Explore 23,508 Species
Atlantic Ivy
Hedera hibernica Poit.
Hedera hibernica is an evergreen climbing ivy that is garden-grown and invasive …
Japanese Ivy
Hedera rhombea (Miq.) Bean
Hedera rhombea is an evergreen climbing ivy with rhombic leaves, poisonous stems…
Ciliate Hoarmoss
Hedwigia ciliata (Hedw.) Boucher
Hedwigia ciliata is a cosmopolitan moss species in the family Hedwigiaceae.
Australian mulberry
Hedycarya angustifolia A.Cunn.
Hedycarya angustifolia is a dioecious Australian rainforest shrub or small tree,…
Pigeonwood
Hedycarya arborea J.R.Forst. & G.Forst.
Hedycarya arborea, pigeonwood, is a New Zealand-endemic dioecious tree classifie…
Butterfly ginger lily
Hedychium coronarium J.Koenig
Hedychium coronarium J.Koenig is a scented flowering perennial native to South a…
Yellow ginger
Hedychium flavescens Carey ex Roscoe
Hedychium flavescens is a shade-tolerant perennial ginger considered an invasive…
Kahili ginger
Hedychium gardnerianum Sheph. ex Ker Gawl.
Hedychium gardnerianum, Kahili ginger, is an ornamental herbaceous perennial flo…
Cretanweed
Hedypnois rhagadioloides (L.) F.W.Schmidt
Hedypnois rhagadioloides is an annual hairy Asteraceae plant native to the Medit…
Alpine Sweet-vetch
Hedysarum alpinum L.
Hedysarum alpinum L. (alpine sweetvetch) is a perennial northern herb eaten by w…
Boreal Sweet-vetch
Hedysarum boreale Nutt.
Hedysarum boreale Nutt. is a variable North American perennial legume with multi…
Alpine sainfoin
Hedysarum hedysaroides (L.) Schinz & Thell.
Hedysarum hedysaroides is a purple-flowered perennial herb found in alpine meado…
Yellow Sweet-vetch
Hedysarum sulphurescens Rydb.
Hedysarum sulphurescens (yellow or white sweetvetch) is a perennial herb where L…
Rockwood
Heeria argentea (Thunb.) Meisn.
Heeria argentea is the only species in the monotypic genus Heeria of Anacardiace…
sun opener
Heimia salicifolia (Kunth) Link
Heimia salicifolia is a loosestrife family flowering plant native to the America…
Bitterweed
Helenium amarum (Raf.) H.Rock
Helenium amarum is an annual daisy-family herb, native to the US south-central a…
common sneezeweed
Helenium autumnale L.
Helenium autumnale L., common sneezeweed, is an autumn-flowering perennial herb …
Bigelow's sneezeweed
Helenium bigelovii A.Gray
Bigelow's sneezeweed (Helenium bigelovii) is a North American sunflower-family p…
Pretty Sneezeweed
Helenium elegans DC.
Helenium elegans, pretty sneezeweed, is an annual sunflower-family plant native …
Southern Sneezeweed
Helenium flexuosum Raf.
Helenium flexuosum Raf. is a perennial herb with many flower heads, found growin…
Smallhead Sneezeweed
Helenium microcephalum DC.
Helenium microcephalum, or smallhead sneezeweed, is an annual North American ast…
Southeastern Sneezeweed
Helenium pinnatifidum (Nutt.) Rydb.
Helenium pinnatifidum, or southeastern/savanna sneezeweed, is a perennial sunflo…
Rosilla
Helenium puberulum DC.
Helenium puberulum, or rosilla, is a North American daisy-family flowering plant…
California Dwarf Sunflower
Helianthella californica A.Gray
Helianthella californica, California helianthella, is a taprooted perennial wild…
