senegal L., Senegalia senegal (L.) Britton),
361
Gumweed (Curly-Cup Gumweed, Grindelia);
Grindelia squarrosa (Pursh) Dunal, 362
Gymnema (Miracle Fruit); Gymnema sylvestre
(Retz.) Schult., 363
HHairy Strophanthus (Brown Strophantus);
Strophanthus hispidus DC., 365
Haronga (Dragon’s Blood Tree); Harungana
madagascariensis Lam. ex Poir. (Synonyms:
Haronga madagascariensis (Lam. ex Poir.)
Choisy), 365
Hartstongue; Asplenium scolopendrium L. var.
scolopendrium (Synonym: Phyllitis
scolopendrium (L.) Newm, Scolopendrium
vulgare Sm.), 366
Hawthorn; Crataegus spp., 367
Heart of Jesus (Caladium, Elephant’s Ear, Fancy-Leaf
Caladium); Caladium bicolor (Aiton) Vent.
(Synonyms: Arum bicolor Aiton, Caladium x
hortulanum Birdsey), 369
Heather (Ling, Red Heath, Scotch Heather); Calluna
vulgaris (L.) Hull., 369
Heavenly Bamboo (Sacred Bamboo, Southern
Heaven Bamboo); Nandina domestica
Thunb., 370
Hedge Bindweed, Greater Bindweed (Bindweed,
Wild Morning-Glory); Calystegia sepium
(L.) R. Br. (Synonym: Convolvulus sepium
L.), 370
Hedge Hyssop (Gratiola); Gratiola officinalis L., 371
Hedge Mustard (Tumble Mustard); Sisymbrium
officinale (L.) Scop. (Synonym: Erysimum
officinale L.), 371
Heliotrope (Barooga Weed, Caterpillar Weed,
European Heliotrope); Heliotropium
europaeum L., 372
Hemlock (Canadian Hemlock, Eastern Hemlock);
Tsuga canadensis (L.) Carrière (Synonyms:
Abies canadensis var. gracilis Waterer ex
Gordon, Picea canadensis (L.) Link, Pinus
canadensis L., Tsuga canadensis f. fastigiata
(Beissner) C. K. Schneid., T. canadensis f.
gracilis (Waterer ex Gordon) Beissner), 372
Hemp Agrimony; Eupatorium cannabinum L., 372
Hemp Nettle; Galeopsis sp., 373
Henbane (Black Henbane, Hog’s Bean, Stinking
Nightshade); Hyoscyamus niger L., 373
Henna (Jamaica Mignonette, Mignonette Tree);
Lawsonia inermis L. (Synonym: Lawsonia
alba Lam.), 374
Herb Paris; Paris quadrifolia L., 375
Herb Robert (Mountain Geranium); Geranium
robertianum L., 376
Hercules’ Club (American Angelicatree, Devil’s
Walking Stick, Prickly Ash); Aralia spinosa
L., 376
Hierba Santa; Piper auritum Kunth., 377
Himalayan Fir; Abies spectabilis (D. Don) Spach
(Synonyms: Abies webbiana Lindl., Pinus
spectabilis D. Don, P. webbiana Wall. ex
Lamb.), 377
Holly, American Holly (White Holly); Ilex opaca Sol.
ex Aiton, 378
Hollyhock; Alcea rosea L. (Synonyms: Althaea
ficifolia (L.) Cav., Althaea rosea (L.) Cav.),
378
Holy Basil (Sacred Basil); Ocimum tenuiflorum L.
(Synonym: O. sanctum L.), 379
Homalomena; Homalomena spp., 380
Honey Herb (Mexican Lippia); Phyla scaberrima
(Juss. ex Pers.) Moldenke (Synonyms: Lippia
dulcis Trevir., Zapania scaberrima Juss. ex
Pers.), 380
Honey Locust; Gleditsia triacanthos L., 381
Honeysuckle; Lonicera caprifolium L. (Not in
GRIN), 381
Hops (Bine, European Hop); Humulus lupulus L., 382
Horny Goat Weed, Barrenwort, Yinyanghuo;
Epimedium spp., 384
Horse Chestnut; Aesculus hippocastanum L.
(Synonym: A. hippocastanum f. memmingeri
(K. Koch) Schelle), 385
Horsemint (Dotted Monarda, Spotted Bee Balm);
Monarda punctata L., 387
Horseradish; Armoracia rusticana P. Gaertn. et al.
(Synonyms: A. lapathifolia Gilib. ex Usteri,
Cochlearia armoracia L., Nasturtium
armoracia (L.) Fr., Radicula armoracia (L.)
B. L. Rob., Rorippa armoracia (L.) Hitchc.),
388
Horseradish Tree (Benzolive Tree, Drumsticktree,
Moringa, West Indian Ben); Moringa oleifera
Lam. (Synonyms: Guilandina moringa L.,
Moringa moringa (L.) Small, M.
pterygosperma Gaertn.), 389
Horsetail (Field Horsetail); Equisetum arvense L.,
391
Horseweed, Fleabane, Canadian Fleabane
(Butterweed, Canadian Horseweed,
Hogweed); Conyza canadensis (L.)
Cronquist (Synonym: Erigeron canadensis
L.), 392
Hottentot Fig; Carpobrotus edulis (L.) L. Bolus
(Synonym: Mesembryanthemum edule L.),
393
Hound’s Tongue; Cynoglossum officinale L., 393