H

Habenaria blephariglottis (white fringed orchid) 821 --

Habenaria ciliaris (yellow fringed orchid) 821 --

Habenaria clavellata (club spur orchid) 819 --

Habenaria cristata (crested fringed orchid) 821 --

Habenaria dilatata (tall white bog orchid) 820 --

Habenaria flava (tubercled orchid) 819 --

Habenaria hookeri (hooker's orchis) 821 -- yellow-green fls w/ a naked stem; BE thick & fleshy

Habenaria hyperborea (tall northern bog orchid) 819 --

Habenaria lacera (ragged fringed orchis) 822 --

Habenaria obtusata (blunt-leaved orchis) 820 -- greenish-white, spurred fls in loose raceme; BE egg

Habenaria orbiculata (large round-leaved orchis) 820 -- greenish-white fls; stem w/ l+ small bracts; BE ovate, shining

Habenaria peramoena (purple fringeless orchid) 822 --

Habenaria psycodes (smaller purple fringed orchid) 822 --

Habenaria sp. (orchid) Orchidaceae (2+1z 3 1-2 3) --

Habenaria viridis (bracted orchid) 819 --

Hackelia deflexa (stickseed) Boraginaceae ((5) (5) 5 1 hypo) 398 --

Hackelia virginiana (Virginia stickseed) Boraginaceae ((5) (5) 5 1 hypo) 398 -- whitish, tiny, axillary; AE basal lvs large; stem fine hairy Haemodoraceae (bloodwort) -- Lachnanthes (red root), Lophila (gold crest)

Halenia deflexa (spurred gentian) Gentianaceae ((4) 4 4 1) -- fls greenish or purplish w/ 4 downward-pointing spurs; lvs OE egg or lance

Haloragaceae (water milfoil) -- Myriophyllum (water milfoil); Proserpinaca (mermaid weed)

Hamamelis virginiana (witch-hazel) Hamamelidaceae 068 --

Hamamelidaceae (witch hazel) -- Hamamelis (witch hazel); Liquidambar (sweetgum)

Hedeoma hispida Lamiaceae ((5) (5) 2+2 1) 412 --

Hedeoma pulegioides (American pennyroyal) Lamiaceae ((5) (5) 2 1) 412 -- bluish fls, very small; lvs .5-1.5" long, OT/OE

Hedera helix (English ivy) Araliaceae (5 5 5 1 epi) 343 --

Hedyotis caerulea (bluets) Rubiaceae ((4) 4 4 1 epi) 470 -- fls pale blue or white; lvs OE ellip w/ basal rosette

Hedyotis longifolia (long-leaved bluets) Rubiaceae ((4) 4 4 1 epi) 469 -- OE lance/oblong, 1-veined

Hedyotis uniflora Rubiaceae ((4) 4 4 1 epi) 470 --

Helenium amarum (narrow-leaved sneezeweed) Asteraceae/Heliantheae 499 -- disk yellow; AE linear, numerous; fields & roadsides

Helenium autumnale (common sneezeweed) Asteraceae/Heliantheae 499 -- stem winged

Helenium flexuosum (southern sneezeweed) Asteraceae/Heliantheae 499 -- disk brown or purple; AT; stem winged

Helenium sp. (sneezeweed) Asteraceae/Heliantheae 499 -- disk knob-shaped; rays wedge-shaped, 3-toothed, drooping Helianthemum bicknellii (Bicknell's frostweed) Cistaceae (5 5 10-50 1or0) 140

Helianthemum canadense (frostweed) Cistaceae (5 5 10-50 1or0) 139 -- yellow, wedge-shaped pets; AE lance; dry, sandy soil

Helianthemum dumosum Cistaceae (5 5 10-50 1or0) 139

Helianthemum propinquum Cistaceae (5 5 10-50 1or0) 140 --

Helianthus angustifolius (narrow-leaved sunflower)494--red-prple disk; stem hairy; AE/OE sessile, almost linear, stiff lvs w/ axillary stipules; wet or damp pls

Helianthus annuus (common sunflower) 489 -- annual; rec flat 3-6"; red-purple disk; AT fat subcordate

Helianthus decapetalus (thin-leaved sunflower) 490 -- yllw disk; stm glabrous below infl; OT egg, thin, smth, green beneath

Helianthus divaricatus (woodland sunflower) 490 -- yellow disk; stem glabrous below infl; OT spear; lower lf stlks undr 1/4"

Helianthus giganteus (tall or giant sunflower) 493 -- yllw disk; stm glabrous or hairy; fl bracts lng-pntd; OT lance; swamps

Helianthus grosseserratus (sawtooth sunflower) 494 -- yellow disk; stem glabrous below infl; mid & upper AT lance

Helianthus microcephalus (small-headed sunflower) 491 -- yellow disk; rays 5-8; stem glabrous below infl; OT lance

Helianthus mollis (ashy sunflower) 491 -- yellow disk; rays 16-35; stem hairy; OE/OT sessile; occ here

Helianthus pauciflorus (stiff sunflower) 493 -- red-prpl disk; smaller heads; stem glabrous below infl; OE/OT taper bth ends

Helianthus petiolaris (plains sunflower) 490 -- annual; rec flat; smaller heads; red-purple disk; OE spear, lf stalk hairy

Helianthus sp. (sunflower) Asteraceae/Heliantheae --

Helianthus strumosus (pale-leaved sunflower) 490 -- yellow disk; stem glabrous below infl; stem w whitish bloom; OT spear

Helianthus tuberosus (Jerusalem artichoke) 492 -- yellow disk; stem hairy; OT egg, coarsely

Helianthus x laetiflorus (showy sunflower) -- yllw dsk; stm glabrous below infl; fl brcts blunt/short-pntd; OT fat lance; dry Helictotrichon pubescens Poaceae 709 --

Heliopsis helianthoides (sunflower everlasting) Asteraceae/Heliantheae 503 --

Heliotropium europaeum (European heliotrope) Boraginaceae ((5) (5) 5 1 hypo) 395 --

Helleborus viridis (green hellebore) Ranunculaceae (0 5 N 1) 045 --

Helonias bullata (swamp pink) Liliaceae (3 3 6 3) 786 -- Hemerocallis fulva (tawny day flower) Liliaceae (3 3 6 3) 789

Hemerocallis lilioasphodelus Liliaceae (3 3 6 3) 789 -- Hemianthus micranthemoides Scrophulariaceae ((5) (4) 2 2) 441 --

Hepatica americana (round-lobed hepatica) Ranunculaceae (0 5-12 ? N) 050 -- Heracleum lanatum (cow parsnip) Apiaceae (5 5 5 2) 357 -- base of lvs enlarged into a clasping sheath; stem woolly

Heracleum sphondylium Apiaceae (5 5 5 2) 358 -- casual waste pls. Herniaria glabra Caryophyllaceae (0 5 5 1) 107

Hesperis matronalis (dame's rocket) Brassicaceae (4 4 4+2 1) 179 -- lvs AT; fr very long pods

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