Explore / Range and rarity / Rare (≤ 5 counties)
Range and rarity
Rare (≤ 5 counties)
A broader rarity slice: taxa known from five counties or fewer nationwide. Includes single-county endemics plus the next-most-restricted species.
- Matching taxa
- 9,281
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- max_counties=5
Showing 6,051–6,100 of 9,281.
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Noccaea fendleri (A. Gray) Holub ssp. californica (S. Watson) Al-Shehbaz & M. Koch NOFECKneeland Prairie pennycress · Brassicaceae -
Noccaea fendleri (A. Gray) Holub ssp. siskiyouensis (P.K. Holmgren) Al-Shehbaz & M. Koch NOFESSiskiyou pennycress · Brassicaceae -
Nolina arenicola Correll NOARTrans-Pecos beargrass · Liliaceae -
Nolina cismontana Dice NOCIPeninsular beargrass · Liliaceae -
Nolina erumpens (Torr.) S. Watson NOERfoothill beargrass · Liliaceae -
Nolina greenei S. Watson ex Trel. NOGR5woodland beargrass · Liliaceae -
Nolina interrata Gentry NOINDehesa beargrass · Liliaceae -
Nolina micrantha I.M. Johnst. NOMI2chaparral beargrass · Liliaceae - Nomaphila stricta (Vahl) Nees NOST3stiff beargrass · Acanthaceae
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Nonea rosea (M. Bieb.) Link NOROrose monkswort · Boraginaceae -
Nonea vesicaria (L.) Rchb. NOVEred monkswort · Boraginaceae -
Nothocestrum breviflorum A. Gray NOBR2smallflower aiea · Solanaceae -
Nothocestrum latifolium A. Gray NOLAbroadleaf aiea · Solanaceae -
Nothocestrum longifolium A. Gray NOLOlongleaf aiea · Solanaceae -
Nothocestrum peltatum Skottsb. NOPEOahu aiea · Solanaceae -
Notholaena aliena Maxon NOALforeign cloak fern · Pteridaceae -
Notholaena grayi Davenport ssp. sonorensis Windham NOGRSSonoran cloak fern · Pteridaceae -
Notholaena greggii (Mett. ex Kuhn) Maxon NOGR2Gregg's cloak fern · Pteridaceae -
Notholaena lemmonii D.C. Eaton NOLELemmon's cloak fern · Pteridaceae -
Notholaena nealleyi Seaton ex J.M. Coult. NONE4Nealley's cloak fern · Pteridaceae -
Notholaena neglecta Maxon NONEMaxon's cloak fern · Pteridaceae -
Notholithocarpus densiflorus (Hook. & Arn.) P.S. Manos, C.H. Cannon, & S.H. Oh f. attenuatodentatus (J.M. Tucker, Sundahl & D.O. Hall) P.M. McDonald, J.W. Zhang, Senock, & J.W. Wright NODEAmutant tanoak · Fagaceae -
Nototrichium humile Hillebr. NOHUkaala rockwort · Amaranthaceae -
Nototrichium sandwicense (A. Gray) Hillebr. NOSAHawai'i rockwort · Amaranthaceae - Nymphaea ampla (Salisb.) DC. NYAM2dotleaf waterlily · Nymphaeaceae
- Nymphaea ampla (Salisb.) DC. var. ampla NYAMAdotleaf waterlily · Nymphaeaceae
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Nymphaea lotus L. NYLOwhite Egyptian lotus · Nymphaeaceae - Nymphaea ×daubenyana W.T. Baxter ex Daubeny [caerulea × micrantha] NYDAwaterlily · Nymphaeaceae
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Nymphoides aquatica × cordata [unnamed hybrid] NYAQ3hybrid floatingheart · Menyanthaceae -
Nymphoides cristata (Roxb.) Kuntze NYCRcrested floatingheart · Menyanthaceae -
Nymphoides humboldtiana (Kunth) Kuntze NYHUfloatingheart · Menyanthaceae -
Nymphoides indica (L.) Kuntze NYINwater snowflake · Menyanthaceae -
Nyssa ursina Small NYUR2bear tupelo · Cornaceae -
Ochna serrulata (Hochst.) Walp. OCSE2Mickey Mouse plant · Ochnaceae -
Ochrosia compta K. Schum. OCCOholei · Apocynaceae -
Ochrosia elliptica Labill. OCELelliptic yellowwood · Apocynaceae -
Ochrosia haleakalae H. St. John OCHAisland yellowwood · Apocynaceae -
Ochrosia kauaiensis H. St. John OCKAKauai yellowwood · Apocynaceae - Ochrosia kilaueaensis H. St. John OCKIHawai'i yellowwood · Apocynaceae
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Ocimum campechianum Mill. OCCA5least basil · Lamiaceae -
Ocimum gratissimum L. OCGRAfrican basil · Lamiaceae -
Odontonema callistachyum (Schltdl. & Cham.) Kuntze ODCA2Acanthaceae -
Odontosoria clavata L. ODCLclubbed creepingfern · Dennstaedtiaceae -
Oenanthe aquatica (L.) Poir. OEAQfineleaf waterdropwort · Apiaceae -
Oenanthe pimpinelloides L. OEPIcorkyfruit waterdropwort · Apiaceae -
Oenothera acutissima W.L. Wagner OEACFlaming Gorge evening primrose · Onagraceae -
Oenothera affinis Camb. OEAFlongflower evening primrose · Onagraceae -
Oenothera arida W.L. Wagner & Hoch OEAR5Trans-Pecos beeblossom · Onagraceae -
Oenothera arizonica (Munz) W.L. Wagner OEAR4California evening primrose · Onagraceae -
Oenothera boquillensis (P.H. Raven & D.P. Greg.) W.L. Wagner & Hoch OEBORio Grande beeblossom · Onagraceae