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 |
| Grindelia squarrosa var. squarrosa | Curlycup Gumweed | |
| Gymnocarpium ×brittonianum | Oak Fern Oakfern | |
| Gymnocladus dioicus | Kentucky Coffeetree Stump Tree | |
| Gymnocarpium dryopteris | Western Oakfern Northern Oak Fern | |
| Hasteola suaveolens | False Indian Plantain Sweet Indian Plantain | |
| Hackelia virginiana | Beggarslice Beggar's-lice Stickseed Sticktight Wild Comfrey Virginia Stickseed | |
| Hamamelis virginiana | Witch-hazel American Witch-hazel Common Witch-hazel Winterbloom Snapping Hazelnut Striped Alder Spotted Alder Tobacco-wood Water-witch | |
| Helenium amarum | Yellow Sneezeweed Bitterweed Yellow Bitterweed Yellowdicks Slender-leaved Sneezeweed Fine-leaved Sneezweed Yellow Dog-fennel | |
| Heuchera americana | American Alumroot Alumroot | |
| Helenium amarum var. amarum | Yellow Bitterweed Yellowdicks | |
| Heuchera americana var. americana | American Alum-root American Alumroot | |
| Helianthus annuus | Common Sunflower Annual Sunflower | |
| Helenium autumnale | Common Sneezeweed Fall Sneezeweed Autumn Sneezeweed | |
| Helenium autumnale var. autumnale | Common Sneezeweed | |
| Helianthemum bicknellii | Hoary Frostweed Bicknell's Hoary Rock-rose Bicknell's Rock-rose Plains Frostweed | |
| Helianthemum canadense | Longbranch Frostweed Frostweed Rock Frost Frostplant Frostwort | |
| Helianthus decapetalus | Thinleaf Sunflower Ten-petaled Sunflower Thin-leaved Sunflower Pale Sunflower | |
| Helianthus debilis | Cucumberleaf Sunflower Cucumber-leaf Sunflower Beach Sunflower | |
| Helianthus debilis ssp. cucumerifolius | Cucumberleaf Sunflower | |
| Helianthus divaricatus | Woodland Sunflower Rough Sunflower | |
| Helianthus ×divariserratus | Sunflower | |
| Helianthemum dumosum | Bushy Frostweed Bushy Rockrose Bushy Rush-rose | |
| Heteranthera dubia | Grassleaf Mudplantain Water Stargrass | |
| Helenium flexuosum | Purplehead Sneezeweed Purple-head Sneezeweed | |
| Helianthus giganteus | Giant Sunflower | |
| Helianthus grosseserratus | Sawtooth Sunflower | |
| Heliopsis helianthoides | Smooth Oxeye Oxeye Sunflower False Sunflower | |
| Heliopsis helianthoides var. helianthoides | Smooth Oxeye | |
| Heliopsis helianthoides var. occidentalis | Smooth Oxeye | |
| Hedeoma hispida | Rough False Pennyroyal | |
| Helianthus hirsutus | Hairy Sunflower Rough Sunflower | |
| Helianthus ×laetiflorus | Cheerful Sunflower | |
| Helianthus ×luxurians | Sunflower | |
| Helianthus maximiliani | Maximilian Sunflower Max Sunflower | |
| Heracleum maximum | Common Cowparsnip Cow Parsnip | |
| Helianthus microcephalus | Small Woodland Sunflower | |
| Helianthus mollis | Ashy Sunflower Downy Sunflower | |
| Hepatica nobilis | Hepatica | |
| Hepatica nobilis var. acuta | Sharplobe Hepatica Sharp-lobed Hepatica Mountain Hepatica | |
| Hepatica nobilis var. obtusa | Roundlobe Hepatica Round-lobed Hepatica Liverleaf | |
| Helianthus pauciflorus | Stiff Sunflower Prairie Sunflower | |
| Helianthus pauciflorus ssp. pauciflorus | Stiff Sunflower | |
| Helianthus pauciflorus ssp. subrhomboideus | Stiff Sunflower | |
| Helianthus petiolaris | Prairie Sunflower Plains Sunflower | |
| Helianthus petiolaris ssp. petiolaris | Prairie Sunflower | |
| Helianthemum propinquum | Creeping Frostweed Low Frostweed | |
| Hedeoma pulegioides | American False Pennyroyal | |
| Heteranthera reniformis | Kidneyleaf Mudplantain Kidney-leaf Mud-plantain | |
| Helianthus strumosus | Paleleaf Woodland Sunflower Paleleaf Sunflower Woodland Sunflower | |
| Heterotheca subaxillaris | Camphorweed Camphor Weed | |
| Helianthus tuberosus | Jerusalem Artichoke Sunchoke | |
| Hieracium canadense | Canadian Hawkweed | |
| Hieracium gronovii | Queendevil | |
| Hieracium kalmii var. fasciculatum | Canadian Hawkweed | |
| Hieracium kalmii var. kalmii | Kalm's Hawkweed | |
| Hieracium marianum | Maryland Hawkweed | |
| Hibiscus moscheutos | Crimson-eyed Rose-mallow Marshmallow Hibiscus | |
| Hierochloe odorata | Sweetgrass Vanilla Grass Sweet Grass | |
| Hieracium paniculatum | Allegheny Hawkweed | |
| Hieracium scabrum | Rough Hawkweed | |
| Hieracium scabrum var. scabrum | Rough Hawkweed | |
| Hieracium venosum | Rattlesnakeweed Rattlesnake Weed | |
| Houstonia caerulea | Azure Bluet Quaker Ladies Bluets | |
| Hottonia inflata | American Featherfoil Featherfoil | |
| Hordeum jubatum | Foxtail Barley | |
| Hordeum jubatum ssp. jubatum | Foxtail Barley Squirreltail Barley Skunktail | |
| Houstonia longifolia | Longleaf Summer Bluet Pale Bluets | |
| Honckenya peploides | Seaside Sandplant | |
| Honckenya peploides ssp. robusta | Seaside Sandplant | |
| Hordeum pusillum | Little Barley | |
| Houstonia purpurea | Venus's Pride Large Houstonia Woodland Bluets Purple Bluets Mountain Bluets | |
| Houstonia purpurea var. calycosa | Venus' Pride Purple Bluets | |
| Hudsonia ericoides | Pine Barren Goldenheather Pinebarren Goldenheather | |
| Humulus lupulus | Common Hop | |
| Huperzia lucidula | Shining Firmoss Shining Clubmoss | |
| Humulus lupulus var. lupuloides | Common Hop | |
| Huperzia selago | Alpine Clubmoss Fir Clubmoss Mountain Clubmoss Mountain Firmoss Northern Fir-moss | |
| Huperzia selago var. selago | Alpine Clubmoss Fir Clubmoss Mountain Clubmoss Mountain Firmoss Northern Fir-moss | |
| Hudsonia tomentosa | Woolly Beachheather Beach Heath | |
| Hudsonia tomentosa var. tomentosa | Woolly Beachheather Woolly Beach-heather False Heather | |
| Hypericum adpressum | Creeping St. John's-wort | |
| Hydrocotyle americana | American Marshpennywort Water-pennywort | |
| Hydrangea arborescens | Smooth Hydrangea Wild Hydrangea Sevenbark | |
| Hypericum ascyron | Great St. John's-wort Giant St. John's-wort | |
| Hypericum boreale | Northern St. John's-wort | |
| Hydrastis canadensis | Goldenseal | |
| Hypericum canadense | Lesser Canadian St. John's-wort | |
| Hybanthus concolor | Eastern Greenviolet Green Violet | |
| Hypericum dissimulatum | Disguised St. John's-wort | |
| Hypericum ellipticum | Pale St. John's-wort | |
| Hypericum frondosum | Cedarglade St. John's-wort Golden St. John's-wort | |
| Hypericum gentianoides | Orangegrass Pineweed | |
| Hypoxis hirsuta | Common Goldstar Yellow Star-grass Eastern Yellow Star-grass | |
| Hypericum majus | Large St. John's-wort | |
| Hypericum mutilum | Dwarf St. John's-wort | |
| Hypericum prolificum | Shrubby St. John's-wort | |
| Hypericum punctatum | Spotted St. John's-wort | |
| Hylotelephium telephioides | Allegheny Stonecrop | |
| Hydrocotyle umbellata | Manyflower Marsh-pennywort Many-flowered Marsh-pennywort Marsh Pennywort Water Pennywort Money Plant | |
| Hydrocotyle verticillata | Whorled Marshpennywort | |
| scientific name | common name(s) | image gallery |
