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 1,051–1,100 of 3,373.
- Delissea sinuata Hillebr. DESI3Waianae Range delissea · Campanulaceae
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Delphinium elatum L. DEEL2candle larkspur · Ranunculaceae -
Delphinium hutchinsoniae Ewan DEHUMonterey larkspur · Ranunculaceae -
Delphinium parishii A. Gray ssp. pallidum (Munz) Warnock DEPAP4pallid larkspur · Ranunculaceae -
Delphinium parryi A. Gray ssp. eastwoodiae Ewan DEPAE2Eastwood's larkspur · Ranunculaceae -
Delphinium variegatum Torr. & A. Gray ssp. kinkiense (Munz) Warnock DEVAKroyal larkspur · Ranunculaceae - Delphinium variegatum Torr. & A. Gray ssp. thornei Munz DEVATroyal larkspur · Ranunculaceae
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Dendromecon harfordii Kellogg DEHA3Harford's tree poppy · Papaveraceae -
Dendromecon rigida Benth. ssp. rhamnoides (Greene) Thorne DERIRtree poppy · Papaveraceae -
Dennstaedtia cicutaria (Sw.) T. Moore DECI3tropical hayscented fern · Dennstaedtiaceae -
Dennstaedtia globulifera (Poir.) Hieron. DEGL6southern hayscented fern · Dennstaedtiaceae -
Deparia cataracticola M. Kato DECA4false spleenwort · Dryopteridaceae -
Desmanthus bicornutus S. Watson DEBI8two-horn bundleflower · Fabaceae -
Desmanthus covillei (Britton & Rose) Wiggins ex B.L. Turner DECO4Coville's bundleflower · Fabaceae -
Desmanthus leptophyllus Kunth DELE8slenderleaf bundleflower · Fabaceae -
Desmodium cajanifolium (Kunth) DC. DECA15tropical ticktrefoil · Fabaceae -
Desmodium heterocarpon (L.) DC. DEHE80Asian ticktrefoil · Fabaceae - Desmodium heterocarpon (L.) DC. var. strigosum van Meeuwen DEHESAsian ticktrefoil · Fabaceae
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Desmodium scopulorum S. Watson DESC3Sonoran ticktrefoil · Fabaceae -
Deutzia crenata Siebold & Zucc. DECRcrenate pride-of-Rochester · Hydrangeaceae - Deutzia ×magnifica (Lem.) Rehder [crenata × longifolia] DEMA10pride-of-Rochester · Hydrangeaceae
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Dianella caerulea Sims DICA11cerulean flaxlily · Liliaceae -
Dianthus sylvestris Wulfen DISY2woodland pink · Caryophyllaceae -
Dicerandra frutescens Shinners ssp. modesta R.B. Huck DIFRMscrub balm · Lamiaceae -
Dicerandra ×thinicola H.A. Mill. (pro sp.) [densiflora × sp.] DITH3balm · Lamiaceae -
Dichanthelium koolauense (H. St. John & Hosaka) C.A. Clark & Gould DIKOKoolau rosette grass · Poaceae -
Dichelyma pallescens Schimp. DIPA18dichelyma moss · Fontinalaceae -
Dichondra sericea Sw. DISE8silverleaf ponysfoot · Convolvulaceae -
Dichromanthus cinnabarinus (Llave & Lex.) Garay DICI3scarlet lady's tresses · Orchidaceae -
Dicranum condensatum Hedw. DICO17condensed dicranum moss · Dicranaceae -
Dicranum montanum Hedw. DIMO6montane dicranum moss · Dicranaceae -
Dicranum spurium Hedw. DISP8dicranum moss · Dicranaceae -
Digitaria fuscescens (J. Presl) Henr. DIFUyellow crabgrass · Poaceae -
Digitaria pauciflora Hitchc. DIPA5twospike crabgrass · Poaceae -
Dimocarpus longan Lour. DILO7longan · Sapindaceae -
Dioscorea trifida L. f. DITR3Indian yam · Dioscoreaceae -
Diospyros ebenum J. Koenig ex Retz. DIEB2ebony · Ebenaceae -
Diospyros maritima Blume DIMA24Malaysian persimmon · Ebenaceae -
Diphysa thurberi (A. Gray) Rydb. DITHThurber's diphysa · Fabaceae -
Diplacus aurantiacus (W. Curtis) Jeps. ssp. australis (McMinn) R.M. Beeks DIAUA2orange bush monkeyflower · Scrophulariaceae -
Diplacus linearis (Benth.) Greene DILI4chaparral bush monkeyflower · Scrophulariaceae - Diplacus lompocensis McMinn DILO5Lompoc Mesa bush monkeyflower · Scrophulariaceae
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Dipogon lignosus (L.) Verdc. DILI8okie bean · Fabaceae -
Dissanthelium californicum (Nutt.) Benth. DICA5Catalina grass · Poaceae -
Dodecatheon dentatum Hook. ssp. utahense (N.H. Holmgren) Kartesz DODEUwhite shootingstar · Primulaceae -
Dorstenia contrajerva L. DOCO3tusilla · Moraceae -
Douglasia nivalis Lindl. var. dentata (S. Watson) A. Gray DONIDsnow dwarf-primrose · Primulaceae -
Downingia concolor Greene var. brevior McVaugh DOCOBmaroonspot calicoflower · Campanulaceae -
Draba asprella Greene var. kaibabensis C.L. Hitchc. DRASKKaibab draba · Brassicaceae - Draba asprella Greene var. stelligera O.E. Schulz DRASSrough draba · Brassicaceae