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 |
| Hymenopappus artemisiifolius | Oldplainsman Woolly-white Old Plainsman | |
| Hymenopappus artemisiifolius var. artemisiifolius | Oldplainsman | |
| Hymenopappus artemisiifolius var. riograndensis | Oldplainsman | |
| Hymenopappus biennis | Biennial Woollywhite | |
| Hydrocotyle bonariensis | Largeleaf Pennywort Salt Pennywort | |
| Hymenopappus carrizoanus | Carrizo Sands Woollywhite | |
| Hypericum cistifolium | Roundpod St. John's-wort | |
| Hypericum crux-andreae | St. Peter's-wort Atlantic St. Peter's-wort St. Peter's Cross St. John's-wort | |
| Hypericum densiflorum | Bushy St. John's-wort | |
| 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. canotomentosus | Collegeflower Yellow Woollywhite | |
| Hymenopappus flavescens var. flavescens | Collegeflower | |
| Hypericum frondosum | Cedarglade St. John's-wort Golden St. John's-wort | |
| Hypericum galioides | Bedstraw St. John's Wort Bedstraw St. John's-wort Bedstraw St. Johnswort | |
| Hypericum gentianoides | Orangegrass Pineweed | |
| Hypericum gymnanthum | Claspingleaf St. John's-wort | |
| Hypoxis hirsuta | Common Goldstar Yellow Star-grass Eastern Yellow Star-grass | |
| Hypericum hypericoides | St. Andrew's-cross | |
| Hypericum hypericoides ssp. hypericoides | St. Andrew's-cross | |
| Hypericum hypericoides ssp. multicaule | St. Andrew's-cross | |
| Hygrophila lacustris | Gulf Swampweed | |
| Hymenocallis latifolia | Perfumed Spiderlily Perfumed Spider-lily | |
| Hymenocallis liriosme | Texas Spiderlily Spring Spiderlily Spiderlily Louisiana Spiderlily Western Marsh Spiderlily | |
| Hypericum lobocarpum | Five-lobe St. John’s-wort Five-lobed St. John's Wort Fivelobe St. Johnswort | |
| Hymenoclea monogyra | Singlewhorl Burrobrush | |
| Hypericum mutilum | Dwarf St. John's-wort | |
| Hypericum nudiflorum | Early 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 | |
| Hymenoxys odorata | Bitter Rubberweed | |
| Hydrolea ovata | Blue Waterleaf Ovate False Fiddleleaf Hairy Hydrolea | |
| Hypericum pauciflorum | Few-flower St. John's Wort Few-flower St. John's-wort Fewflower St. Johnswort | |
| Hymenoxys perpygmaea | Pygmy Prairiedawn Pygmy Prairie Dawn | |
| Hypericum prolificum | Shrubby St. John's-wort | |
| Hydrocotyle prolifera | Whorled Marshpennywort | |
| Hypericum pseudomaculatum | False Spotted St. Johnswort | |
| Hypericum punctatum | Spotted St. John's-wort | |
| Hydrocotyle ranunculoides | Floating Marshpennywort Floating Marsh-Pennywort Floating Marsh Pennywort Floating Pennyroyal | |
| Hymenoxys richardsonii | Pingue Rubberweed | |
| Hypoxis rigida | Savannah Star Grass Stiff Star Grass Stiff Star-grass Yellow Star Grass | |
| Hymenoxys richardsonii var. floribunda | Colorado Rubberweed Olivaceous Bitterweed | |
| Hymenopappus scabiosaeus | Carolina Woollywhite Woolly-white Old Plainsman | |
| Hymenopappus scabiosaeus var. corymbosus | Carolina Woollywhite Old Plainsman | |
| Hymenopappus scabiosaeus var. scabiosaeus | Carolina Woollywhite | |
| Hypericum setosum | Hairy St. John's-wort | |
| Hypoxis sessilis | Glossyseed Yellow Star Grass Glossyseed Yellow Star-grass Yellow Star Grass | |
| Hydrolea spinosa | Spiny False Fiddleleaf Prickly False Fiddleleaf Water Leaf | |
| Hypericum sphaerocarpum | Roundseed St. John's-wort | |
| Hymenopappus tenuifolius | Chalk Hill Hymenopappus Chalkhill Woolywhite | |
| Hymenoxys texana | Texas Prairie Dawn Prairie Dawn Prairiedawn Texas Prairie Dawn-flower | |
| 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 | |
| Hydrocotyle verticillata | Whorled Marshpennywort | |
| Hydrocotyle verticillata var. verticillata | Whorled Marshpennywort Water-pennywort Pennywort Money-plant | |
| Hymenothrix wislizeni | Trans-Pecos Thimblehead | |
| Hymenothrix wrightii | Wright's Thimblehead | |
| Hypoxis wrightii | Wright's Star-grass | |
| Ibervillea lindheimeri | Balsam Gourd Lindheimer's Globeberry Globe Berry Snake-apple Balsam-apple | |
| Ibervillea tenuisecta | Slimlobe Globeberry Cutleaf Globe Berry | |
| Ilex ambigua | Carolina Holly Sand Holly Possum Holly | |
| Ilex cassine | Dahoon | |
| Ilex cassine var. latifolia | Dahoon | |
| Ilex coriacea | Baygall Bush Large Gallberry Gallberry Tall Inkberry Holly Inkberry Holly Shining Inkberry Inkberry | |
| Ilex decidua | Possumhaw Possumhaw Holly Deciduous Holly Meadow Holly Prairie Holly Swamp Holly Welk Holly Deciduous Yaupon Bearberry Winterberry | |
| Ilex glabra | Inkberry Gallberry | |
| Ilex longipes | Chapman Holly Georgia Holly | |
| Ilex myrtifolia | Myrtle Dahoon Myrtle Leaf Holly Myrtle Holly | |
| Ilex opaca | American Holly White Holly Prickly Holly Evergreen Holly Christmas Holly Yule Holly | |
| Ilex opaca var. opaca | American Holly Christmas Holly Evergreen Holly Prickly Holly White Holly Yule Holly | |
| Ilex verticillata | Common Winterberry Winterberry Michigan Holly Black Alder | |
| Ilex vomitoria | Yaupon Yaupon Holly Cassina | |
| Imperata brevifolia | California Satintail | |
| Impatiens capensis | Jewelweed Orange Jewelweed Spotted Touch-me-not | |
| Indigofera lindheimeriana | Lindheimer's Indigo | |
| Indigofera miniata | Scarlet Pea Coastal Indigo Texas Indigo Western Indigo | |
| Indigofera suffruticosa | Anil De Pasto | |
| Ionactis linariifolius | Flaxleaf Whitetop Aster Stiff Aster Flaxleaf Aster | |
| Iodanthus pinnatifidus | Purplerocket Purple Rocket Purple-rocket Violet-rocket | |
| Ipomopsis aggregata | Scarlet Gilia Scarlet Standing-cypress Skyrocket Skunkflower | |
| Ipomopsis aggregata ssp. formosissima | Scarlet Gilia Skyrocket | |
| Ipomoea alba | Moonflower Moon Vine Tropical White Morning Glory | |
| Ipomoea barbatisepala | Canyon Morning-glory Canyon Morning Glory Canyon Morningglory | |
| Ipomoea capillacea | Purple Morning-glory Purple Morning Glory Purple Morningglory | |
| Ipomoea cardiophylla | Heartleaf Morning-glory | |
| Ipomoea costellata | Crestrib Morning-glory Crest-rib Morning-glory Crested Morning-glory | |
| Ipomoea cordatotriloba | Tievine Purple Bindweed Morning Glory | |
| Ipomoea cordatotriloba var. cordatotriloba | Tievine Sharp-pod Morning Glory Purple Bindweed Tie Vine | |
| 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 cristulata | Transpecos Morning-glory Scarlet Creeper Trans-Pecos Morning Glory | |
| Ipomoea dumetorum | Railwaycreeper Railway-creeper | |
| Ipomopsis havardii | Havard's Ipomopsis | |
| Ipomoea hederifolia | Scarlet Creeper | |
| Ipomoea imperati | Beach Morning-glory Beach Morning Glory | |
| scientific name | common name(s) | image gallery |
