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 |
| Allium robinsonii | Columbia River Onion Robinson's Onion | |
| Allium runyonii | Runyon's Onion | |
| Allium sanbornii | Sanborn's Onion | |
| Allium sanbornii var. congdonii | Congdon's Onion | |
| Allium sanbornii var. sanbornii | Sanborn's Onion | |
| Allium schoenoprasum | Wild Chives | |
| Allium scilloides | Fragile Onion | |
| Allium schoenoprasum var. sibiricum | Wild Chives | |
| Aliciella sedifolia | Stonecrop Gilia Stonecrop Gily-flower Stonecrop Cheat Gily-flower | |
| Allium serra | Jeweled Onion | |
| Aletes sessiliflorus | Sessileflower Indian Parsley Sessileflower Indian-parsley Sessileflower Springparsley Sessile-flower Aletes | |
| Allium shevockii | Spanish Needle Onion | |
| Allium sharsmithiae | Sharsmith's Onion | |
| Allium simillimum | Dwarf Onion Simil Onion | |
| Allium siskiyouense | Siskiyou Onion | |
| Allium speculae | Flatrock Onion Little River Canyon Onion Ownbey's Onion | |
| Allium stellatum | Autumn Onion Prairie Onion | |
| Aliciella stenothyrsa | Uinta Basin Gilia Unita Basin Gily-flower Unita Cheat Gily-flower | |
| Alisma subcordatum | American Water Plantain | |
| Aliciella subacaulis | Pinyon Gilia Pinyon Gily-flower Pinyon Cheat Gily-flower | |
| Aliciella subnuda | Coral Gilia | |
| Allium textile | Textile Onion | |
| Aliciella tenuis | Mussentuchit Creek Gilia Mussentuchit Creek Gily-flower Mussentuchit Creek Cheat Gily-flower | |
| Allium tolmiei | Tolmie's Onion | |
| Aletris ×tottenii | Colicroot | |
| Allium tolmiei var. persimile | Sevendevils Onion | |
| Allium tolmiei var. platyphyllum | Wallowa Onion | |
| Allium tolmiei var. tolmiei | Tolm's Onion Tolmie's Onion | |
| Aliciella triodon | Coyote Gilia Coyote Gily-flower Coyote Cheat Gily-flower | |
| Allium tribracteatum | Three Bracted Onion Threebract Onion | |
| Allium tricoccum | Wild Leek Ramp | |
| Alisma triviale | Northern Water Plantain | |
| Allium tuolumnense | Rawhide Hill Onion | |
| Allium unifolium | Oneleaf Onion | |
| Allium validum | Pacific Onion Tall Swamp Onion Swamp Onion | |
| Allotropa virgata | Sugarstick Candystick Candystriped Allotropa | |
| Allium victorialis | Alpine Broad-leaf Allium Alpine Leek Victory Onion | |
| Alchemilla wichurae | Grassland Lady's Mantle | |
| Allium yosemitense | Yosemite Onion | |
| Amaranthus acanthochiton | Greenstripe Greenstripe Pigweed | |
| Ambrosia acanthicarpa | Flatspine Bur Ragweed Annual Burweed Annual Bursage Hooker's Bur Ragweed Western Sand-bur | |
| Amphiachyris amoena | Texas Broomweed | |
| Amaranthus arenicola | Sandhill Amaranth Sand Amaranth Sand Pigweed | |
| Ambrosia artemisiifolia | Annual Ragweed Short Ragweed | |
| Ambrosia artemisiifolia var. artemisiifolia | Annual Ragweed | |
| Ambrosia artemisiifolia var. elatior | Annual Ragweed Common Ragweed | |
| Ambrosia artemisiifolia var. paniculata | Annual Ragweed Common Ragweed | |
| Amaranthus australis | Southern Amaranth Southern Pigweed Southern Water-hemp | |
| Ammannia auriculata | Eared Redstem | |
| Amaranthus bigelovii | Bigelow's Amaranth | |
| scientific name | common name(s) | image gallery |
