- Using this master index is one way to find things... but is really designed to help search engines spider our many pages.
- A more efficient way for you to find things is with the Search box at the top of any page (where it says "Search ZipcodeZoo..."). Search allows you to search for Scientific names, common names, taxon names (such as a family or phylum),
or do a full text search of all 3,191,125 pages on this site.
4,503 Plants, page 1 of 3
- H Hawaii Desert-Thorn: Lycium sandwicense
- H. Tom Richter Daylily: Hemerocallis ’H. Tom Richter’
- H.w. Cole Canna Lily: Canna x generalis’H.W. Cole’
- H2710 Tomato Lycopersicon Lycopersicum: Lycopersicon lycopersicum ’H2710’
- H300 Tomato Lycopersicon Lycopersicum: Lycopersicon lycopersicum ’H300’
- H3044 Tomato Lycopersicon Lycopersicum: Lycopersicon lycopersicum ’H3044’
- H3302 Tomato Lycopersicon Lycopersicum: Lycopersicon lycopersicum ’H3302’
- H7155 Tomato Lycopersicon Lycopersicum: Lycopersicon lycopersicum ’H7155’
- H8704 Tomato Lycopersicon Lycopersicum: Lycopersicon lycopersicum ’H8704’
- H8773 Tomato Lycopersicon Lycopersicum: Lycopersicon lycopersicum ’H8773’
- H8892 Tomato Lycopersicon Lycopersicum: Lycopersicon lycopersicum ’H8892’
- H8893 Tomato Lycopersicon Lycopersicum: Lycopersicon lycopersicum ’H8893’
- H9035 Tomato Lycopersicon Lycopersicum: Lycopersicon lycopersicum ’H9035’
- H9144 Tomato Lycopersicon Lycopersicum: Lycopersicon lycopersicum ’H9144’
- H9175 Tomato Lycopersicon Lycopersicum: Lycopersicon lycopersicum ’H9175’
- H9230 Tomato Lycopersicon Lycopersicum: Lycopersicon lycopersicum ’H9230’
- H9280 Tomato Lycopersicon Lycopersicum: Lycopersicon lycopersicum ’H9280’
- H9382 Tomato Lycopersicon Lycopersicum: Lycopersicon lycopersicum ’H9382’
- H9478 Tomato Lycopersicon Lycopersicum: Lycopersicon lycopersicum ’H9478’
- Ha Tomato Lycopersicon Lycopersicum: Lycopersicon lycopersicum ’HA’
- Ha’a: Antidesma platyphyllum, Antidesma platyphyllum Mann var. platyphyllum Mann
- Ha’i Wale: Cyrtandra menziesii
- Ha’iwale: Cyrtandra munroi
- Ha-Wa-Kai-Yek: Dimorphandra macrostachya, Dimorphandra macrostachya congestiflora
- Haabin: Piscidia piscipula
- Haaga Rhododendron: Rhododendron x ’Haaga’
- Haage’s Globe-Amaranth: Gomphrena haageana
- Haageocereus: Haageocereus acranthus, Haageocereus acranthus var. crassispinus, Haageocereus acranthus var. piscoensis, Haageocereus albispinus, Haageocereus albispinus var. albiflorus, Haageocereus albispinus var. floribundus, Haageocereus australis f. cristata, Haageocereus australis f. subtilispinus, Haageocereus australis var. acinacispinus, Haageocereus chalaensis, Haageocereus chryseus, Haageocereus decumbens, Haageocereus decumbens var. multicolorispinus, Haageocereus decumbens var. spinosior, Haageocereus icensis, Haageocereus icosagonoides, Haageocereus lanugispinus, Haageocereus lanugispinus ’Densiaculeatus’, Haageocereus pacalaensis, Haageocereus pacalaensis var. laredensis, Haageocereus pacalaensis var. longispinus, Haageocereus pacalaensis var. pseudoversicolor, Haageocereus pacalaensis var. repens, Haageocereus platinospinus, Haageocereus pluriflorus, Haageocereus pseudomelanostele, Haageocereus pseudomelanostele acanthocladus, Haageocereus pseudomelanostele carminiflorus, Haageocereus pseudomelanostele ’Chosicensis’, Haageocereus pseudomelanostele var. clavatus, Haageocereus pseudomelanostele var. longicoma, Haageocereus pseudomelanostele var. setosus, Haageocereus pseudoversicolor, Haageocereus subtilispinus, Haageocereus tenuis, Haageocereus versicolor, Haageocereus versicolor f. cristata, Haageocereus versicolor var. aureispinus, Haageocereus versicolor var. catacanthus, Haageocereus versicolor var. fuscus, Haageocereus versicolor var. humifusus, Haageocereus versicolor var. lasiacanthus, Haageocereus versicolor var. pajonalensis, Haageocereus versicolor var. xanthacanthus, Haageocereus vulpes, Haageocereus zangalensis
- Haagespostoa: Haagespostoa albisetata, Haagespostoa climaxantha
- Haba: Phaseolus lunatus
- Haba De Barranca: Brongniartia nudiflora
- Haba De Burro: Calopogonium caeruleum
- Habakkuk Daylily: Hemerocallis ’Habakkuk’
- Habanera Daylily: Hemerocallis ’Habanera’
- Habanero Hot Pepper: Capsicum chinense ’Habanero’
- Habanero Pepper: Capsicum chinense ’Caribbean Red’, Capsicum chinense ’Francisca’, Capsicum chinense ’NuMex Suave Orange’, Capsicum chinense ’NuMex Suave Red’, Capsicum chinense ’Original Red’, Capsicum chinense ’Red Savina’
- Habanilla: Rhynchosia minima
- Habas: Vicia faba, Vicia faba faba
- Habek Mint: Mentha longifolia ’Habak’
- Habenero: Capsicum chinense ’Orange Devil’, Capsicum chinense ’Orange Plum’
- Haberer’s Clubmoss: Lycopodium habereri
- Haberlea: Haberlea ferdinandi-coburgii, Haberlea rhodopensis
- Habichuela: Phaseolus vulgaris
- Habichuela Parada: Macroptilium lathyroides
- Habilla: Rhynchosia reticulata
- Habim: Piscidia piscipula
- Habin: Piscidia piscipula
- Hachuela: Pelexia adnata
- Hacienda Daylily: Hemerocallis ’Hacienda’
- Hackberry: Celtis bungeana, Celtis occidentalis
- Hackberry Beardtongue: Penstemon subulatus
- Hackmatack: Larix laricina, Larix laricina ’Girard Dwarf’, Larix occidentalis
- Hacksaw Hosta: Hosta ’Hacksaw’
- Hacquetia: Hacquetia epipactis
- Hadada Ibis: Bostrychia hagedash
- Hadassah Daylily: Hemerocallis ’Hadassah’
- Hadspen Blue Hosta: Hosta ’Hadspen Blue’
- Hadspen Blue Steaked Hosta: Hosta ’Hadspen Blue Steaked’
- Hadspen Cream False Forget-Me-Not: Brunnera macrophylla ’Hadspen Cream’
- Hadspen Cream Heartleaf Brunnera: Brunnera macrophylla ’Hadspen Cream’
- Hadspen Cream Variegated Siberian Bugloss: Brunnera macrophylla ’Hadspen Cream’
- Hadspen Dolphin Hosta: Hosta ’Hadspen Dolphin’
- Hadspen Hawk Hosta: Hosta ’Hadspen Hawk’
- Hadspen Heron Hosta: Hosta ’Hadspen Heron’
- Hadspen Honey Hosta: Hosta ’Hadspen Honey’
- Hadspen Pink Hosta: Hosta ’Hadspen Pink’
- Hadspen Rainbow Hosta: Hosta ’Hadspen Rainbow’
- Hadspen Samphire Hosta: Hosta ’Hadspen Samphire’
- Hadspen White Hosta: Hosta ’Hadspen White’
- Haenke’s Rush: Juncus haenkei
- Hag Briar: Smilax tamnoides
- Hagar’s Helmet Intermediate Bearded Iris: Iris ’Hagar’s Helmet’
- Hagen’s Bryum Moss: Bryum hagenii
- Hagen’s Distichium Moss: Distichium hagenii
- Hagenah’s Polystichum: Polystichum hagenahii
- Hagenbeck’s Peanut: Arachis glabrata
- Haggarbush: Clerodendrum aculeatum
- Hagley Hybrid Clematis: Clematis ’Hagley Hybrid’, Clematis ’Hagley Hybrid’
- Hagstroem’s Pondweed: Potamogeton hagstroemii
- Haha: Cyanea acuminata, Cyanea asarifolia, Cyanea dunbarii, Cyanea humboldtiana, Cyanea koolauensis, Cyanea lobata, Cyanea longiflora, Cyanea mannii, Cyanea pinnatifida, Cyanea platyphylla, Cyanea procera, Cyanea recta, Cyanea remyi, Cyanea shipmanii, Cyanea stictophylla, Cyanea truncata, Gunnera petaloidea
- Haha Lua: Cyanea leptostegia
- Haha’aiakamanu: Clermontia fauriei
- Hahala: Cyrtandra garnotiana
- Hahong Kocho Hot Pepper: Capsicum annuum’Hahong Kocho’
- Hai Jin Zi: Pittosporum illicioides
- Hai-Ten-Gusa: Gelidium pusillum, Gelidium pusillum cylindricum, Gelidium pusillum mucronatum, Gelidium pusillum pacificum, Gelidium pusillum pulvinatum, Gelidium pusillum simplex
- Haiariballi: Alexa imperatricis, Alexa leiopetala
- Haidee Daylily: Hemerocallis ’Haidee’
- Haiku: Grevillea banksii
- Haiku Daylily: Hemerocallis ’Haiku’
- Hail Caesar Daylily: Hemerocallis ’Hail Caesar’
- Hail Holy Light Daylily: Hemerocallis ’Hail Holy Light’
- Hail Mary Daylily: Hemerocallis ’Hail Mary’
- Hail The Chief Tall Bearded Iris: Iris ’Hail the Chief’
- Hailans Pitpit: Setaria palmifolia
- Hainan Cufei: Cephalotaxus hainanensis
- Hainan Sonneratia: Sonneratia hainanensis
- Haines Painted Nettle Solenostemon Scutellarioides: Solenostemon scutellarioides ’Haines’
- Hair Allium Allium: Allium ’Hair’
- Hair Awn Muhly Grass: Muhlenbergia capillaris
- Hair Brush Cactus: Pachycereus pecten-aboriginum
- Hair Fescue: Festuca filiformis
- Hair Grass: Muhlenbergia glabrifloris
- Hair Sedge: Carex capillaris
- Hair-Like Sedge: Carex capillaris
- Hair-Like Spikerush: Eleocharis nana
- Hair-spine Prickly Pear: Opuntia polyacantha var. nicholii
- Hairawn Muhly: Muhlenbergia capillaris
- Hairbells: Dierama reynoldsii
- Hairbrush Cactus: Pachycereus pecten-aboriginum
- Haired Gourd: Benincasa hispida var. chieh-gua ’Chinese Fuzzy’, Benincasa hispida var. chieh-gua ’Farmer’s Favorite’, Benincasa hispida var. chieh-gua ’Long Fuzzy’, Benincasa hispida var. chieh-gua ’Long Star’, Benincasa hispida var. chieh-gua ’Mokwa’, Benincasa hispida var. chieh-gua ’Seven Star’
- Hairfin: Margyricarpus hieronymi
- Hairgrass: Agrostis scabra, Eleocharis montevidensis
- Hairless Blue Sow Thistle: Cicerbita plumieri
- Hairless Fleabane: Erigeron subglaber
- Hairless Gaping Keckiella: Keckiella breviflora glabrisepala
- Hairless Popcornflower: Plagiobothrys glaber
- Hairlike Sedge: Carex capillaris
- Hairlike Spikerush: Eleocharis nana
- Hairly-Leaved Manzanita: Arctostaphylos tomentosa
- Hairpin Banksia: Banksia spinulosa, Banksia spinulosa var. collina, Banksia spinulosa var. cunninghamii, Banksia spinulosa var. cunninghamii ’Lemon Glow’
- Hairtip Clubmoss: Lycopodium venustulum
- Hairvein Fern: Hypoderris brownii
- Hairy Acacia: Acacia permixta
- Hairy Alectryon: Alectryon tomentosus
- Hairy Alum Root: Heuchera pilosissima
- Hairy Alumroot: Heuchera villosa, Heuchera villosa Michx. var. villosa
- Hairy Alyssum: Alyssum minus var. strigosum
- Hairy Angelica: Angelica venenosa
- Hairy Arnica: Arnica mollis
- Hairy Ayenia: Ayenia pilosa
- Hairy Balsamroot: Balsamorhiza hookeri, Balsamorhiza hookeri var. hirsuta (Nutt.) A.Nelson, Balsamorhiza hookeri var. hispidula (Sharp) Cronq., Balsamorhiza hookeri var. hookeri (Hook.) Nutt., Balsamorhiza hookeri var. idahoensis (Sharp) Cronq., Balsamorhiza hookeri var. lagocephala (Sharp) Cronq., Balsamorhiza hookeri var. neglecta (Sharp) Cronq.
- Hairy Banana: Musa velutina
- Hairy Beach Sunflower: Helianthus debilis subsp. vestitus
- Hairy Beaksedge: Rhynchospora hispidula
- Hairy Beardtongue: Penstemon hirsutus
- Hairy Bears Breeches: Acanthus hirsutus
- Hairy Bedstraw: Galium ciliare, Galium pilosum
- Hairy Beggar-Ticks: Bidens pilosa
- Hairy Beggarticks: Bidens pilosa, Bidens pilosa L. var. radiata Sch.Bip.
- Hairy Bergenia: Bergenia ciliata
- Hairy Big-Leaf Lupine: Lupinus prunophilus
- Hairy Bigleaf Lupine: Lupinus prunophilus
- Hairy Bindweed: Calystegia pellita
- Hairy Bird’s Beak: Cordylanthus pilosus
- Hairy Bird’s Eye: Alectryon tomentosus
- Hairy Bird’s-Beak: Cordylanthus pilosus, Cordylanthus pilosus pilosus
- Hairy Bird’s-Foot Trefoil: Lotus subbiflorus
- Hairy Birdsfoot Morning Glory: Ipomoea ternifolia var. leptotoma
- Hairy Birdsfoot Trefoil: Lotus hispidus
- Hairy Bitter-Cress: Cardamine hirsuta
- Hairy Bittercress: Cardamine hirsuta
- Hairy Blazingstar: Mentzelia hirsutissima
- Hairy Blueberry: Vaccinium hirsutum
- Hairy Bluestem: Andropogon longiberbis
- Hairy Bonnet Orchid: Pleurothallis pubescens
- Hairy Boronia: Boronia pilosa
- Hairy Bowlesia: Bowlesia incana
- Hairy Brackenfern: Pteridium aquilinum var. pubescens
- Hairy Braya: Braya pilosa
- Hairy Bristlegrass: Setaria villosissima
- Hairy Brome: Bromus commutatus, Bromus ramosus, Bromus ramosus benekenii, Bromus ramosus ramosus
- Hairy Broom: Cytisus hirsutus
- Hairy Broomspurge: Chamaesyce villifera
- Hairy Bugseed: Corispermum villosum
- Hairy Bush-Clover: Lespedeza hirta
- Hairy Buttercup: Ranunculus sardous
- Hairy Butterwort: Pinguicula villosa
- Hairy Caltrop: Kallstroemia hirsutissima
- Hairy Canary Clover: Dorycnium hirsutum, Lotus hirsutus ’Brimstone’
- Hairy Cat’s Ear: Hypochaeris radicata
- Hairy Cat’sear: Hypochaeris radicata
- Hairy Cats Ear: Hypochaeris radicata
- Hairy Catsear: Hypochaeris radicata
- Hairy Ceanothus: Ceanothus oliganthus
- Hairy Centrolepis: Centrolepis strigosa
- Hairy Chaffhead: Carphephorus paniculatus
- Hairy Checkerbloom: Sidalcea hirsuta
- Hairy Chervil: Chaerophyllum hirsutum ’Roseum’
- Hairy Chess: Bromus commutatus
- Hairy Clematis: Chilopsis linearis arcuata, Clematis douglasii, Clematis hirsutissima, Clematis hirsutissima var. hirsutissima
- Hairy Cluster-Vine: Jacquemontia tamnifolia
- Hairy Clustervine: Jacquemontia tamnifolia
- Hairy Coldenia: Tiquilia hispidissima
- Hairy Coreopsis: Coreopsis pubescens
- Hairy Cornsalad: Valerianella amarella
- Hairy Correa: Correa aemula
- Hairy Cotoneaster: Cotoneaster tomentosus
- Hairy Crab Grass: Digitaria sanguinalis
- Hairy Crabgrass: Digitaria sanguinalis
- Hairy Crabweed: Fatoua villosa
- Hairy Creeping Lovegrass: Neeragrostis reptans
- Hairy Crinklemat: Tiquilia hispidissima
- Hairy Cucumber: Benincasa hispida var. chieh-gua ’Chinese Fuzzy’, Benincasa hispida var. chieh-gua ’Farmer’s Favorite’, Benincasa hispida var. chieh-gua ’Long Fuzzy’, Benincasa hispida var. chieh-gua ’Long Star’, Benincasa hispida var. chieh-gua ’Mokwa’, Benincasa hispida var. chieh-gua ’Seven Star’
- Hairy Cup Orchid: Brachionidium ciliolatum
- Hairy Cupgrass: Eriochloa villosa
- Hairy Cyanea: Cyanea pilosa
- Hairy Cyrtandra: Cyrtandra sandwicensis
- Hairy Daisy: Erigeron concinnus, Erigeron incertus, Erigeron lanatus
- Hairy Dalea: Dalea mollissima
- Hairy Darling-Pea: Swainsona greyana
- Hairy Dawnflower: Stylisma villosa
- Hairy Desert Sunflower: Geraea canescens, Geraea canescens var. canescens Torr. & Gray, Geraea canescens var. paniculata (Gray) Blake
- Hairy Desertsunflower: Geraea canescens, Geraea canescens var. canescens Torr. & Gray, Geraea canescens var. paniculata (Gray) Blake
- Hairy Dewflower: Drosanthemum hispidum
- Hairy Doze-Daisy: Aphanostephus pilosus
- Hairy Dozedaisy: Aphanostephus pilosus
- Hairy Draba: Draba aprica
- Hairy Dropseed: Blepharoneuron tricholepis
- Hairy Elephantfoot: Elephantopus tomentosus
- Hairy Erioneuron: Erioneuron pilosum
- Hairy Evening Primrose: Oenothera villosa, Oenothera villosa strigosa, Oenothera villosa villosa
- Hairy Evening-Primrose: Oenothera villosa, Oenothera villosa strigosa, Oenothera villosa villosa
- Hairy Eveningprimrose: Oenothera villosa, Oenothera villosa strigosa, Oenothera villosa villosa
- Hairy Evolvulous: Evolvulus arizonicus
- Hairy False Bindweed: Calystegia pellita
- Hairy False Cloak Fern: Argyrochosma incana
- Hairy False Flax: Camelina microcarpa
- Hairy False Goldaster: Heterotheca villosa
- Hairy False Golden-Aster: Heterotheca villosa, Heterotheca villosa var. villosa (Pursh) Shinners
- Hairy False Goldenaster: Heterotheca villosa, Heterotheca villosa var. ballardii (Rydb.) Semple, Heterotheca villosa var. depressa (Rydb.) Semple, Heterotheca villosa var. foliosa (Nutt.) Harms, Heterotheca villosa var. minor (Hook.) Semple, Heterotheca villosa var. pedunculata (Greene) Harms ex Semple, Heterotheca villosa var. scabra (Eastw.) Semple, Heterotheca villosa var. sierrablancensis Semple, Heterotheca villosa var. nana, Heterotheca villosa var. scabra, Heterotheca villosa var. villosa (Pursh) Shinners
- Hairy False Goldeneye: Heliomeris ciliata
- Hairy False Gromwell: Onosmodium molle hispidissimum
- Hairy False Ohelo: Wikstroemia villosa
- Hairy False-Nightshade: Chamaesaracha sordida
- Hairy Falsecloak Fern: Argyrochosma incana
- Hairy Falsegoldeneye: Heliomeris ciliata, Heliomeris hispida
- Hairy Fan-Flower: Scaevola ramosissima
- Hairy Fig: Ficus hispida
- Hairy Filmy Fern: Hymenophyllum hirsutum
- Hairy Fimbristylis: Fimbristylis puberula
- Hairy Fimbry: Fimbristylis puberula, Fimbristylis puberula var. interior
- Hairy Five Eyes: Chamaesaracha sordida
- Hairy Flatsedge: Cyperus dentoniae, Cyperus pilosus
- Hairy Fleabane: Conyza bonariensis, Erigeron pubescens
- Hairy Flowering Fern: Anemia hirsuta
- Hairy Forget Me Not: Myosotis canescens
- Hairy Forked Nailwort: Paronychia fastigiata, Paronychia fastigiata var. nuttallii, Paronychia fastigiata var. paleacea
- Hairy Four O Clock: Mirabilis hirsuta
- Hairy Four O’clock: Mirabilis hirsuta
- Hairy Four Oclock: Mirabilis hirsuta
- Hairy Four-O’clock: Mirabilis hirsuta
- Hairy Fournwort: Tetramerium nervosum
- Hairy Galinsoga: Galinsoga quadriradiata
- Hairy Gardenia: Atractocarpus hirtus
- Hairy Garlic: Allium subhirsutum
- Hairy Germander: Teucrium canadense
- Hairy Goldaster: Heterotheca villosa
- Hairy Golden Aster: Chrysopsis villosa ’San Bruno Mountain’, Heterotheca villosa
- Hairy Goldenaster: Heterotheca villosa
- Hairy Goldenrod: Solidago hispida
- Hairy Gourd: Benincasa hispida var. chieh-gua ’Chinese Fuzzy’, Benincasa hispida var. chieh-gua ’Farmer’s Favorite’, Benincasa hispida var. chieh-gua ’Long Fuzzy’, Benincasa hispida var. chieh-gua ’Long Star’, Benincasa hispida var. chieh-gua ’Mokwa’, Benincasa hispida var. chieh-gua ’Seven Star’
- Hairy Grama: Bouteloua hirsuta
- Hairy Gramma: Bouteloua hirsuta
- Hairy Greenthread: Thelesperma pubescens
- Hairy Greenweed: Genista pilosa, Genista pilosa ’Goldilocks’
- Hairy Gumweed: Grindelia hirsutula, Grindelia hirsutula Hook. & Arn. var. davyi (Jeps.) M.A.Lane
- Hairy Halberd Fern: Tectaria coriandrifolia
- Hairy Hawkbit: Leontodon taraxacoides
- Hairy Hawkweed: Hieracium gronovii, Hieracium lanatum, Hieracium longipilum
- Hairy Hedgenettle: Stachys pilosa
- Hairy Hollyhock: Alcea rugosa
- Hairy Honeysuckle: Lonicera hirsuta
- Hairy Honohono: Commelina benghalensis
- Hairy Horsebrush: Tetradymia comosa
- Hairy Huckleberry: Vaccinium hirsutum
- Hairy Hydrolea: Hydrolea ovata
- Hairy Indian Mallow: Abutilon grandiflorum, Abutilon grandifolium
- Hairy Indian Paintbrush: Castilleja tenuis
- Hairy Indian-Mallow: Abutilon grandifolium
- Hairy Indigo: Indigofera hirsuta
- Hairy Ironwort: Sideritis lanata
- Hairy Johnnyberry: Miconia lanata
- Hairy Joint-Vetch: Aeschynomene villosa
- Hairy Jointgrass: Arthraxon hispidus
- Hairy Jointweed: Polygonella basiramia, Polygonella ciliata
- Hairy Joyweed: Alternanthera flavogrisea
- Hairy Lady’s Mantle: Alchemilla monticola
- Hairy Ladyslipper: Cypripedium pubescens
- Hairy Laurel: Kalmia hirsuta
- Hairy Lay-Lay: Cordia panamensis
- Hairy Lazydaisy: Aphanostephus pilosus
- Hairy Leafcup: Smallanthus uvedalius
- Hairy Leek Orchid: Prasophyllum morrisii
- Hairy Lespedeza: Lespedeza hirta, Lespedeza hirta hirta, Lespedeza juncea var. sericea
- Hairy Lettuce: Lactuca hirsuta, Lactuca hirsuta var. hirsuta Muhl. ex Nutt., Lactuca hirsuta var. albiflora, Lactuca hirsuta var. sanguinea
- Hairy Lipfern: Cheilanthes lanosa, Cheilanthes lanosa var. album
- Hairy Lobelia: Lobelia villosa
- Hairy Lousewort: Pedicularis hirsuta
- Hairy Low Rabbitbrush: Chrysothamnus viscidiflorus puberulus
- Hairy Ludwigia: Ludwigia hirtella
- Hairy Lupin: Lupinus polycarpus
- Hairy Lychee: Nephelium lappaceum
- Hairy Maiden Fern: Thelypteris hispidula var. versicolor, Thelypteris pilosa
- Hairy Maidenhair: Adiantum hirsutum, Adiantum tricholepis
- Hairy Maidenhair Fern: Adiantum tricholepis
- Hairy Manzanita: Arctostaphylos columbiana, Arctostaphylos columbiana columbiana, Arctostaphylos hispidula, Arctostaphylos tomentosa
- Hairy Marsh-Mallow: Althaea hirsuta
- Hairy Marshmallow: Althaea hirsuta
- Hairy Meadow Parsnip: Thaspium barbinode
- Hairy Medick: Medicago monspeliaca
- Hairy Melic: Melica ciliata
- Hairy Melicope: Melicope puberula
- Hairy Merremia: Merremia aegyptia
- Hairy Milkweed: Funastrum hirtellum
- Hairy Mint: Mentha villosa
- Hairy Mint-Bush: Prostanthera hirtula
- Hairy Mistletoe: Phoradendron tomentosum
- Hairy Mock Orange: Philadelphus crinitus, Philadelphus hirsutus
- Hairy Morning-Glory: Merremia aegyptia
- Hairy Mountain Mahogany: Cercocarpus breviflorus, Cercocarpus montanus var. paucidentatus
- Hairy Muhly: Muhlenbergia villiflora, Muhlenbergia villiflora var. villosa
- Hairy Nightshade: Solanum physalifolium
- Hairy Nutrush: Scleria scindens
- Hairy Oatgrass: Rytidosperma pilosum
- Hairy Orcutt Grass: Orcuttia pilosa
- Hairy Owl’s Clover: Castilleja tenuis
- Hairy Owl’s-Clover: Castilleja tenuis
- Hairy Oxalis: Oxalis hirsutissima
- Hairy Pagoda-Plant: Blephilia hirsuta
- Hairy Paintbrush: Castilleja pilosa
- Hairy Panic Grass: Panicum hirsutum
- Hairy Panicgrass: Panicum hirsutum
- Hairy Pennywort: Hydrocotyle hirta
- Hairy Pepperweed: Lepidium virginicum L. var. pubescens (Greene) Thell., Lepidium virginicum var. pubescens
- Hairy Pepperwort: Marsilea vestita
- Hairy Phacelia: Phacelia hirsuta
- Hairy Phlox: Phlox amoena
- Hairy Pinweed: Lechea mucronata
- Hairy Prairie Clover: Dalea mollis
- Hairy Prairie-Clover: Dalea mollis
- Hairy Prairieclover: Dalea mollis
- Hairy Primrose-Willow: Ludwigia pilosa
- Hairy Primrosewillow: Ludwigia pilosa
- Hairy Puccoon: Lithospermum caroliniense
- Hairy Purslane: Portulaca villosa
- Hairy Pussy Ears: Calochortus tolmiei
- Hairy Ragweed: Ambrosia canescens
- Hairy Rattleweed: Baptisia arachnifera
- Hairy Rock-Daisy: Perityle ciliata
- Hairy Rockcress: Arabis hirsuta, Arabis hirsuta pycnocarpa, Arabis hirsuta sagittata, Arabis hirsuta var. glabrata, Braya pilosa
- Hairy Rockrose: Cistus incanus, Cistus incanus corsicus, Cistus incanus creticus
- Hairy Rupturewort: Herniaria hirsuta, Herniaria hirsuta hirsuta, Herniaria hirsuta var. cinerea
- Hairy Sand Verbena: Abronia villosa
- Hairy Sandmat: Chamaesyce villifera
- Hairy Sandspurry: Spergularia villosa
- Hairy Schiedea: Schiedea pubescens
- Hairy Sedge: Carex lacustris
- Hairy Seedbox: Ludwigia pilosa
- Hairy Sensitive Pea: Chamaecrista pilosa
- Hairy Shadow Witch: Ponthieva racemosa
- Hairy Signalgrass: Urochloa villosa
- Hairy Skullcap: Scutellaria elliptica
- Hairy Small-Leaf Tick Trefoil: Desmodium ciliare
- Hairy Small-Leaf Ticktrefoil: Desmodium ciliare
- Hairy Small-Leaved Tick-Trefoil: Desmodium ciliare
- Hairy Smartweed: Polygonum hirsutum
- Hairy Smother-Weed: Bassia hirsuta
- Hairy Smotherweed: Bassia hirsuta
- Hairy Snakefern: Microgramma piloselloides
- Hairy Snowbells: Soldanella villosa
- Hairy Solomon’s Seal: Polygonatum pubescens
- Hairy Speedwell: Veronica calycina
- Hairy Spotflower: Acmella pilosa
- Hairy Spurge: Chamaesyce hirta
- Hairy Stinkweed: Cleomella obtusifolia
- Hairy Suncup: Camissonia pubens
- Hairy Sunflower: Helianthus hirsutus
- Hairy Swamp Loosestrife: Decodon verticillatus
- Hairy Sweet-Cicely: Osmorhiza claytonii
- Hairy Synandra: Synandra hispidula
- Hairy Toad Lily: Tricyrtis hirta, Tricyrtis hirta ’Miyazaki Gold’, Tricyrtis hirta ’Raspberry Mousse’
- Hairy Tobaccoweed: Elephantopus tomentosus
- Hairy Tomato: Lycopersicon hirsutum
- Hairy Triaca: Argylia tomentosa
- Hairy Tridens: Erioneuron pilosum
- Hairy Tubetongue: Siphonoglossa pilosella
- Hairy Umbrella-Sedge: Fuirena squarrosa
- Hairy Umbrellasedge: Fuirena squarrosa
- Hairy Vetch: Vicia benghalensis, Vicia hirsuta, Vicia villosa, Vicia villosa villosa
- Hairy Violet: Viola hirta
- Hairy Wallaby Grass: Rytidosperma pilosum
- Hairy Wandering Jew: Tradescantia sillamontana
- Hairy Water Clover: Marsilea vestita
- Hairy Water-Clover: Marsilea vestita
- Hairy Water-Fern: Marsilea vestita
- Hairy Waterclover: Marsilea vestita
- Hairy Wattle: Acacia lanigera, Acacia vestita
- Hairy Wedelia: Wedelia texana
- Hairy White Oldfield Aster: Symphyotrichum pilosum
- Hairy Whitethorn: Ceanothus oliganthus
- Hairy Whitetop: Cardaria pubescens
- Hairy Wikstroemia: Wikstroemia villosa
- Hairy Wild Cabbage: Caulanthus pilosus
- Hairy Wild Coffee: Psychotria pubescens
- Hairy Wild Lettuce: Lactuca hirsuta var. sanguinea (Bigelow) Fern., Lactuca hirsuta var. sanguinea
- Hairy Wild Rye: Elymus villosus
- Hairy Wild-Cabbage: Caulanthus pilosus
- Hairy Wild-Indigo: Baptisia cinerea
- Hairy Wildcabbage: Caulanthus pilosus
- Hairy Wildrye: Elymus hirsutus, Elymus villosus
- Hairy Willow Herb: Epilobium hirsutum
- Hairy Willow-Herb: Epilobium ciliatum, Epilobium ciliatum ciliatum, Epilobium hirsutum
- Hairy Willowherb: Epilobium ciliatum, Epilobium ciliatum ciliatum, Epilobium ciliatum watsonii
- Hairy Willowweed: Epilobium ciliatum, Epilobium ciliatum ciliatum, Epilobium ciliatum watsonii
- Hairy Wood Brome Grass: Bromus pubescens
- Hairy Wood Mint: Blephilia hirsuta
- Hairy Wood-Rush: Luzula pilosa
- Hairy Woodland Brome: Bromus pubescens
- Hairy Woodmint: Blephilia hirsuta
- Hairy Woodrose: Merremia aegyptia
- Hairy Woodrush: Luzula acuminata, Luzula acuminata acuminata, Luzula rufescens
- Hairy Woollygrass: Erioneuron pilosum
- Hairy Xanthosia: Xanthosia pusilla
- Hairy Yellow Vetch: Vicia hybrida
- Hairy Yerba Santa: Eriodictyon trichocalyx
- Hairy Yerba-Santa: Eriodictyon trichocalyx
- Hairy-Beast Turtleback: Psathyrotes pilifera
- Hairy-Flower Bellflower: Campanula chamissonis
- Hairy-Flower Wild Petunia: Ruellia ciliatiflora
- Hairy-Fruit Chervil: Chaerophyllum tainturieri
- Hairy-Fruit Sedge: Carex trichocarpa
- Hairy-Fruit Spurge: Euphorbia dentata
- Hairy-Fruited Broom: Cytisus striatus
- Hairy-Pod Pepper-Grass: Lepidium lasiocarpum
- Hairy-pod Pepperwort: Lepidium lasiocarpum Nutt. var. lasiocarpum Nutt.
- Hairy-Pod Wattle: Acacia glandulicarpa
- Hairy-Seed Bahia: Bahia absinthifolia
- Hairy-seed False Goldfields: Bahia absinthifolia Benth. var. absinthifolia Benth.
- Hairy-Seed Fleabane: Erigeron poliospermus
- Hairy-Seed Paspalum: Paspalum pubiflorum, Paspalum pubiflorum var. pubiflorum
- Hairy-Sheath Lovegrass: Eragrostis trichocolea
- Hairy-Stem Gooseberry: Ribes hirtellum
- Hairy-Stem Rush: Juncus capillaris
- Hairybeast Brittlestem: Psathyrotes pilifera
- Hairybeast Turtleback: Psathyrotes pilifera
- Hairybroom: Cytisus villosus
- Hairyflower Bellflower: Campanula chamissonis, Campanula chamissonis ’Oyobenii’
- Hairyflower Buckwheat: Eriogonum hirtiflorum
- Hairyflower Lovegrass: Eragrostis trichophora
- Hairyflower Spiderwort: Tradescantia hirsutiflora
- Hairyflower Wild Petunia: Ruellia ciliatiflora
- Hairyfruit Chervil: Chaerophyllum procumbens, Chaerophyllum tainturieri, Chaerophyllum tainturieri var. dasycarpum
- Hairyfruit Chewstick: Gouania hillebrandii
- Hairyfruit Croton: Croton lachnocarpus
- Hairyfruit Sedge: Carex trichocarpa
- Hairyjoint Meadowparsnip: Thaspium barbinode
- Hairyleaf Bahia: Bahia absinthifolia
- Hairyleaf Bristlegrass: Setaria villosissima
- Hairyleaf Dewberry: Rubus plus
- Hairyleaf Rush: Juncus supiniformis
- Hairyleaf Wildcabbage: Guillenia lasiophylla
- Hairypink: Petrorhagia dubia
- Hairypod Cowpea: Vigna luteola
- Hairypod Hedgemustard: Sisymbrium officinale
- Hairypod Pepperweed: Lepidium lasiocarpum, Lepidium lasiocarpum Nutt. var. lasiocarpum Nutt.
- Hairyseed Bahia: Bahia absinthifolia, Bahia absinthifolia Benth. var. absinthifolia Benth.
- Hairyseed Cornsalad: Valerianella amarella
- Hairyseed Paspalum: Paspalum pubiflorum, Paspalum pubiflorum var. pubiflorum
- Hairysheath Lovegrass: Eragrostis polytricha, Eragrostis trichocolea, Eragrostis trichocolea var. floridana, Eragrostis trichocolea var. trichocolea
- Hairyspine Thaspium: Thaspium barbinode
- Hairystem Dwarf Rush: Juncus capillaris
- Hairystem Gooseberry: Ribes hirtellum
- Hairystem Rockcress: Arabis sparsiflora Nutt. var. subvillosa (S.Watson) Rollins
- Hairystem Spiderwort: Tradescantia hirsuticaulis
- Hairytwig Huckleberry: Gaylussacia tomentosa
- Haitian Catalpa: Catalpa longissima
- Haitian Ground Snake: Darlingtonia haetiana
- Haitian Hot Pepper: Capsicum annuum’Haitian’
- Haji Baba Daylily: Hemerocallis ’Haji Baba’
- Hakea: Hakea decurrens, Hakea lissosperma, Hakea purpurea
- Hakia Wattle: Acacia hakeoides
- Hakone Grass: Hakonechloa macra, Hakonechloa macra ’Albo Striata’
- Hakone Happiness Daylily: Hemerocallis ’Hakone Happiness’
- Haku Chu Han Hosta: Hosta ’Haku Chu Han’
- Haku Ookan Clematis: Clematis ’Haku Ookan’
- Haku-botan Japanese Iris: Iris ensata ’Haku-Botan’
- Haku-botan Russian Iris Iris Ensata: Iris ensata ’Haku-Botan’
- Hakumuo Hosta: Hosta ’Hakumuo’
- Hakuo Azalea: Rhododendron ’Hakuo’
- Hakuro-Nishiki Willow: Salix integra ’Hakuro-nishiki’
- Hakuyo Hosta: Hosta ’Hakuyo’
- Hala: Pandanus tectorius
- Hala Pepe: Pleomele hawaiiensis
- Halasoa: Pyranthus alasoa
- Halberd Leaved Swamp Mallow: Hibiscus laevis
- Halberd Willow: Salix hastata
- Halberd-Leaf Orache: Atriplex patula, Atriplex patula patula, Atriplex patula spicata
- Halberd-Leaf Rose-Mallow: Hibiscus laevis
- Halberd-Leaf Rosemallow: Hibiscus laevis
- Halberd-Leaf Saltbush: Atriplex patula
- Halberd-Leaf Violet: Viola hastata
- Halberd-Leaved Rose-Mallow: Hibiscus laevis
- Halberdleaf Orach: Atriplex calotheca, Atriplex subspicata
- Halberdleaf Rosemallow: Hibiscus laevis
- Halberdleaf Tearthumb: Polygonum arifolium
- Halberdleaf Yellow Violet: Viola hastata
- Halcyon Daylily: Hemerocallis ’Halcyon’
- Halcyon Harmony Hosta: Hosta ’Halcyon Harmony’
- Halcyon Hosta: Hosta’Halcyon’
- Halcyon Plantain Lily: Hosta × tardiana ’Halcyon’
- Halcyon Seas Siberian Iris Iris Si: Iris sibirica ’Halcyon Seas’
- Hale Hosta: Hosta ’Hale’
- Hale’s Pentodon: Pentodon pentandrus
- Haleakala Catchfly: Silene cryptopetala
- Haleakala Clermontia: Clermontia tuberculata
- Haleakala Fir-Clubmoss: Huperzia haleakalae
- Haleakala Lobelia: Lobelia grayana
- Haleakala Melicope: Melicope haleakalae
- Haleakala Sandalwood: Santalum haleakalae
- Haleakala Schiedea: Schiedea haleakalensis
- Haleakala Silversword: Argyroxiphium sandwicense macrocephalum
- Haleakala Spleenwort: Asplenium haleakalense
- Haleakala Starviolet: Wiegmannia foliosa
- Haleakala Stenogyne: Stenogyne haliakalae
- Haleakalae Tetramolopium: Tetramolopium humile haleakalae
- Halemanu’s Broomspurge: Chamaesyce halemanui
- Halesia: Halesia macgregorii
- Half Flower: Scaevola plumieri, Scaevola sericea var. taccada (Gaertn.) Thieret & B.Lipscomb
- Half Pint Daylily: Hemerocallis ’Half Pint’
- Half Pint Hosta: Hosta ’Half Pint’
- Half Runner Bean: Phaseolus vulgaris ’NT Half Runner’
- Half Runner Snap Bean: Phaseolus vulgaris ’Nickell’
- Half-barred Goby: Pterostylis cv
- Half-high Highbush Blueberry: Vaccinium ’Northcountry’, Vaccinium ’Northsky’, Vaccinium ’Northblue’, Vaccinium ’Northland’
- Half-Mans: Pachypodium namaquanum
- Half-Ring Pod Milkvetch: Astragalus mohavensis var. hemigyrus
- Halfbanded Rockfish: Plesioneuron woodlarkensis
- Halfbeak: Viola kjellbergii
- Halfmen: Pachypodium namaquanum
- Halfmoon Milkvetch: Astragalus allochrous, Astragalus allochrous var. playanus
- Halfnetfern: Hemidictyum marginatum
- Halfring Milkvetch: Astragalus mohavensis var. hemigyrus
- Halfshrub Calylophus: Calylophus serrulatus
- Halfshrub Rockmat: Petrophyton cinerascens
- Halfshrub Sundrop: Calylophus serrulatus, Oenothera albicaulis
- Halfway To Heaven Tall Bearded Iris: Iris ’Halfway To Heaven’
- Halia: Zingiber officinale
- Halia Bara: Zingiber officinale var. rubrum ’Theilade’
- Halifax Blackberry: Rubus russeus
- Halifax Daylily: Hemerocallis ’Halifax’
- Halimede Sheenmark: Eurybia halimede
- Halimolobos: Halimolobos virgata
- Halka Honey Locust: Gleditsia triacanthos ’Christie’, Gleditsia triacanthos var. inermis ’Christie’
- Hall Milkvetch: Astragalus hallii var. fallax, Astragalus hallii var. hallii
- Hall Milkweed: Asclepias hallii
- Hall of Fame Daylily: Hemerocallis ’Hall Of Fame’
- Hall of Song Daylily: Hemerocallis ’Hall Of Song’
- Hall Panicum: Panicum hallii
- Hall Sedge: Carex halliana
- Hall’s Archidium Moss: Archidium hallii
- Hall’s Aster: Symphyotrichum hallii
- Hall’s Beardtongue: Penstemon hallii
- Hall’s Bedstraw: Galium hallii
- Hall’s Bentgrass: Agrostis hallii, Agrostis hallii var. hallii
- Hall’s Biscuitroot: Lomatium hallii
- Hall’s Bruchia Moss: Bruchia hallii
- Hall’s Bulrush: Schoenoplectus hallii
- Hall’s Bush Lupine: Lupinus excubitus hallii var. hallii
- Hall’s California Tea: Rupertia hallii
- Hall’s Columbiadoria: Columbiadoria hallii
- Hall’s Daisy: Erigeron aequifolius
- Hall’s Fescue: Festuca hallii
- Hall’s Fissidens Moss: Fissidens hallii
- Hall’s Fleabane: Erigeron aequifolius
- Hall’s Goldenweed: Columbiadoria hallii
- Hall’s Gumweed: Grindelia hirsutula Hook. & Arn. var. hallii (Steyerm. ex Rothr.
- Hall’s Honeysuckle: Lonicera japonica ’Halliana’
- Hall’s Madia: Madia hallii
- Hall’s Milkvetch: Astragalus hallii, Astragalus hallii var. fallax, Astragalus hallii var. hallii
- Hall’s Milkweed: Asclepias hallii
- Hall’s Monardella: Monardella macrantha ssp. hallii (Abrams) Abrams
- Hall’s Mule-Ears: Wyethia elata
- Hall’s Orthotrichum Moss: Orthotrichum hallii
- Hall’s Panic: Panicum hallii
- Hall’s Panic Grass: Panicum hallii
- Hall’s Panicgrass: Panicum hallii, Panicum hallii var. filipes
- Hall’s Panicum: Panicum hallii
- Hall’s Pentodon: Pentodon pentandrus
- Hall’s Phaeoceros: Phaeoceros hallii
- Hall’s Prairie Clover: Dalea hallii
- Hall’s Prairie-Clover: Dalea hallii
- Hall’s Prairieclover: Dalea hallii
- Hall’s Prolific Japanese Honeysuckle: Lonicera japonica ’Hall’s Prolific’
- Hall’s Rush: Juncus hallii
- Hall’s Sedge: Carex halliana, Carex halliana var. harperi, Carex nudata
- Hall’s Shrubby-Spurge: Tetracoccus hallii
- Hall’s Tarweed: Hemizonia halliana
- Hall’s Thistle: Cirsium hallii
- Hall’s Wild Cabbage: Caulanthus hallii
- Hall’s Wild-Cabbage: Caulanthus hallii
- Hall’s Willowweed: Epilobium halleanum
- Hallcroft Daylily: Hemerocallis ’Hallcroft’
- Hallelujah Chorus Daylily: Hemerocallis ’Hallelujah Chorus’
- Hallelujah Painted Nettle Solenostemon Scutellario: Solenostemon scutellarioides ’Hallelujah’
- Hallelujah Trail Daylily: Hemerocallis ’Hallelujah Trail’
- Haller’s Campylium Moss: Campylium halleri
- Hallers Pasque-Flower: Pulsatilla halleri
- Hallers Spitzkiel: Oxytropis halleri
- Halley 3155 Tomato Lycopersicon Lycopersicum: Lycopersicon lycopersicum ’Halley 3155’
- Halley’s Comet Florida Anise Tree: Illicium floridanum ’Halley’s Comet’
- Halleys Comet Daylily: Hemerocallis ’Halleys Comet’
- Hallmark Daylily: Hemerocallis ’Hallmark’
- Hallmark Red Daylily: Hemerocallis ’Hallmark Red’
- Hallowday Daylily: Hemerocallis ’Hallowday’
- Hallowed Thought Tall Bearded Iris: Iris ’Hallowed Thought’
- Halloween Candy Daylily: Hemerocallis ’Halloween Candy’
- Halloween Canna Lily: Canna x generalis’Halloween’
- Halloween Halo Tall Bearded Iris: Iris ’Halloween Halo’
- Halloween High Jinx Daylily: Hemerocallis ’Halloween High Jinx’
- Halloween Mask Daylily: Hemerocallis ’Halloween Mask’
- Halloween Party Tall Bearded Iris: Iris ’Halloween Party’
- Halloween Pumpkin Tall Bearded Iris: Iris ’Halloween Pumpkin’
- Halloween Treat Daylily: Hemerocallis ’Halloween Treat’
- Halls Aster: Symphyotrichum hallii
- Halls Beard-Tongue: Penstemon hallii
- Halls Bedstraw: Galium hallii
- Halls Bentgrass: Agrostis hallii
- Halls Fescue: Festuca hallii
- Halls Fiftieth Anniversary Daylily: Hemerocallis ’Hall’s Fiftieth Anniversary’
- Halls Fleabane: Erigeron aequifolius
- Halls Honeysuckle: Lonicera japonica, Lonicera japonica ’Halliana’
- Halls Milkvetch: Astragalus hallii
- Halls Milkweed: Asclepias hallii
- Halls Panicgrass: Panicum hallii, Panicum hallii var. filipes
- Halls Panicum: Panicum hallii
- Halls Penstemon: Penstemon hallii
- Halls Prairie Clover: Dalea hallii
- Halls Tarweed: Hemizonia halliana
- Halls Thistle: Cirsium hallii
- Halls Willowherb: Epilobium halleanum
- Hally Jolivette Cherry: Prunus x ’Hally Jolivette’
- Hally Jolivette Flowering Cherry: Prunus x ’Hally Jolivette’
- Hall`s Japanese Honeysuckle: Lonicera japonica ’Halliana’
- Halo Hosta: Hosta ’Halo’
- Halo In Pink Tall Bearded Iris: Iris ’Halo in Pink’
- Halo In Rosewood Tall Bearded Iris: Iris ’Halo in Rosewood’
- Halo In Yellow Tall Bearded Iris: Iris ’Halo in Yellow’
- Halo’s Aglitter African Violet: Saintpaulia ’Halo’s Aglitter’
- Halodule: Halodule uninervis
- Halogeton: Halogeton glomeratus
- Halogeton Halogeton Glomeratus: Halogeton glomeratus
- Haloragis: Haloragis ’Wanganui Bronze’
- Halston Intermediate Bearded Iri: Iris ’Halston’
- Halter Top Daylily: Hemerocallis ’Halter Top’
- Haltom Classic Daylily: Hemerocallis ’Haltom Classic’
- Hamada Contorted Hosta: Hosta ’Hamada Contorted’
- Hamakua Clermontia: Clermontia pyrularia
- Hamatocaulis Moss: Hamatocaulis vernicosus
- Hamburg: Petroselinum crispum var. tuberosum ’Eagle’, Petroselinum crispum var. tuberosum ’Omega’
- Hamburg Hydrangea: Hydrangea macrophylla ’Hamburg’
- Hamburg Parsley: Petroselinum crispum var. tuberosum, Petroselinum crispum var. tuberosum ’Bartowich Long’, Petroselinum crispum var. tuberosum ’Fakir’
- Hamburger Bean: Mucuna sloanei
- Hamburger-Bean: Mucuna sloanei
- Hame: Antidesma pulvinatum
- Hameln Fountain Grass: Pennisetum alopecuroides ’Hameln’
- Hamilton Clair Daylily: Hemerocallis ’Hamilton Clair’
- Hamilton Hail Daylily: Hemerocallis ’Hamilton Hail’
- Hamilton Milkvetch: Astragalus hamiltonii
- Hamilton’s Milkvetch: Astragalus hamiltonii
- Hamilton’s Spindletree: Euonymus hamiltoniana
- Hamiltons Milkvetch: Astragalus hamiltonii
- Hamlet: Dicranum platycaulon
- Hamlet Daylily: Hemerocallis ’Hamlet’
- Hammer Orchid: Drakaea jeanensis
- Hammer Sedge: Carex hirta
- Hammer’s Rose Cape Honeysuckle: Tecomaria capensis ’Hammer’s Rose’
- Hammered Brass Daylily: Hemerocallis ’Hammered Brass’
- Hammitt’s Claycress: Sibaropsis hammittii
- Hammock Bog Orchid: Habenaria distans
- Hammock Fern: Blechnum appendiculatum, Blechnum occidentale
- Hammock Maple: Acer barbatum
- Hammock Prairie-Clover: Dalea carnea
- Hammock Reinorchid: Habenaria distans
- Hammock Sedge: Carex fissa, Carex fissa Mack. var. aristata F.J.Herm.
- Hammock Shrub-Verbena: Lantana canescens
- Hammock Shrubverbena: Lantana canescens
- Hammock Snakeroot: Ageratina jucunda
- Hammock Thorough-Wort: Ageratina jucunda
- Hammock Velvetseed: Guettarda elliptica
- Hammock Viper’s-Tail: Pentalinon luteum
- Hammockherb: Hasteola robertiorum
- Hammond’s Claytonia: Claytonia virginica var. hammondiae (Kalmb.) Doyle, Lewis & Snyd
- Hammond’s Yellow Spring Beauty: Claytonia virginica var. hammondiae (Kalmb.) Doyle, Lewis & Snyd
- Hampe’s Entodon Moss: Entodon hampeanus
- Hampshire County Hosta: Hosta ’Hampshire County’
- Hampstead Heath Daylily: Hemerocallis ’Hampstead Heath’
- Hampton Classic Daylily: Hemerocallis ’Hampton Classic’
- Hampton Hocus Pocus Daylily: Hemerocallis ’Hampton Hocus Pocus’
- Hampton Horizon Tall Bearded Iris: Iris ’Hampton Horizon’
- Hampton Magic Daylily: Hemerocallis ’Hampton Magic’
- Hampton Park Daylily: Hemerocallis ’Hampton Park’
- Hana Clermontia: Clermontia samuelii, Clermontia samuelii samuelii
- Hana Forest Silversword: Argyroxiphium grayanum
- Hana Melicope: Melicope ovalis
- Hana-Funori: Gloiopeltis complanata
- Hanagasumi Siberian Iris Iris Si: Iris sibirica ’Hanagasumi’
- Hanalei Daylily: Hemerocallis ’Hanalei’
- Hanapepe River Colicwood: Myrsine mezii
- Hanaupah Laphamia: Perityle villosa
- Hanaupah Rock Daisy: Perityle villosa
- Hanaupah Rockdaisy: Perityle villosa
- Hanayana: Chondria armata
- Hanbury’s Garcinia: Garcinia hanburyi
- Hances Tanbark: Lithocarpus hancei
- Hancock’s Curse: Polygonum cuspidatum
- Hand Bonnet Orchid: Pleurothallis appendiculata
- Hand Fern: Cheiroglossa palmata, Doryopteris palmata
- Hand of Mary: Vitex trifolia
- Hand Painted Daylily: Hemerocallis ’Hand Painted’
- Hand Painted Tall Bearded Iris: Iris ’Hand Painted’
- Hand Plant Tree: Chiranthodendron pentadactylon
- Handiwork Daylily: Hemerocallis ’Handiwork’
- Handkerchief Tree: Davidia involucrata, Davidia involucrata ’Sonoma’, Maniltoa grandiflora
- Handshake Tall Bearded Iris: Iris ’Handshake’
- Handsome Beardtongue: Penstemon lentus, Penstemon lentus var. albiflorus, Penstemon lentus var. lentus
- Handsome Beau Daylily: Hemerocallis ’Handsome Beau’
- Handsome Cat’s-Eye: Cryptantha paradoxa
- Handsome Catseye: Cryptantha paradoxa
- Handsome Cryptantha: Cryptantha paradoxa
- Handsome Dylan Daylily: Hemerocallis ’Handsome Dylan’
- Handsome Ed Daylily: Hemerocallis ’Handsome Ed’
- Handsome Fungus Beetle: Danae androgyna
- Handsome Harry: Rhexia virginica
- Handsome is Daylily: Hemerocallis ’Handsome Is’
- Handsome Penstemon: Penstemon lentus
- Handsome Phacelia: Phacelia peirsoniana
- Handsome Prince Daylily: Hemerocallis ’Handsome Prince’
- Handsome Reward Daylily: Hemerocallis ’Handsome Reward’
- Handsome Ross Carter Daylily: Hemerocallis ’Handsome Ross Carter’
- Handsome Sampson Daylily: Hemerocallis ’Handsome Sampson’
- Handsome Sedge: Carex formosa
- Handsome Spikemoss: Selaginella subcaulescens
- Handy Hatfield Hosta: Hosta ’Handy Hatfield’
- Handyman Daylily: Hemerocallis ’Handyman’
- Handyman Tall Bearded Iris: Iris ’Handyman’
- Hanes’ Blackberry: Rubus hanesii
- Hang The Moon Daylily: Hemerocallis ’Hang The Moon’
- Hanged-Man Orchid: Aceras anthropophora
- Hanging Bulrush: Scirpus pendulus
- Hanging Cactus: Echinocereus pensilis
- Hanging Chain Cholla: Opuntia fulgida
- Hanging Clubmoss: Huperzia dichotoma
- Hanging Ivy Geranium: Pelargonium peltatum
- Hanging Lobster Claw: Heliconia rostrata
- Hanging Sedge: Carex pendula, Carex pendula ’Moonraker’
- Hanging With Hootie Daylily: Hemerocallis ’Hanging With Hootie’
- Hangingpod Milkvetch: Astragalus atropubescens
- Hangpod Crazyweed: Oxytropis deflexa
- Hankie Chrysanthemum: Chrysanthemum ’Hankie’
- Hankow Daylily: Hemerocallis ’Hankow’
- Hankow Willow: Salix matsudana, Salix matsudana ’Tortuosa’, Salix matsudana Koidz. ’Umbraculifera’, Salix matsudana ’Navajo’
- Hanky Panky Daylily: Hemerocallis ’Hanky Panky’
- Hanley Lentinj Hosta: Hosta ’Hanley Lentinj’
- Hannah Daylily: Hemerocallis ’Hannah’
- Hannah Elmgren Daylily: Hemerocallis ’Hannah Elmgren’
- Hannah Garden Mum: Chrysanthemum ’Hannah’
- Hannahs Hideaway Daylily: Hemerocallis ’Hannah’s Hideaway’
- Hannibal Daylily: Hemerocallis ’Hannibal’
- Hannover Start Daylily: Hemerocallis ’Hannover Start’
- Hanoi Daylily: Hemerocallis ’Hanoi’
- Hanover Surprise Painted Nettle Solenostemon Scute: Solenostemon scutellarioides ’Hanover Surprise’
- Hans Sass Daylily: Hemerocallis ’Hans Sass’
- Hansa Hybrid Rugosa Rose: Rosa rugosa ’Hansa’
- Hansa Japanese Rose: Rosa rugosa ’Hansa’
- Hansen Squirreltail: Elymus hansenii
- Hansen’s Larkspur: Delphinium hansenii
- Hansen’s Spikemoss: Selaginella hansenii
- Hansen’s Wildrye: Elymus hansenii
- Hansens Bush Cherry: Prunus pumila var. besseyi
- Hansine Seaslug: Olea hansineensis
- Hansons Lily: Lilium hansonii
- Hapeman’s Coolwort:
|