Hackelia deflexa --- nodding stickseed
Hackelia deflexa var. americana --- American stickseed
Hackelia floribunda --- manyflower stickseed
Hackelia micrantha --- Jessica sticktight
Hackelia patens --- spotted stickseed
Hackelia patens var. patens --- spotted stickseed
Halenia deflexa --- American spurred gentian
Halimodendron --- halimodendron
Halimodendron halodendron --- common salttree
Halimolobos virgata --- rod halimolobos
Halogeton glomeratus --- saltlover
Harbouria trachypleura --- whiskbroom parsley
Hedeoma drummondii --- Drummond's false pennyroyal
Hedeoma hispida --- rough false pennyroyal
Hedysarum alpinum --- alpine sweetvetch
Hedysarum boreale --- boreal sweetvetch
Hedysarum boreale ssp. boreale --- boreal sweetvetch
Hedysarum boreale ssp. boreale var. boreale --- boreal sweetvetch
Hedysarum occidentale --- western sweetvetch
Hedysarum occidentale var. occidentale --- western sweetvetch
Hedysarum sulphurescens --- white sweetvetch
Helenium autumnale --- common sneezeweed
Helenium autumnale var. montanum --- mountain sneezeweed
Helianthella quinquenervis --- fivenerve helianthella
Helianthella uniflora --- oneflower helianthella
Helianthella uniflora var. uniflora --- oneflower helianthella
Helianthemum bicknellii --- hoary frostweed
Helianthus annuus --- common sunflower
Helianthus maximiliani --- Maximilian sunflower
Helianthus nuttallii --- Nuttall's sunflower
Helianthus nuttallii ssp. nuttallii --- Nuttall's sunflower
Helianthus pauciflorus --- stiff sunflower
Helianthus pauciflorus ssp. subrhomboideus --- stiff sunflower
Helianthus petiolaris --- prairie sunflower
Helianthus petiolaris ssp. petiolaris --- prairie sunflower
Helianthus pumilus --- little sunflower
Helianthus tuberosus --- Jerusalem artichoke
Helictotrichon hookeri --- spikeoat
Heliomeris multiflora --- showy goldeneye
Heliomeris multiflora var. multiflora --- showy goldeneye
Heliotropium convolvulaceum --- phlox heliotrope
Heliotropium convolvulaceum var. convolvulaceum --- phlox heliotrope
Heliotropium curassavicum --- salt heliotrope
Heliotropium curassavicum var. obovatum --- seaside heliotrope
Heracleum maximum --- common cowparsnip
Hesperis matronalis --- dames rocket
Hesperochiron californicus --- California hesperochiron
Hesperochiron pumilus --- dwarf hesperochiron
Hesperostipa comata --- needle and thread
Hesperostipa comata ssp. comata --- needle and thread
Hesperostipa comata ssp. intermedia --- intermediate needle and thread
Hesperostipa curtiseta --- shortbristle needle and thread
Hesperostipa neomexicana --- New Mexico feathergrass
Hesperostipa spartea --- porcupinegrass
Heteranthera rotundifolia --- roundleaf mudplantain
Heterocodon rariflorum --- rareflower heterocodon
Heterotheca fulcrata --- rockyscree false goldenaster
Heterotheca fulcrata var. amplifolia --- rockyscree false goldenaster
Heterotheca fulcrata var. fulcrata --- rockyscree false goldenaster
Heterotheca pumila --- alpine false goldenaster
Heterotheca villosa --- hairy false goldenaster
Heterotheca villosa var. ballardii --- hairy false goldenaster
Heterotheca villosa var. depressa --- hairy false goldenaster
Heterotheca villosa var. foliosa --- hairy false goldenaster
Heterotheca villosa var. minor --- hairy false goldenaster
Heterotheca villosa var. nana --- hairy false goldenaster
Heterotheca villosa var. villosa --- hairy false goldenaster
Heuchera bracteata --- bracted alumroot
Heuchera cylindrica --- roundleaf alumroot
Heuchera cylindrica var. cylindrica --- roundleaf alumroot
Heuchera flabellifolia --- Bridger Mountain alumroot
Heuchera flabellifolia var. subsecta --- Bridger Mountain alumroot
Heuchera parvifolia --- littleleaf alumroot
Heuchera parvifolia var. major --- littleleaf alumroot
Heuchera parvifolia var. parvifolia --- littleleaf alumroot
Heuchera parvifolia var. utahensis --- Utah alumroot
Heuchera richardsonii --- Richardson's alumroot
Hieracium albiflorum --- white hawkweed
Hieracium aurantiacum --- orange hawkweed
Hieracium canadense --- Canadian hawkweed
Hieracium canadense var. canadense --- Canadian hawkweed
Hieracium cynoglossoides --- houndstongue hawkweed
Hieracium fendleri --- yellow hawkweed
Hieracium fendleri var. fendleri --- yellow hawkweed
Hieracium gracile --- slender hawkweed
Hieracium gracile var. gracile --- slender hawkweed
Hieracium scouleri --- Scouler's woollyweed
Hieracium scouleri var. scouleri --- Scouler's woollyweed
Hieracium umbellatum --- narrowleaf hawkweed
Hierochloe hirta --- northern sweetgrass
Hierochloe hirta ssp. arctica --- northern sweetgrass
Hippophae rhamnoides --- seabuckthorn
Hippuris vulgaris --- common mare's-tail
Holodiscus dumosus --- rockspirea
Hordeum brachyantherum --- meadow barley
Hordeum brachyantherum ssp. brachyantherum --- meadow barley
Hordeum jubatum --- foxtail barley
Hordeum jubatum ssp. intermedium --- intermediate barley
Hordeum jubatum ssp. jubatum --- foxtail barley
Hordeum murinum --- mouse barley
Hordeum murinum ssp. leporinum --- leporinum barley
Hordeum pusillum --- little barley
Hordeum vulgare --- common barley
Horkelia fusca --- pinewoods horkelia
Horkelia fusca ssp. parviflora --- smallflower horkelia
Hulsea algida --- Pacific hulsea
Humulus lupulus --- common hop
Humulus lupulus var. lupuloides --- common hop
Humulus lupulus var. neomexicanus --- common hop
Huperzia haleakalae --- Pacific clubmoss
Huperzia selago --- fir clubmoss
Huperzia selago var. densa --- fir clubmoss
Hutchinsia procumbens --- prostrate hutchinsia
Hydrophyllum capitatum --- ballhead waterleaf
Hydrophyllum capitatum var. capitatum --- ballhead waterleaf
Hydrophyllum fendleri --- Fendler's waterleaf
Hydrophyllum fendleri var. fendleri --- Fendler's waterleaf
Hymenopappus filifolius --- fineleaf hymenopappus
Hymenopappus filifolius var. luteus --- fineleaf hymenopappus
Hymenopappus filifolius var. nudipes --- alpine hymenopappus
Hymenopappus filifolius var. polycephalus --- manyhead hymenopappus
Hymenopappus tenuifolius --- Chalk Hill hymenopappus
Hymenoxys hoopesii --- owl's-claws
Hymenoxys richardsonii --- pingue rubberweed
Hymenoxys richardsonii var. floribunda --- Colorado rubberweed
Hymenoxys richardsonii var. richardsonii --- pingue rubberweed
Hyoscyamus niger --- black henbane
Hypericum perforatum --- common St. Johnswort
Hypericum scouleri --- Scouler's St. Johnswort
Hypericum scouleri ssp. nortoniae --- Norton's St. Johnswort
Hypericum scouleri ssp. scouleri --- Scouler's St. Johnswort

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