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 |
| Heterotheca sessiliflora ssp. bolanderi | Sessileflower False Goldenaster | |
| Heterotheca sessiliflora var. bolanderioides | Sessileflower False Goldenaster | |
| Heterotheca sessiliflora var. camphorata | Sessileflower False Goldenaster | |
| Heterotheca sessiliflora ssp. echioides | Sessileflower False Goldenaster | |
| Heterotheca sessiliflora var. echioides | Sessileflower False Goldenaster | |
| Heterotheca sessiliflora ssp. fastigiata | Sessileflower False Goldenaster | |
| Heterotheca sessiliflora var. fastigiata | Sessileflower False Goldenaster | |
| Heterotheca sessiliflora var. sanjacintensis | Sessileflower False Goldenaster | |
| Heterotheca sessiliflora ssp. sessiliflora | Beach Goldenaster Sessileflower False Goldenaster | |
| Heterotheca shevockii | Kern Canyon False Goldenaster Shevock’s Goldenaster | |
| Hesperolinon spergulinum | Slender Dwarf Flax Slender Dwarf-flax Slender Western Flax | |
| Hesperevax sparsiflora | Erect Dwarf Cudweed Erect Dwarf-Cudweed Erect Evax Few Flowered Evax | |
| Hesperevax sparsiflora var. brevifolia | Seaside Evax Short-leaved Evax Shortleaf Dwarf-Cudweed | |
| Hesperevax sparsiflora var. sparsiflora | Erect Dwarf Cudweed Erect Dwarf-Cudweed Few Flowered Evax | |
| Heterotheca subaxillaris | Camphorweed Camphor Weed | |
| Hesperocnide tenella | Western Nettle Western Stinging Nettle Western Stinging-nettle Western Stingingnettle | |
| Hesperolinon tehamense | Paskenta Grade Dwarf Flax Paskenta Grade Dwarf-flax Tehama County Western Flax Tehama Dwarf-flax | |
| Hesperocallis undulata | Desert Lily Desert-lily Ajo Lily | |
| Heterodraba unilateralis | Ladies'-tongue Mustard Ladiestongue Mustard | |
| Heterotheca villosa | Hairy False Goldenaster Hairy Golden-aster | |
| Heterotheca villosa var. minor | Hairy False Goldenaster | |
| Heterotheca villosa var. scabra | Hairy False Goldenaster | |
| Hieracium albiflorum | White Flowered Hawkweed White Hawkweed | |
| Hieracium argutum | Southern Hawkweed | |
| Hieracium bolanderi | Bolander's Hawkweed | |
| Hieracium cynoglossoides | Houndstongue Hawkweed | |
| Hieracium gracile | Alpine Hawkweed Slender Hawkweed | |
| Hieracium greenei | Greene's Hawkweed | |
| Hieracium gracile var. detonsum | Low Alpine Hawkweed | |
| Hieracium gracile var. gracile | Slender Hawkweed | |
| Hieracium horridum | Prickly Hawkweed Shaggy Hawkweed | |
| Hieracium scouleri | Hounds Tongue Hawkweed Scouler's Hawkweed Scouler's Woollyweed | |
| Hieracium scouleri var. nudicaule | Naked Stemmed Scouler's Hawkweed Scouler's Woollyweed | |
| Hieracium scouleri var. scouleri | Scouler's Hawkweed Scouler's Woollyweed | |
| Hippuris vulgaris | Common Mare's-tail | |
| Howellia aquatilis | Water Howellia Water Howellwort | |
| Horkelia bolanderi | Bolander's Horkelia Border Horkelia | |
| Horkelia californica | California Horkelia | |
| Horkelia californica ssp. californica | California Horkelia | |
| Horkelia californica ssp. dissita | California Horkelia Tall Horkelia | |
| Horkelia californica ssp. frondosa | California Horkelia Leafy Horkelia | |
| Horkelia clevelandii | Cleveland's Horkelia | |
| Horkelia congesta | Sierra Horkelia | |
| Horkeliella congdonis | Congdon's False Horkelia Congdon's Little Horkelia Congdon’s Horkeliella | |
| Horkelia congesta ssp. nemorosa | Josephine Horkelia Sierra Horkelia | |
| Horkelia cuneata | Wedge Leaf Horkelia Wedge Leaved Horkelia Wedgeleaf Horkelia | |
| Horkelia cuneata ssp. cuneata | Wedge Leaved Horkelia Wedgeleaf Horkelia | |
| Horkelia cuneata ssp. puberula | Mesa Horkelia Wedgeleaf Horkelia | |
| Horkelia cuneata ssp. sericea | Coast Horkelia Kellogg’s Horkelia Wedgeleaf Horkelia | |
| Horkelia daucifolia | Carrot Leafed Horkelia Carrotleaf Horkelia | |
| Howellanthus dalesianus | Scott Mountain Phacelia Scott Mountain Scorpion-weed | |
| Horkelia daucifolia ssp. daucifolia | Carrot Leafed Horkelia Carrotleaf Horkelia | |
| Horkelia daucifolia ssp. latior | Carrot Leafed Horkelia Carrotleaf Horkelia | |
| Holozonia filipes | Greene's White Crown Whitecrown | |
| Horkelia fusca | Pinewoods Horkelia | |
| Horkelia fusca ssp. capitata | Bighead Horkelia Palouse Horkelia | |
| Horkelia fusca ssp. parviflora | Small-flowered Horkelia Smallflower Horkelia Tawny Horkelia | |
| Horkelia fusca ssp. pseudocapitata | Littlehead Horkelia Intermountain Horkelia | |
| Horkelia fusca ssp. tenella | Delicate Horkelia Pinewoods Horkelia Tawny Horkelia | |
| Hoffmannseggia glauca | Indian Rushpea Indian Rush-pea | |
| Holocarpha heermannii | Heermann's Tarweed | |
| Horkelia hendersonii | Henderson's Horkelia | |
| Horkelia hispidula | White Mountain Horkelia White Mountains Horkelia | |
| Hollisteria lanata | False Spikeflower False Spineflower | |
| Holocarpha macradenia | Santa Cruz Tarplant | |
| Horkelia marinensis | Point Reyes Horkelia | |
| Hoita macrostachya | Large Leather-root | |
| Holocarpha obconica | San Joaquin Tarweed | |
| Holocarpha obconica ssp. autumnalis | San Joaquin Tarweed | |
| Holocarpha obconica ssp. obconica | San Joaquin Tarweed | |
| Hoita orbicularis | Roundleaf Leather-root | |
| Howelliella ovata | Lionsnap Oval Leaved Snapdragon Oval-leafed Snapdragon Ovateleaf Snapdragon | |
| Horkelia parryi | Chamise Horkelia Parry Horkelia Parry’s Horkelia | |
| Holmgrenanthe petrophila | Rock Lady Rocklady | |
| Horkeliella purpurascens | Kern Plateau Horkeliella Purple False Horkelia Purple Horkelia | |
| Horkelia rydbergii | Rydberg's Horkelia | |
| Horkelia sericata | Howell's Horkelia Silky Horkelia | |
| Hoita strobilina | Loma Prieta | |
| Horkelia tenuiloba | Santa Rosa Horkelia Sonoma Horkelia Thin Lobed Horkelia Thin-lobed Horkelia | |
| Horkelia tridentata | Three Toothed Horkelia Threetooth Horkelia | |
| Horkelia truncata | Ramona Horkelia | |
| Horkelia tridentata ssp. flavescens | Hairycup Horkelia Three Toothed Horkelia Threetooth Horkelia | |
| Horkelia tridentata ssp. tridentata | Sierra Horkelia Three Toothed Horkelia Threetooth Horkelia | |
| Horkelia tularensis | Kern Plateau Horkelia Tulare Cinquefoil | |
| Holocarpha virgata | Narrow Tarplant Pitgland Tarweed Yellowflower Tarweed | |
| Holocarpha virgata ssp. elongata | Graceful Tarplant Wand Tarbush | |
| Holocarpha virgata ssp. virgata | Narrow Tarplant Yellowflower Tarweed | |
| Horkelia wilderae | Barton Flats Horkelia Wilder’s Horkelia | |
| Horkelia yadonii | Santa Lucia Horkelia Yadon’s Horkelia | |
| Hulsea algida | Pacific Hulsea Alpinegold | |
| Hulsea brevifolia | Short Leaved Hulsea Shortleaf Alpinegold | |
| Hulsea californica | San Diego Alpinegold San Diego Sunflower | |
| Hulsea heterochroma | Redray Alpinegold Redray Hulsea | |
| Humulus lupulus var. neomexicanus | Common Hop Hops | |
| Hulsea mexicana | Mexican Alpinegold | |
| Hulsea nana | Dwarf Alpinegold | |
| Hulsea vestita | Pumice Alpinegold Pumice Hulsea | |
| Hulsea vestita ssp. callicarpha | Beautiful Hulsea Pumice Alpinegold | |
| Hulsea vestita ssp. gabrielensis | Pumice Alpinegold San Gabriel Mountains Sunflower | |
| Hulsea vestita ssp. inyoensis | Inyo Hulsea Pumice Alpinegold | |
| scientific name | common name(s) | image gallery |
