Explore 23,508 Species
burroweed
Isocoma tenuisecta Greene
Isocoma tenuisecta, also called burroweed, is a toxic North American perennial h…
spiny-spored quillwort
Isoetes echinospora Durieu
Isoetes echinospora Durieu, commonly called spiny quillwort, is a lycophyte spec…
Slender Clubrush
Isolepis cernua (Vahl) Roem. & Schult.
Isolepis cernua is a widespread small flowering sedge native to multiple regions…
Budding Club-Rush
Isolepis prolifera (Rottb.) R.Br.
Isolepis prolifera is a tufted perennial marsh flowering plant with distinctive …
Bristle-leaf Bulrush
Isolepis setacea (L.) R.Br.
Isolepis setacea is a perennial sedge species native to Eurasia and Africa, grow…
Broad-leaved Drumsticks
Isopogon anemonifolius (Salisb.) Knight
Isopogon anemonifolius is an Australian evergreen woody shrub, commonly cultivat…
Narrow-leaf Drumsticks
Isopogon anethifolius (Salisb.) Knight
Isopogon anethifolius is a yellow-flowering Australian shrub that is widely cult…
Isopogon asper R.Br.
Isopogon asper R.Br.
Isopogon asper R.Br. is a pink-flowered shrub that grows in low heath in south-w…
Horny Cone-bush
Isopogon ceratophyllus R.Br.
Isopogon ceratophyllus is a prickly Australian shrub, endangered on the IUCN Red…
Pincushion Coneflower
Isopogon dubius (R.Br.) Druce
Isopogon dubius is a Western Australian shrub cultivated in horticulture since t…
Rue-leaved Isopyrum
Isopyrum thalictroides L.
Isopyrum thalictroides L. is a flowering plant from the Ranunculaceae family nat…
Blue Star Creeper
Isotoma fluviatilis (R.Br.) F.Muell. ex Benth.
Isotoma fluviatilis is a low mat-forming flowering plant native to southeastern …
California Dutchman's Pipe
Isotrema californicum (Torr.) H.Huber
Isotrema californicum, formerly Aristolochia californica, is a deciduous vine en…
woolly Dutchman's pipe
Isotrema tomentosum (Sims) H.Huber
Isotrema tomentosum, or woolly Dutchman's-pipe, is a flowering plant native to t…
Large Whorled Pogonia
Isotria verticillata (Muhl. ex Willd.) Raf.
Isotria verticillata is a terrestrial rhizome-spreading orchid native to forests…
Virginia sweetspire
Itea virginica L.
Itea virginica L. is a hardy deciduous shrub native to eastern and south-central…
Sumpweed
Iva annua L.
Iva annua is an annual herb that was historically cultivated for edible seeds by…
Pensacola Marsh Elder
Iva asperifolia Less.
Pensacola marsh elder (Iva asperifolia) is a small wind-pollinated flowering her…
poverty weed
Iva axillaris Pursh
Iva axillaris is a North American wind-pollinated herb in the Asteraceae family,…
marsh elder
Iva frutescens L.
Iva frutescens, high-tide bush, is a coastal North American salt marsh shrub in …
San Diego marsh-elder
Iva hayesiana A.Gray
Iva hayesiana A.Gray is a shrubby perennial herb with nearly invisible flowers t…
Dune Marsh-elder
Iva imbricata Walter
Iva imbricata is a salt-tolerant North American coastal shrub used for dune stab…
Tāwari
Ixerba brexioides A.Cunn.
Ixerba brexioides (tawari) is a New Zealand endemic tree valued for its distinct…
Yellow Kalossie
Ixia dubia Vent.
