Explore 62,425 Species
Sea Sacks
Halosaccion glandiforme (S.G.Gmelin) Ruprecht
Halosaccion glandiforme, or sea sac, is a north Pacific intertidal alga with a h…
Haloxylon salicornicum (Moq.) Bunge ex Boiss.
Haloxylon salicornicum (Moq.) Bunge ex Boiss.
Haloxylon salicornicum is a small, almost leafless arid-region shrub with scaly …
american witch-hazel
Hamamelis virginiana L.
Hamamelis virginiana (witch hazel) is a small deciduous tree/shrub with a long h…
Firebush
Hamelia patens Jacq.
Hamelia patens is an American native Rubiaceae shrub or small tree, valued for a…
bog adder's-mouth orchid
Hammarbya paludosa (L.) Kuntze
Hammarbya paludosa is a small Northern Hemisphere orchid that grows in bog habit…
Whiskbroom Parsley
Harbouria trachypleura (A.Gray) J.M.Coult. & Rose
Harbouria trachypleura is the only species in the monotypic Apiaceae genus Harbo…
Native wisteria
Hardenbergia comptoniana (Andrews) Benth.
Hardenbergia comptoniana is a vigorous Australian twining vine grown in horticul…
False Sarsaparilla
Hardenbergia violacea (Schneev.) Stearn
Hardenbergia violacea is an Australian climbing sub-shrub that is widely cultiva…
Baja Balloon Pod
Harfordia macroptera Greene & Parry
Harfordia macroptera is a shrub or subshrub defined by its conspicuous inflated …
Palmer's grapplinghook
Harpagonella palmeri A.Gray
Harpagonella is a North American borage genus of small annuals, known for its di…
Kalahari Devilclaw
Harpagophytum procumbens (Burch.) DC. ex Meisn.
Harpagophytum procumbens, commonly devil's claw, is a southern African plant use…
Savanna Devilclaw
Harpagophytum zeyheri Decne.
Harpagophytum zeyheri is a southern African devil's claw species, with folk medi…
Moss Bell-heather
Harrimanella hypnoides (L.) Coville
Harrimanella hypnoides, or moss bell heather, is the only species in the Harrima…
Spiderweb Haworthia
Haworthia arachnoidea (L.) Duval
Haworthia arachnoidea is a variable South African succulent with dark bristled-l…
Barberry-leaf Goldenbush
Hazardia berberidis (A.Gray) Greene
Hazardia berberidis is a woody shrub endemic to Baja California, with uncertain …
saw-toothed goldenbush
Hazardia squarrosa (Hook. & Arn.) Greene
Sawtooth goldenbush (Hazardia squarrosa) is a North American Asteraceae shrub na…
Beach Slugwort
Hebenstretia cordata L.
Hebenstretia cordata, or beach slugwort, is a flowering plant species in the fam…
Guapilla
Hechtia glomerata Zucc.
Guapilla (Hechtia glomerata Zucc.) is a bromeliad species native to southern Tex…
Texas False Agave
Hechtia texensis S.Watson
Hechtia texensis, or Texas false agave, is a native bromeliad found in Texas US …
American pennyroyal
Hedeoma pulegioides (L.) Pers.
Hedeoma pulegioides is an aromatic annual mint relative native to eastern North …
Reverchon's false pennyroyal
Hedeoma reverchonii (A.Gray) A.Gray
Reverchon's false pennyroyal is a perennial flowering mint native to the south c…
Canary Islands Ivy
Hedera canariensis Willd.
Hedera canariensis Willd. is an evergreen climbing ivy endemic to the Canary Isl…
Persian Ivy
Hedera colchica (K.Koch) K.Koch
Hedera colchica is a large, adaptable evergreen ivy that provides food for polli…
common ivy
Hedera helix L.
Hedera helix L., common ivy, is an evergreen climbing plant with ornamental, the…
