae/C (0 0 1 1 unisex) 320 -- young stems pubescent; fields, roadsides, waste pls.

Euphrasia officinalis (eye bright) Scrophulariaceae/Euphrasieae ((5) (5) 2+2 1 stigma 1) 456 -- wh w prpl lines; lower lobes notced in center Euphorbiaceae (spurge) -- Acalypha, Croton, Crotonopsis, Euphorbia, Mercuralis, Ricinus (castor bean)

Euthamia graminifolia (grass-leaved goldenrod) Asteraceae/Astereae 545 -- 3-nerved lvs; heads broader 20-35 fls

Euthamia tenuifolia (slender-leaved goldenrod) Asteraceae/Astereae 545 -- 1-nerved lvs; heads narrower 10-21 fls

F

Fabaceae (stamens wholly distinct) -- Baptisia

Fabaceae (anthers of 2 forms) -- Crotalaria, Cytisus, Genista, Lupinus, Ononis, Stylonsanthes, Ulex

Fabaceae (anthers uniform) -- Amorpha, Amphicarpaea, Anthyllis, Apios, Astragalus, Clitoria, Coronilla, Dalea, Desmodium, Galactia, Lathyrus,

Lespedeza, Lotus, Medicago, Melilotus, Onobrychis, Ornithopus, Phaseolus, Pueraria, Robinia, Strophostyles, Tephrosia, Trifolium, Vicia, Wisteria

Fagaceae (beech) -- Castanea (chestnut); Fagus (beech); Quercus (oak)

Fagopyrum esculentum (buckwheat) Polygonaceae (5 t 8 3) 124 -- white; AE arrow or triangular

Fagopyrum tataricum Polygonaceae (5 t 8 3) 124 --

Fagus grandifolia (American beech) Fagaceae 075

Falcaria vulgaris Apiaceae (5 5 5 2) 348 -- Festuca brachyphylla (short leaf fescue) Poaceae 696 --.2-3mm wide lvs, involute;short awns

Festuca elatior (tall fescue grass) Poaceae 695 -- 3-12mm wide flat lvs; w/ bulges at node;larger lemmas 5-9 mm

Festuca filiformis Poaceae 696 -- .2-3mm wide involute lvs; lawns & waste pls.

Festuca gigantea Poaceae 695 -- 6-18mm wide flat lvs; like F. pratensis; long awns; larger lemmas 5-9 mm; adventive

Festuca ovina (sheep fescue grass) Poaceae 696 -- .2-3mm wide involute lvs; wiry blue-green basal lvs; sheaths open to base

Festuca pratensis (meadow fescue) Poaceae 695 -- 3-12mm wide flat lvs; auriculate leaf base; larger lemmas 5-9 mm

Festuca rubra (red fescue grass) Poaceae 697 -- .2-3mm wide involute lvs; basal shths soon disintegrating into fibers (dk at base); short awns

Festuca sp. -- 2-15 fld; panicles

Festuca subverticillata (nodding fescue grass) Poaceae 695 -- 3-12mm wide flat lvs; scattered spikelets in infl; larger lemmas 3-5 mm

Festuca trachyphylla (hard fescue grass) Poaceae 696 -- .2-3mm wide involute lvs; short awns

Filago germanica (herbia impia) Asteraceae/Inuleae 563 -- white heads; AE linear or lance-linear; disturbed sites Fimbristylis annua (annual fimbristylis) Cyperaceae 644 -- spikelets on elongate rays; spikelets slender, linear-oblong to lanceolate

Fimbristylis autumnalis (autumnal fimbristylis) Cyperaceae 643 -- style trifid (only 1 of the spp.); moist or wet, often disturbed sites; infl looks busy & confused

Fimbristylis caroliniana (carolina fimbristylis) Cyperaceae 643 -- scapes flattened & scabrous-edged above; most submaritime

Fimbristylis castanea (chestnut fimbristylis) Cyperaceae 643 -- brackish coastal marshes

Fimbristylis puberula (puberulent fimbristylis) Cyperaceae 644 -- scapes terete or broadly oval, smooth; widespread

Fimbristylis sp. (fimbristylis) Cyperaceae -- achene without subtending bristles

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