Explore / Range and rarity / Single-county taxa
Range and rarity
Single-county taxa
Taxa documented in only a single county across the entire catalogue. Mostly local endemics, sub-rank curiosities, and rarely-collected outliers — the eccentric edge of the flora.
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Showing 1,601–1,650 of 3,373.
- Hibiscadelphus bombycinus Forbes HIBO2hau kuahiwi · Malvaceae
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Hibiscadelphus crucibracteatus Hobdy HICRlava hau kuahiwi · Malvaceae -
Hibiscadelphus distans Bishop & D.R. Herbst HIDIKauai hau kuahiwi · Malvaceae -
Hibiscadelphus giffardianus Rock HIGIKilauea hau kuahiwi · Malvaceae -
Hibiscadelphus hualalaiensis Rock HIHUHualalai hau kuahiwi · Malvaceae - Hibiscadelphus stellatus H. Oppenh., Bustamente & Perlman HIST2stellar hau kuahiwi · Malvaceae
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Hibiscadelphus wilderianus Rock HIWIMaui hau kuahiwi · Malvaceae -
Hibiscus arnottianus A. Gray HIARwhite rosemallow · Malvaceae -
Hibiscus arnottianus A. Gray ssp. arnottianus HIARA2white rosemallow · Malvaceae -
Hibiscus arnottianus A. Gray ssp. immaculatus (Roe) D.M. Bates HIARIwhite rosemallow · Malvaceae -
Hibiscus arnottianus A. Gray ssp. punaluuensis (Skottsb.) D.M. Bates HIARP3punaluu rosemallow · Malvaceae -
Hibiscus calyphyllus Cav. HICA6lemonyellow rosemallow · Malvaceae -
Hibiscus cannabinus L. HICA5brown Indianhemp · Malvaceae -
Hibiscus clayi O. Deg. & I. Deg. HICLred Kauai rosemallow · Malvaceae -
Hibiscus kokio Hillebr. ex Wawra ssp. saintjohnianus (Roe) D.M. Bates HIKOSSt. John's rosemallow · Malvaceae -
Hibiscus waimeae A. Heller HIWAwhite Kauai rosemallow · Malvaceae -
Hibiscus waimeae A. Heller ssp. hannerae (O. Deg. & I. Deg.) D.M. Bates HIWAHwhite Kauai rosemallow · Malvaceae -
Hibiscus waimeae A. Heller ssp. waimeae HIWAWwhite Kauai rosemallow · Malvaceae -
Hieracium fendleri Sch. Bip. var. mogollense A. Gray HIFEMMogollon hawkweed · Asteraceae -
Hieracium gracile Hook. var. detonsum (A. Gray) A. Gray HIGRDlow alpine hawkweed · Asteraceae -
Hieracium maculatum Sm. HIMA3spotted hawkweed · Asteraceae -
Hieracium triste Willd. ex Spreng. var. fulvum Hultén HITRFwoolly hawkweed · Asteraceae -
Hieracium ×atramentarium (Naegeli & Peter) Zahn ex Engl. (pro sp.) [aurantiacum × piloselloides] HIAThawkweed · Asteraceae - Hieracium ×fernaldii Lepage [canadense × scabrum] HIFE2hawkweed · Asteraceae
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Hippocrepis comosa L. HICO3horseshoe vetch · Fabaceae -
Hoheria populnea A. Cunn. HOPO5lacebark · Malvaceae -
Holmgrenanthe petrophila (Coville & Morton) Elisens HOPE2rocklady · Scrophulariaceae -
Holmskioldia sanguinea Retz. HOSA2Chinese hatplant · Verbenaceae -
Holocarpha obconica (J.C. Clausen & D.D. Keck) D.D. Keck ssp. autumnalis D.D. Keck HOOBASan Joaquin tarweed · Asteraceae -
Homomallium adnatum (Hedw.) Broth. HOADhomomallium moss · Hypnaceae -
Hordeum marinum Huds. ssp. marinum HOMAMseaside barley · Poaceae -
Horkelia daucifolia (Greene) Rydb. ssp. latior D.D. Keck HODALcarrotleaf horkelia · Rosaceae -
Horkelia tularensis (J.T. Howell) Munz HOTUKern Plateau horkelia · Rosaceae -
Horkelia wilderae Parish HOWIBarton Flats horkelia · Rosaceae - Houstonia correllii (W.H. Lewis) Terrell HOCO2Correll's bluet · Rubiaceae
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Houstonia purpurea L. var. montana (Small) Terrell HOPUMVenus' pride · Rubiaceae -
Hulsea californica Torr. & A. Gray HUCASan Diego alpinegold · Asteraceae -
Hulsea mexicana Rydb. HUMEMexican alpinegold · Asteraceae -
Huperzia dichotoma (Jacq.) Trevis. HUDIhanging clubmoss · Lycopodiaceae -
Hybanthus linearifolius (Vahl) Urb. HYLI3chancleta · Violaceae - Hydrolea spinosa L. HYSPspiny false fiddleleaf · Hydrophyllaceae
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Hygrophila corymbosa (Blume) Lindau HYCO8starhorn · Acanthaceae -
Hygrophila difformis (L. f.) Blume HYDI7Water-Wisteria · Acanthaceae -
Hylocomium splendens (Hedw.) Schimp. HYSP70splendid feather moss · Hylocomiaceae -
Hymenocallis gholsonii G. Lom. Sm. & Garland HYGHGholson's spider-lily · Liliaceae -
Hymenocallis godfreyi G. Lom. Sm. & Darst HYGO2Godfrey's spiderlily · Liliaceae -
Hymenocallis henryae Traub var. glaucifolia J.N. Henry & G. Lom. Sm. HYHEGHenry's spiderlily · Liliaceae - Hymenocallis puntagordensis Traub HYPU10Punta Gorda spiderlily · Liliaceae
- Hymenoclea sandersonii (S.L. Welsh) N.H. Holmgren HYSA2Sanderson's burrobrush · Asteraceae
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Hymenophyllum tunbrigense (L.) Sm. HYTU2Tunbridge filmy fern · Hymenophyllaceae