Common name | Botanical name |
1. Hair Cap Moss | Polytrichum juniperum |
2. Hairy Bittercress | Cardamine hirsuta |
3. Hairy Cucumber | Cucumis chate |
4. Hairy Hollyhock | Alcea rugosa |
5. Hairy manzanita | Arctostaphylos columbiana |
6. Hairy Puccoon | Lithospermum caroliniense |
7. Haldu | Adina cordifolia Haldina cordifolia |
8. Halfa grass, Big cordgrass | Desmostachya bipinnata |
9. Hamburg Parsley | Petroselinum crispum var. radicosum |
10. Hamelia | Hamelia patens |
11. Hana-Myoga | Alpinia japonica |
12. Hapusha | Sphaeranthus indicus Lin. |
13. Hardhack | Spiraea douglasii Spiraea menziesii Spiraea tomentosa |
14. Hardy Begonia | Begonia grandis |
15. Harebell | Campanula rotundifolia |
16. Hare's Ear Treacle Mustard | Erysimum orientale |
17. Hare's Tail | Lagurus ovatus |
18. Haronga Tree | Haronga madagascariensis |
19. Hart's Tongue | Phyllitis scolopendrium |
20. Harvest Brodiaea | Brodiaea coronaria Brodiaea elegans |
21. Hautbois Strawberry | Fragaria moschata |
22. Hawkbit, Autumnal | Leontodon autumnalis |
23. Hawkbit, Rough | Leontodon hispidus |
24. Hawk's Beard | Crepis rubra |
25. Hawkweed Ox-tongue | Picris hieracioides |
26. Hawthorn | Crataegus laevigata Crataegus oxyacantha |
27. Hawthorn, Black | Crataegus douglasii |
28. Hawthorn, Common | Crataegus monogyna |
29. Hazel | Corylus avellana |
30. Hazel, Giant | Corylus maxima |
31. Headed Chinese Cabbage | Brassica pekinensis |
32. Heartleaf Arnica | Arnica cordifolia |
33. Heartleaf Oxeye | Telekia speciosa |
34. Heart-leaved twayblade | Listera cordata |
35. Heartsease | Viola tricolor |
36. Heath | Erica umbellata Erica x darleyensis |
37. Heath Aster | Aster ericoides |
38. Heath Banksia | Banksia ericifolia |
39. Heath, Cornish | Erica vagans |
40. Heath, Cross-leafed | Erica tetralix |
41. Heath, Portuguese | Erica lusitanica |
42. Heath, Scotch | Erica cinerea |
43. Heath, Spanish | Erica australis |
44. Heath, Tree | Erica arborea Erica x veitchii |
45. Heath, Winter | Erica carnea |
46. Heather | Calluna vulgaris |
47. Hedge Bedstraw | Galium molugo |
48. Hedge Hyssop | Gratiola officinalis |
49. Hedge Mustard, Common | Sisymbrium officinale |
50. Hedge plant | Jatropha curcas |
51. Hedge Woundwort | Stachys sylvatica |
52. Hedgehog Broom | Erinacea pungens |
53. Heimia | Heimia salicifolia |
54. Helecterus | Helecterus isora |
55. Heliconia, Purple | Heliconia bourgaeana |
56. Heliotrope | Heliotropium peruvianum |
57. Heliotrope, Fragrant | Heliotropium arborescens |
58. Hellebore, Black | Helleborus niger Helleborus officinalis (Greek) |
59. Hellebore, False, Black | Veratrum nigrum |
60. Hellebore, False, California | Veratrum californicum |
61. Hellebore, Green | Helleborus viridis Veratrum viride |
62. Hellebore, White | Veratrum album |
63. Hemlock Spruce | Tsuga canadensis |
64. Hemlock Water Dropwort | Oenanthe crocata |
65. Hemlock, Mountain | Tsuga mertensiana |
66. Hemlock, Water | Cicuta mackenzieana Cicuta virosa |
67. Hemlock, Western | Tsuga heterophylla |
68. Hemp | Cannabis chinense |
69. Hemp Agrimony, Common | Eupatorium cannabinum |
70. Hemp Nettle | Galeopsis tetrahit |
71. Hemp palm | Chamaerops excelsa Trachycarpus excelsa Trachycarpus fortunei |
72. Hemp, Indian | Cannabis sativa |
73. Hen and chicks pot marigo | Calendula officinalis var. prolifera |
74. Henbane, Black | Hyoscyamus niger |
75. Henbane, Egyptian | Hyoscyamus muticus |
76. Henbane, Russian | Hyoscyamus albus |
77. Henbit Dead-nettle | Lamium amplexicaule |
78. Henna | Lawsonia inermis Lawsonia alba |
79. Herald's Trumpet | Beaumontia grandiflora |
80. Herb Paris | Paris quadrifolia |
81. Herb Robert | Geranium robertianum |
82. Hers' maple | Acer hersii |
83. Hibiscus | Hibiscus furcatus |
84. Hibiscus, Blue | Alyogyne huegelii Hibiscus huegelii |
85. Highbush-cranberry | Viburnum trilobum |
86. Highland Bent | Agrostis castellana |
87. Hijau Salad Amaranth | Amaranthus mangostanus |
88. Hijiki | Hizikia fusiforme |
89. Hill Chirata | Ophelia angustifolia |
90. Hill Colocynth of India | Cucumis hardwickii |
91. Hill Glory Bower | Clerodendron infortunatum |
92. Hill haw, Chinese | Crataegus cuneata |
93. Hinoki | Chamaecyparis obtusa |
94. Hoary Groundsel | Senecio erucifolius |
95. Hog Weed, Pig Weed, Horse Purslane | Boerhaavia diffusa |
96. Hog's Fennel | Peucedanum officinale |
97. Hogweed | Heracleum sphondylium |
98. Hogweed, Giant | Heracleum mantegazzianum |
99. Holarrhena | Holarrhena antidysenterica |
100. Holly | Ilex aquifolium |
101. Holly Fern, Giant | Polystichum munitum |
102. Holly, Appalachian | Ilex vomitoria |
103. Holly, Berry | Ilex opaca |
104. Holly, Brazil | Ilex gongonha Ilex theezans |
105. Holly, Chinese | Ilex cornuta |
106. Holly, Dahoon | Ilex dahoon |
107. Holly, Japanese | Ilex crenata |
108. Hollyhock | Alcea rosea Althaea rosea |
109. Hollyhock, Black | Alcea rosea var. nigra |
110. Holly-leaved Grevillea | Grevillea aquifolium |
111. Holostemma | Holostemma ada-kodien |
112. Holy Ghost | Angelica archangelica |
113. Holy Leaf | Piper auritum |
114. Holy Thistle | Cnicus benedictus |
115. Honesty Plant | Lunaria annua |
116. Honey Eucalyptus | Eucalyptus melliodora |
117. Honey Locust | Gleditsia triacanthos |
118. Honeysuckle | Lonicera xylosteum Lonicera brachypoda repens (Japan) Lonicera tatarica (Siberia) |
119. Honeysuckle, Amur | Lonicera maackii |
120. Honeysuckle, Bush | Lonicera diervilla |
121. Honeysuckle, French | Hedysarum coronarium |
122. Honeysuckle, Hiary | Lonicera hispidula |
123. Honeysuckle, Italian | Lonicera caprifolium |
124. Honeysuckle, Japanese, | Lonicera brachypoda Lonicera chinensis Lonicera confusa Lonicera flexuosa Lonicera japonica |
125. Honeysuckle, Trumpet, Western | Lonicera ciliosa |
126. Honeysuckle, Utah | Lonicera utahensis |
127. Honeysuckle, Wild, English | Lonicera periclymenum |
128. Honeywort | Cerinthe major |
129. Hooker's fairybells | Disporum hookeri |
130. Hooker's onion | Allium acuminatum |
131. Hop | Humulus lupulus |
132. Hop Plant | Origanum sipyleum |
133. Hop, Japanese | Humulus japonicus |
134. Hopea | Hopea glabra Hopea parviflora Hopea ponga Mabberley |
135. Horehound, Black | Ballota nigra |
136. Horehound, Dwarf | Marrubium supinum |
137. Horehound, Greek | Ballota acetabulosa |
138. Horehound, Pompon, Green | Marrubium vulgare |
139. Horehound, Silver | Marrubium incanum |
140. Horehound, White | Marrubium vulgare |
141. Horehound, Wild | Eupatorium teucrifolium |
142. Hornbeam, European | Carpinus betulus |
143. Horned Poppy | Glaucium flavum |
144. Horned Rampion | Phyteuma |
145. Horned spindleberry | Euonymus cornutus |
146. Horse Chestnut | Aesculus hippocastanum Aesculus indica Aesculus octandra Aesculus parviflora |
147. Horse Chestnut, Pink | Aesculus x carnea |
148. Horse gram, Twin Flower | Dolichos biflorus Linnea borealis |
149. Horse-eye Beans | Mucuna urens |
150. Horsemint, American | Monarda punctata |
151. Horsenettle | Solanum carolinense |
152. Horseradish | Armoracia rusticana |
153. Horsetail | Equisetum arvense |
154. Hound's Tongue | Cynoglossum officinale |
155. Houseleek | Sempervivum tectorum |
156. Houses, Chinese | Collinsia heterophylla |
157. Howell's brodiaea | Brodiaea howellii Triteleia howellii |
158. Huckleberry, Black | Vaccinium membranaceum |
159. Huckleberry, Blue-leaved | Vaccinium deliciosum |
160. Huckleberry, California | Vaccinium ovatum |
161. Huckleberry, Red | Vaccinium parvifolium |
162. Hugonia | Hugonia belli |
163. Huisache | Acacia farnesia |
164. Humboldtia (a legume) | Humboldtia bourdilloni Humboldtia decurrens Humboldtia laurifolia |
165. Humboldt's Sunray | Helipterum humboldtianum |
166. Husk Tomato | Physalis |
167. Hydnocarpus | Hydnocarpus alpina Wight |
168. Hydrangea | Hydrangea arborescens |
169. Hydrangea, Garden | Hydrangea hortensis |
170. Hydrophilia | Hydrophilia spinosa |
171. Hygrophila | Hygrophila auriculata |
172. Hyssop | Agastache scrophulariaefolia Hyssopus officinalis |
173. Hyssop, Giant | Agastache urticifolia |
174. Hyssop, Water | Bacopa monnieri |
175. Hysteronica | Hysteronica baylahuen |