Xiphium Iris, Spanish Iris 'Gipsy Queen'
Iris xiphium
Hybridized by Barr & Sons, 1928 |
Xiphium Iris, Spanish Iris 'Grand Lilas'
Iris xiphium
Hybridized by Perry, 1910 |
Xiphium Iris, Spanish Iris 'Hercules'
Iris xiphium
Hybridized by Barr, 1877 |
Xiphium Iris, Spanish Iris 'Heroine'
Iris xiphium
Hybridized by Barr, 1875 |
Xiphium Iris, Spanish Iris 'King Edward'
Iris xiphium
Hybridized by Barr & Sons, 1922 |
Xiphium Iris, Spanish Iris 'King Of The Blues'
Iris xiphium
Hybridized by Barr, 1898 |
Xiphium Iris, Spanish Iris 'Lavinia'
Iris xiphium
Hybridized by Barr & Sons, 1939 |
Xiphium Iris, Spanish Iris 'Prince of Wales'
Iris xiphium
Hybridized by Barr, 1875 |
Xiphium Iris, Spanish Iris 'Princess Ida'
Iris xiphium
Hybridized by Barr, 1893 |
Xiphium Iris, Spanish Iris 'Purple Queen'
Iris xiphium
Hybridized by Barr, 1905 |
Xiphium Iris, Spanish Iris 'Rosa Bonheur'
Iris xiphium
Hybridized by Barr, 1903 |
Xiphium Iris, Spanish Iris 'Viceroy'
Iris xiphium
Hybridized by Barr, 1903 |
Ischnosiphon Species
Ischnosiphon obliquus |
Iseia
Iseia luxurians |
Canelito, Firecracker Plant
Isertia haenkeana |
Peruvian Daffodil, Spider Lily
Ismene longipetala |
Isoberlinia Species, Mutobo
Isoberlinia tomentosa |
Rio Grande Pearlhead
Isocarpha oppositifolia |
Carquinez goldenbush
Isocoma arguta |
Aztec Goldenbush
Isocoma azteca |
Common goldenbush
Isocoma coronopifolia |
Drummond's goldenbush
Isocoma drummondii |
Zion goldenbush
Isocoma humilis |
Rusby's Goldenbush, Rusby's Jimmyweed
Isocoma rusbyi |
Burroweed
Isocoma tenuisecta |
Isodon Species, Blush-Red Rabdosia
Isodon rubescens |
Isodon Species
Isodon sculponiatus |
Isodon Species
Isodon trichocarpus |
Limestone Quillwort
Isoetes butleri |
Howell's Quillwort
Isoetes howellii |
Rock Quillwort
Isoetes lithophila |
Blackfoot Quillwort
Isoetes melanopoda |
Crested Candelabra
Isolatocereus dumortieri f. cristata |
Keeled Bulrush
Isolepis carinata |
Fiber Optic Grass, Salt Marsh Bulrush 'Live Wire'
Isolepis cernua |
Gulf Coast Bulrush
Isolepis molesta |
Hall's False Rue Anemone, Willamette False Rue Anemone, Willamette Isopyrum
Isopyrum hallii |
Laurentia 'Avant Garde White'
Isotoma axillaris |
Blue Star Creeper, Laurentia, Rock Isotome 'Sophia'
Isotoma axillaris |
Laurentia, Rock Isotome 'Starlight Pink'
Isotoma axillaris |
Laurentia, Rock Isotome 'Shooting Stars'
Isotoma petrea |
