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 |
| Hippuris vulgaris | Common Mare's-tail | |
| Hibiscus waimeae | Aloalo Kauai White Hibiscus Kokio Keokeo White Kauai Rosemallow | |
| Hibiscus waimeae ssp. hannerae | Aloalo Kokio Keokeo Small Kauai White Hibiscus White Kauai Rosemallow | |
| Hibiscus waimeae ssp. waimeae | Aloalo Kauai White Hibiscus Kokio Keokeo White Kauai Rosemallow | |
| Hibiscadelphus wilderianus | Maui Hau Kuahiwi | |
| Hibiscadelphus woodii | Hau Kuahiwi Wood's Hau Kuahiwi | |
| Houstonia acerosa | Needleleaf Bluet | |
| Houstonia acerosa var. acerosa | Needleleaf Bluet | |
| Houstonia acerosa var. polypremoides | Needleleaf Bluet | |
| Horsfordia alata | Big Feltplant Pink Felt Plant Pink Velvet Mallow Pink Velvet-mallow Pink Velvetmallow | |
| Howellia aquatilis | Water Howellia Water Howellwort | |
| Hordeum arizonicum | Arizona Barley Arizona Foxtail | |
| Horkelia bolanderi | Bolander's Horkelia Border Horkelia | |
| Hordeum brachyantherum | Meadow Barley | |
| Hordeum brachyantherum ssp. brachyantherum | Meadow Barley | |
| Hordeum brachyantherum ssp. californicum | California Barley California Meadow Barley | |
| Horkelia californica | California Horkelia | |
| Houstonia caerulea | Azure Bluet Quaker Ladies Bluets | |
| Houstonia canadensis | Canadian Summer Bluet | |
| 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 | |
| Houstonia correllii | Correll's Bluet Zapata County Bluet | |
| Horkeliella congdonis | Congdon's False Horkelia Congdon's Little Horkelia Congdon’s Horkeliella | |
| Horkelia congesta ssp. congesta | Shaggy Horkelia Sierra Horkelia | |
| Horkelia congesta ssp. nemorosa | Josephine Horkelia Sierra Horkelia | |
| Houstonia croftiae | Croft's Bluet | |
| 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 | |
| Hordeum depressum | Alkali Barley Dwarf Barley Low Barley | |
| Holodiscus discolor | Ocean Spray Hillside Ocean-spray Cream Bush Mountain Spray | |
| Hoffmannseggia drepanocarpa | Sicklepod Holdback | |
| Hoffmannseggia drummondii | Dwarf Nicker | |
| Holodiscus dumosus | Rockspirea Glandular Oceanspray Bush Rockspirea Cream Bush | |
| Holozonia filipes | Greene's White Crown Whitecrown | |
| Horkelia fusca | Pinewoods Horkelia | |
| Horkelia fusca ssp. capitata | Bighead Horkelia Palouse Horkelia | |
| Horkelia fusca ssp. filicoides | Diamond Lake Horkelia Pinewoods Horkelia | |
| Horkelia fusca ssp. fusca | Dusky Horkelia Pinewoods 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 | |
| scientific name | common name(s) | image gallery |
