Calflora		Genus Index   H
	Older names are written in gray. Use Name Status for synonym relationships. Hackelia Hackelia amethystina Hackelia bella Hackelia brevicula Hackelia californica Hackelia cusickii Hackelia floribunda Hackelia micrantha Hackelia mundula Hackelia nervosa Hackelia setosa Hackelia sharsmithii Hackelia velutina Hainardia Hainardia cylindrica Halimium Halimium lasianthum Halimodendron Halimodendron halodendron Halimolobos Halimolobos diffusa Halimolobos jaegeri Halimolobos virgata Halodule Halodule beaudettei Halodule wrightii Halogeton Halogeton glomeratus Haloragis Haloragis erecta Hamamelis Hamamelis vernalis Hamamelis virginiana Haplodontium Haplodontium tehamense Harmonia Harmonia doris-nilesiae Harmonia guggolziorum Harmonia hallii Harmonia nutans Harmonia stebbinsii Harpagonella Harpagonella palmeri Hartmaniella Hartmaniella sierrae Hastingsia Hastingsia alba Hastingsia serpentinicola Hazardia Hazardia brickellioides Hazardia cana Hazardia detonsa Hazardia orcuttii Hazardia squarrosa Hazardia squarrosa var. grindelioides Hazardia squarrosa var. obtusa Hazardia squarrosa var. squarrosa Hazardia stenolepis Hazardia whitneyi Hazardia whitneyi var. discoidea Hazardia whitneyi var. whitneyi Hebe Hebe speciosa Hebe ×franciscana Hecastocleis Hecastocleis shockleyi Hedeoma Hedeoma drummondii Hedeoma nana Hedeoma nana ssp. californica Hedeoma nana var. californica Hedeoma nanum var. californicum Hedera Hedera canariensis Hedera colchica Hedera helix Hedera hibernica Hedwigia Hedwigia ciliata Hedwigia detonsa Hedwigia stellata Hedychium Hedychium flavescens Hedychium gardnerianum Hedypnois Hedypnois cretica Hedypnois rhagadioloides Helenium Helenium amarum Helenium amarum var. amarum Helenium autumnale Helenium autumnale var. grandiflorum Helenium autumnale var. montanum Helenium bigelovii Helenium bolanderi Helenium puberulum Helenium thurberi Helianthella Helianthella californica Helianthella californica var. californica Helianthella californica var. nevadensis Helianthella californica var. shastensis Helianthella castanea Helianthus Helianthus angustifolius Helianthus annuus Helianthus bolanderi Helianthus californicus Helianthus ciliaris Helianthus cusickii Helianthus exilis Helianthus gracilentus Helianthus inexpectatus Helianthus laciniatus Helianthus maximilianii Helianthus niveus Helianthus niveus ssp. canescens Helianthus niveus ssp. tephrodes Helianthus nuttallii Helianthus nuttallii ssp. nuttallii Helianthus nuttallii ssp. parishii Helianthus petiolaris Helianthus petiolaris ssp. canescens Helianthus petiolaris ssp. petiolaris Helianthus tuberosus Helianthus winteri Helichrysum Helichrysum petiolare Heliomeris Heliomeris hispida Heliomeris multiflora Heliomeris multiflora var. multiflora Heliomeris multiflora var. nevadensis Heliotropium Heliotropium amplexicaule Heliotropium convolvulaceum Heliotropium convolvulaceum var. californicum Heliotropium curassavicum Heliotropium curassavicum var. obovatum Heliotropium curassavicum var. oculatum Heliotropium europaeum Heliotropium procumbens Heliotropium procumbens var. procumbens Heliotropium supinum Helminthotheca Helminthotheca echioides Helodium Helodium blandowii Hemerocallis Hemerocallis fulva Hemieva Hemieva ranunculifolia Hemitomes Hemitomes congestum Hemizonella Hemizonella minima Hemizonia Hemizonia arida Hemizonia clementina Hemizonia congesta Hemizonia congesta ssp. calyculata Hemizonia congesta ssp. clevelandii Hemizonia congesta ssp. congesta Hemizonia congesta ssp. leucocephala Hemizonia congesta ssp. lutescens Hemizonia congesta ssp. luzulifolia Hemizonia congesta ssp. tracyi Hemizonia conjugens Hemizonia corymbosa Hemizonia corymbosa ssp. corymbosa Hemizonia corymbosa ssp. macrocephala Hemizonia fasciculata Hemizonia fitchii Hemizonia floribunda Hemizonia halliana Hemizonia increscens Hemizonia increscens ssp. foliosa Hemizonia increscens ssp. increscens Hemizonia increscens ssp. villosa Hemizonia kelloggii Hemizonia lobbii Hemizonia minthornii Hemizonia mohavensis Hemizonia pallida Hemizonia paniculata Hemizonia parryi Hemizonia parryi ssp. australis Hemizonia parryi ssp. congdonii Hemizonia parryi ssp. parryi Hemizonia parryi ssp. rudis Hemizonia pentactis Hemizonia pungens Hemizonia pungens ssp. laevis Hemizonia pungens ssp. maritima Hemizonia pungens ssp. pungens Hemizonia pungens ssp. septentrionalis Hennediella Hennediella heimii Hennediella stanfordensis Heracleum Heracleum lanatum Heracleum mantegazzianum Heracleum maximum Heracleum sphondylium Herissantia Herissantia crispa Herniaria Herniaria hirsuta Herniaria hirsuta ssp. cinerea Herniaria hirsuta ssp. hirsuta Herniaria hirsuta var. cinerea Herniaria hirsuta var. hirsuta Herzogiella Herzogiella seligeri Herzogiella striatella Hesperevax Hesperevax acaulis Hesperevax acaulis var. acaulis Hesperevax acaulis var. ambusticola Hesperevax acaulis var. robustior Hesperevax caulescens Hesperevax sparsiflora Hesperevax sparsiflora var. brevifolia Hesperevax sparsiflora var. sparsiflora Hesperidanthus Hesperidanthus jaegeri Hesperis Hesperis matronalis Hesperocallis Hesperocallis undulata Hesperochiron Hesperochiron californicus Hesperochiron nanus Hesperochiron pumilus Hesperocnide Hesperocnide tenella Hesperocyparis Hesperocyparis abramsiana Hesperocyparis abramsiana var. abramsiana Hesperocyparis abramsiana var. butanoensis Hesperocyparis bakeri Hesperocyparis forbesii Hesperocyparis goveniana Hesperocyparis macnabiana Hesperocyparis macrocarpa Hesperocyparis nevadensis Hesperocyparis pigmaea Hesperocyparis pygmaea Hesperocyparis sargentii Hesperocyparis stephensonii Hesperolinon Hesperolinon adenophyllum Hesperolinon bicarpellatum Hesperolinon breweri Hesperolinon californicum Hesperolinon clevelandii Hesperolinon congestum Hesperolinon didymocarpum Hesperolinon disjunctum Hesperolinon drymarioides Hesperolinon micranthum Hesperolinon sharsmithiae Hesperolinon spergulinum Hesperolinon tehamense Hesperomecon Hesperomecon linearis Hesperoyucca Hesperoyucca whipplei Heteranthemis Heteranthemis viscidehirta Heteranthemis viscidihirta Heteranthera Heteranthera dubia Heteranthera limosa Heteranthera multiflora Heteranthera rotundifolia Heterocladium Heterocladium macounii Heterocodon Heterocodon rariflorum Heteromeles Heteromeles arbutifolia Heteropogon Heteropogon contortus Heterotheca Heterotheca grandiflora Heterotheca monarchensis Heterotheca oregona Heterotheca oregona var. compacta Heterotheca oregona var. oregona Heterotheca oregona var. rudis Heterotheca oregona var. scaberrima Heterotheca psammophila Heterotheca sessiliflora Heterotheca sessiliflora ssp. bolanderi Heterotheca sessiliflora ssp. echioides Heterotheca sessiliflora ssp. fastigiata Heterotheca sessiliflora ssp. sessiliflora Heterotheca sessiliflora var. bolanderoides Heterotheca shevockii Heterotheca subaxillaris Heterotheca subaxillaris ssp. latifolia Heterotheca villosa Heterotheca villosa var. hispida Heterotheca villosa var. minor Heterotheca villosa var. scabra Heterotheca villosa var. shevockii Heterotheca villosa var. villosa Heuchera Heuchera abramsii Heuchera alpestris Heuchera brevistaminea Heuchera caespitosa Heuchera cespitosa Heuchera chlorantha Heuchera cylindrica Heuchera cylindrica var. alpina Heuchera cylindrica var. glabella Heuchera duranii Heuchera elegans Heuchera hirsutissima Heuchera maxima Heuchera merriamii Heuchera micrantha Heuchera micrantha var. diversifolia Heuchera micrantha var. erubescens Heuchera micrantha var. macropetala Heuchera micrantha var. micrantha Heuchera parishii Heuchera parviflora Heuchera parvifolia Heuchera pilosissima Heuchera pilosissima var. hemisphaerica Heuchera pilosissima var. pilosissima Heuchera pringlei Heuchera rubescens Heuchera rubescens var. alpicola Heuchera rubescens var. glandulosa Heuchera rubescens var. rydbergiana Heuchera rubescens var. versicolor Heuchera sanguinea Hibiscus Hibiscus denudatus Hibiscus lasiocarpos Hibiscus lasiocarpos var. occidentalis Hibiscus rosa-sinensis Hibiscus syriacus Hibiscus trionum Hieracium Hieracium albiflorum Hieracium argutum Hieracium aurantiacum Hieracium bolanderi Hieracium gracile Hieracium greenei Hieracium horridum Hieracium nudicaule Hieracium parryi Hieracium scouleri Hieracium scouleri var. nudicaule Hieracium triste Hierochloe Hierochloe hirta Hierochloe hirta ssp. arctica Hierochloe occidentalis Hierochloe odorata Hilaria Hilaria jamesii Hilaria rigida Hippuris Hippuris vulgaris Hirschfeldia Hirschfeldia incana Hoffmannseggia Hoffmannseggia drepanocarpa Hoffmannseggia glauca Hoffmannseggia microphylla Hoffmannseggia peninsularis Hoheria Hoheria populnea Hoita Hoita macrostachya Hoita orbicularis Hoita strobilina Holcus Holcus lanatus Holcus mollis Hollisteria Hollisteria lanata Holmgrenanthe Holmgrenanthe petrophila Holocarpha Holocarpha heermannii Holocarpha macradenia Holocarpha obconica Holocarpha obconica ssp. autumnalis Holocarpha obconica ssp. obconica Holocarpha virgata Holocarpha virgata ssp. elongata Holocarpha virgata ssp. virgata Holodiscus Holodiscus discolor Holodiscus discolor var. cedrorum Holodiscus discolor var. discolor Holodiscus discolor var. glabrescens Holodiscus discolor var. microphyllus Holodiscus dumosus Holodiscus microphyllus Holodiscus microphyllus var. glabrescens Holodiscus microphyllus var. microphyllus Holosteum Holosteum umbellatum Holosteum umbellatum ssp. umbellatum Holozonia Holozonia filipes Homalocladium Homalocladium platycladum Homalothecium Homalothecium aeneum Homalothecium arenarium Homalothecium californicum Homalothecium fulgescens Homalothecium nevadense Homalothecium nuttallii Homalothecium pinnatifidum Homomallium Homomallium mexicanum Hookeria Hookeria lucens Hooveria Hooveria parviflora Hooveria purpurea Hooveria purpurea var. purpurea Hooveria purpurea var. reducta Hordeum Hordeum arizonicum Hordeum brachyantherum Hordeum brachyantherum ssp. brachyantherum Hordeum brachyantherum ssp. californicum Hordeum depressum Hordeum intercedens Hordeum jubatum Hordeum jubatum ssp. jubatum Hordeum marinum Hordeum marinum ssp. gussoneanum Hordeum marinum ssp. marinum Hordeum murinum Hordeum murinum ssp. glaucum Hordeum murinum ssp. leporinum Hordeum murinum ssp. murinum Hordeum spontaneum Hordeum vulgare Hordeum vulgare var. trifurcatum Hordeum vulgare var. vulgare Horkelia Horkelia bolanderi Horkelia californica Horkelia californica ssp. californica Horkelia californica ssp. dissita Horkelia californica ssp. frondosa Horkelia californica var. californica Horkelia californica var. elata Horkelia californica var. frondosa Horkelia clevelandii Horkelia clevelandii var. clevelandii Horkelia congesta Horkelia congesta ssp. nemorosa Horkelia congesta var. nemorosa Horkelia cuneata Horkelia cuneata ssp. cuneata Horkelia cuneata ssp. puberula Horkelia cuneata ssp. sericea Horkelia cuneata var. cuneata Horkelia cuneata var. puberula Horkelia cuneata var. sericea Horkelia daucifolia Horkelia daucifolia var. daucifolia Horkelia daucifolia var. indicta Horkelia fusca Horkelia fusca ssp. capitata Horkelia fusca ssp. parviflora Horkelia fusca ssp. tenella Horkelia fusca var. brownii Horkelia fusca var. parviflora Horkelia fusca var. pseudocapitata Horkelia fusca var. tenella Horkelia hendersonii Horkelia hispidula Horkelia howellii Horkelia marinensis Horkelia parryi Horkelia rydbergii Horkelia sericata Horkelia tenuiloba Horkelia tridentata Horkelia tridentata ssp. flavescens Horkelia tridentata ssp. tridentata Horkelia tridentata var. flavescens Horkelia tridentata var. tridentata Horkelia truncata Horkelia tularensis Horkelia wilderae Horkelia yadonii Horkeliella Horkeliella congdonis Horkeliella purpurascens Hornungia Hornungia procumbens Horsfordia Horsfordia alata Horsfordia newberryi Hosackia Hosackia crassifolia Hosackia crassifolia var. crassifolia Hosackia crassifolia var. otayensis Hosackia crassifolius Hosackia crassifolius var. otayensis Hosackia gracilis Hosackia incana Hosackia oblongifolia Hosackia oblongifolia var. cuprea Hosackia oblongifolia var. oblongifolia Hosackia pinnata Hosackia rosea Hosackia stipularis Hosackia stipularis var. ottleyi Hosackia stipularis var. stipularis Hosackia yollabolliensis Howellanthus Howellanthus dalesianus Howellia Howellia aquatilis Hulsea Hulsea algida Hulsea brevifolia Hulsea californica Hulsea heterochroma Hulsea mexicana Hulsea nana Hulsea vestita Hulsea vestita ssp. callicarpha Hulsea vestita ssp. gabrielensis Hulsea vestita ssp. inyoensis Hulsea vestita ssp. parryi Hulsea vestita ssp. pygmaea Hulsea vestita ssp. vestita Humulus Humulus americanus Humulus lupulus Humulus lupulus var. lupuloides Hunnemannia Hunnemannia fumariifolia Hyacinthus Hyacinthus orientalis Hydrilla Hydrilla verticillata Hydrocharis Hydrocharis morsus-ranae Hydrocotyle Hydrocotyle moschata Hydrocotyle ranunculoides Hydrocotyle sibthorpioides Hydrocotyle umbellata Hydrocotyle verticillata Hydrogrimmia Hydrogrimmia mollis Hydrophyllum Hydrophyllum alpestre Hydrophyllum canadense Hydrophyllum capitatum Hydrophyllum capitatum var. alpinum Hydrophyllum fendleri Hydrophyllum fendleri var. albifrons Hydrophyllum occidentale Hydrophyllum tenuipes Hygroamblystegium Hygroamblystegium tenax Hygrobiella Hygrobiella laxifolia Hygrohypnella Hygrohypnella ochracea Hygrohypnum Hygrohypnum luridum Hygrohypnum styriacum Hylocomiadelphus Hylocomiadelphus triquetrus Hylocomium Hylocomium splendens Hymenoloma Hymenoloma crispulum Hymenopappus Hymenopappus filifolius Hymenopappus filifolius var. eriopodus Hymenopappus filifolius var. lugens Hymenopappus filifolius var. megacephalus Hymenopappus filifolius var. nanus Hymenostylium Hymenostylium recurvirostrum Hymenothrix Hymenothrix dissecta Hymenothrix loomisii Hymenothrix wrightii Hymenoxys Hymenoxys acaulis var. arizonica Hymenoxys cooperi Hymenoxys cooperi var. canescens Hymenoxys cooperi var. cooperi Hymenoxys hoopesii Hymenoxys lemmonii Hymenoxys odorata Hyparrhenia Hyparrhenia hirta Hypericum Hypericum anagalloides Hypericum androsaemum Hypericum ascyron Hypericum calycinum Hypericum canariense Hypericum concinnum Hypericum formosum Hypericum formosum var. scouleri Hypericum grandifolium Hypericum hookerianum Hypericum mutilum Hypericum mutilum ssp. mutilum Hypericum perforatum Hypericum perforatum ssp. perforatum Hypericum scouleri Hypochaeris Hypochaeris glabra Hypochaeris radicata Hypogymnia Hypogymnia heterophylla Hypogymnia schizidiata