Combination search
Looking for commercially available native plant species suitable to your state or region, try the Recommended Species page.
| scientific name | common name(s) | image gallery |
| Houstonia acerosa var. acerosa | Needleleaf Bluet | |
| Houstonia acerosa var. polypremoides | Needleleaf Bluet | |
| Houstonia correllii | Correll's Bluet Zapata County Bluet | |
| Hoffmannseggia drepanocarpa | Sicklepod Holdback | |
| Hoffmannseggia glauca | Indian Rushpea Indian Rush-pea | |
| Houstonia humifusa | Matted Bluet | |
| Houstonia rubra | Red Bluet | |
| Houstonia wrightii | Pygmy Bluet | |
| Hunnemannia fumariifolia | Mexican Tulip Poppy | |
| Hyptis alata | Clustered Bushmint | |
| Hymenopappus biennis | Biennial Woollywhite | |
| Hydrocotyle bonariensis | Largeleaf Pennywort Salt Pennywort | |
| Hypericum drummondii | Nits And Lice Drummond's St. John's-wort | |
| Hymenopappus filifolius | Fineleaf Hymenopappus | |
| Hymenopappus filifolius var. cinereus | Fineleaf Hymenopappus Fine-leaf Woolly-white | |
| Hymenopappus flavescens | Yellow Plainsman Collegeflower | |
| Hymenopappus flavescens var. flavescens | Collegeflower | |
| Hypericum gentianoides | Orangegrass Pineweed | |
| Hypericum gymnanthum | Claspingleaf St. John's-wort | |
| Hygrophila lacustris | Gulf Swampweed | |
| Hymenocallis latifolia | Perfumed Spiderlily Perfumed Spider-lily | |
| Hymenocallis liriosme | Texas Spiderlily Spring Spiderlily Spiderlily Louisiana Spiderlily Western Marsh Spiderlily | |
| Hypericum mutilum | Dwarf St. John's-wort | |
| Hymenocallis occidentalis | Northern Spiderlily Hammock Spiderlily Summer Spiderlily Woodland Spiderlily | |
| Hymenocallis occidentalis var. eulae | Henry's Spiderlily Henry’s Spider-lily | |
| Hymenocallis occidentalis var. occidentalis | Northern Spiderlily Carolina Spiderlily | |
| Hydrolea ovata | Blue Waterleaf Ovate False Fiddleleaf Hairy Hydrolea | |
| Hypericum punctatum | Spotted St. John's-wort | |
| Hymenoxys richardsonii | Pingue Rubberweed | |
| Hymenoxys richardsonii var. floribunda | Colorado Rubberweed Olivaceous Bitterweed | |
| Hypericum setosum | Hairy St. John's-wort | |
| Hydrocotyle umbellata | Manyflower Marsh-pennywort Many-flowered Marsh-pennywort Marsh Pennywort Water Pennywort Money Plant | |
| Hydrolea uniflora | Oneflower False Fiddleleaf | |
| Hymenoxys vaseyi | Vasey's Rubberweed Vasey’s Bitterweed | |
| Hybanthus verticillatus | Babyslippers Nodding Green Violet Green Violet | |
| Hymenothrix wislizeni | Trans-Pecos Thimblehead | |
| Hymenothrix wrightii | Wright's Thimblehead | |
| Impatiens capensis | Jewelweed Orange Jewelweed Spotted Touch-me-not | |
| Indigofera miniata | Scarlet Pea Coastal Indigo Texas Indigo Western Indigo | |
| Indigofera suffruticosa | Anil De Pasto | |
| Ionactis linariifolius | Flaxleaf Whitetop Aster Stiff Aster Flaxleaf Aster | |
| Ipomopsis aggregata | Scarlet Gilia Scarlet Standing-cypress Skyrocket Skunkflower | |
| Ipomopsis aggregata ssp. formosissima | Scarlet Gilia Skyrocket | |
| Ipomoea barbatisepala | Canyon Morning-glory Canyon Morning Glory Canyon Morningglory | |
| Ipomoea capillacea | Purple Morning-glory Purple Morning Glory Purple Morningglory | |
| Ipomoea costellata var. edwardsensis | Edwards Plateau Crestrib Morning-glory Edwards Plateau Crest-rib Morning-glory Edwards Plateau Crested Morning-glory | |
| Ipomoea cordatotriloba var. torreyana | Torrey's Tievine | |
| Ipomoea dumetorum | Railwaycreeper Railway-creeper | |
| Ipomoea lacunosa | Whitestar White Morning-glory Pitted Morningglory Small White Morning Glory | |
| Ipomopsis laxiflora | Iron Ipomopsis Iron Skyrocket | |
| scientific name | common name(s) | image gallery |
