Plants — 23,508 Species
Top Families in Plants
All Plants Species
Ocean spray
Holodiscus discolor (Pursh) Maxim.
Holodiscus discolor is a deciduous North American shrub with historical indigenous uses, supporting native pollinators and caterpillars.
Jagged Chickweed
Holosteum umbellatum L.
Jagged chickweed (Holosteum umbellatum) is a flowering plant in the Caryophyllaceae family, native to Europe and introduced to North America.
Bleeding Heart
Homalanthus populifolius Graham
Homalanthus populifolius (bleeding heart) is a small shrub/tree, grown ornamentally and invasive in some regions.
narrow-leaved glade fern
Homalosorus pycnocarpos (Spreng.) Pic.Serm.
Homalosorus pycnocarpos is a fern species endemic to eastern North America, growing in moist neutral or basic wooded habitats.
Silky Wall Feather-moss
Homalothecium sericeum (Hedw.) Schimp.
Homalothecium sericeum is an almost cosmopolitan moss species in the family Brachytheciaceae.
Alpine coltsfoot
Homogyne alpina (L.) Cass.
Homogyne alpina is a rhizomatous perennial ornamental herb in Asteraceae, native to South Central European mountains.
Sea Sandwort
Honckenya peploides (L.) Ehrh.
Honckenya peploides is a small coastal subdioecious plant with edible leaves and seeds, found across circum-boreal regions.
Wild Ghaap
Hoodia gordonii Sweet, 1830
Hoodia gordonii is a clump-forming perennial succulent with rotting-scented flowers pollinated by flies and wind-dispersed seeds.
Shining Hookeria
Hookeria lucens (Hedw.) Sm.
Hookeria lucens is a distinctive Northern Hemisphere temperate moss found most commonly in Pacific Northwest coastal rainforests.
small-flowered soaproot
Hooveria parviflora (S.Watson) D.W.Taylor & D.J.Keil
Hooveria parviflora is a single-day blooming perennial wildflower native to coastal Southern California and extreme northwestern Baja California.
vine mesquite
Hopia obtusa (Kunth) Zuloaga & Morrone
Hopia obtusa is a perennial grass ranging from the southwestern US to central Mexico that grows in seasonally wet sandy or gravelly sites.
Meadow barley
Hordeum brachyantherum Nevski
Hordeum brachyantherum, or meadow barley, is a North American wild barley used for grassland restoration in California.
Foxtail Barley
Hordeum jubatum L.
Hordeum jubatum, or foxtail barley, is a perennial Poaceae species that is cultivated ornamentally and has various recorded Native North American uses.
salt barley
Hordeum marinum Huds.
Hordeum marinum, or sea barley, is a mostly coastal annual halophyte grass native to Eurasia and North Africa, introduced elsewhere.
wall barley
Hordeum murinum L.
Hordeum murinum, commonly wall or false barley, is a grass relative of cultivated barley, a weed that provides grazing forage.
little barley
Hordeum pusillum Nutt.
Hordeum pusillum, or little barley, is an edible annual North American grass once used by Pre-Columbian Native Americans.
Common Barley
Hordeum vulgare L.
Hordeum vulgare L. (barley) is a common cultivated cereal grass with edible grains, grown globally for many uses.
Dragonmouth
Horminum pyrenaicum L.
Horminum pyrenaicum L. is a perennial alpine flowering plant native to western Europe’s Pyrenees and Alps, grown in cultivation.
Chamois Cress
Hornungia alpina (L.) O.Appel
Hornungia alpina is a Brassicaceae flowering plant native to European mountains, sometimes grown as a garden ornamental.
Hutchinsia
Hornungia petraea (L.) Rchb.
Hornungia petraea is a small flowering Brassicaceae plant native to Europe, parts of North Africa and the Middle East.
Big deervetch
Hosackia crassifolia Benth.
Hosackia crassifolia is a bushy perennial pea plant native to western North America, flowering from May to August in varied habitats.
witch's-teeth
Hosackia gracilis Benth.
Hosackia gracilis is a North American coastal perennial legume, a suspected host plant for endangered lotis blue butterfly caterpillars.
streambank bird's-foot trefoil
Hosackia oblongifolia Benth.
Hosackia oblongifolia, also called streambank bird's-foot trefoil, is a native legume of western North America.
Meadow Bird's Foot Trefoil
Hosackia pinnata (Hook.) Abrams
Hosackia pinnata is a North American legume native to moist habitats from British Columbia to California, with yellow and white pealike flowers.
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