| Hercinothrips femoralis |
|
| Herculia nostralis |
|
| Hermetia illucens |
|
| Herpetogramma phaeopteralis |
Tropical Sod Webworm |
| Heterocypris or Hemicypris? |
|
| Heuchera sanguinea |
Coralbells; Coral Bells |
| Hexadella racovitzai |
|
| Hexaplex trunculus |
Banded Dye-Murex; |
| Hibana velox |
Sac Spider |
| Hibiscus arnottianus |
Hawaiian White Hibiscus |
| Hibiscus diversifolius |
Prickly Hibiscus |
| Hibiscus mutabilis |
Confederate Rose; Changeable Rose |
| Hibiscus rosa-sinensis |
Shoeblackplant; Hibiscus |
| Hibiscus schizopetalus |
Campanilla; Chandelier Hibiscus |
| Hibiscus syriacus |
Rose of Sharon; Althaea; Rose of Sharon |
| Hippeastrum |
January Lily; James Lily |
| Hippeastrum leopoldii |
Amaryllis |
| Hippeastrum puniceum |
American Belladonna; Barbados Lily; Barbadoes Lily |
| Hippeastrum reginae |
Mexican Lily |
| Hippeastrum vittatum |
Common Amaryllis |
| Holmskioldia sanguinea |
Chinese Hat Plant |
| Hoplandrothrips |
|
| Hordeum pusillum |
Little Barley |
| Hordeum vulgare |
Barley |
| Horismenus sardus |
|
| Horismenus texanus |
|
| Howardia biclavis |
Mining Scale |
| Howea belmoreana |
Curly Palm |
| Howea forsteriana |
Sentry Palm |
| Hoya carnosa |
Wax Plant |
