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
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Showing 1,151–1,200 of 9,281.
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Blepharipappus scaber Hook. ssp. laevis (A. Gray) D.D. Keck BLSCLrough eyelashweed · Asteraceae -
Blepharizonia plumosa (Kellogg) Greene ssp. plumosa BLPLPbig tarweed · Asteraceae -
Bletia florida (Salisb.) R. Br. BLFLslender pinepink · Orchidaceae -
Bletia patula Graham BLPAflor de pasmo · Orchidaceae - Bletia patula Graham var. patula BLPAPflor de pasmo · Orchidaceae
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Bletilla striata (Thunb.) Rchb. f. BLSTurn orchid · Orchidaceae -
Bloomeria crocea (Torr.) Coville var. aurea (Kellogg) J.W. Ingram BLCRAcommon goldenstar · Liliaceae - Bloomeria crocea (Torr.) Coville var. montana (Greene) J.W. Ingram BLCRMcommon goldenstar · Liliaceae
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Bloomeria humilis Hoover BLHUdwarf goldenstar · Liliaceae -
Blumea laciniata (Roxb.) DC. BLLAcutleaf false oxtongue · Asteraceae -
Blumea sessiliflora Decne. BLSE2sessileleaf false oxtongue · Asteraceae -
Blysmus rufus (Huds.) Link BLRUred bulrush · Cyperaceae -
Blyxa aubertii Rich. BLAUroundfruit blyxa · Hydrocharitaceae -
Bobea brevipes A. Gray BOBR3'akupa · Rubiaceae -
Bobea elatior Gaudich. BOEL3'ahakea lau nui · Rubiaceae -
Bobea sandwicensis (A. Gray) Hillebr. BOSA2Hawai'i dogweed · Rubiaceae -
Bobea timonioides (Hook. f.) Hillebr. BOTI'ahakea · Rubiaceae -
Bocconia frutescens L. BOFR2parrotweed · Papaveraceae -
Boehmeria grandis (Hook. & Arn.) A. Heller BOGR3Hawai'i false nettle · Urticaceae -
Boerhavia anisophylla Torr. BOANwineflower · Nyctaginaceae -
Boerhavia herbstii Fosberg BOHE2alena · Nyctaginaceae -
Boerhavia mathisiana F.B. Jones BOMA5Mathis' spiderling · Nyctaginaceae -
Boerhavia megaptera Standl. BOMETucson Mountain spiderling · Nyctaginaceae -
Boerhavia pterocarpa S. Watson BOPTApache Pass spiderling · Nyctaginaceae -
Boerhavia repens L. BORE4anena · Nyctaginaceae -
Boerhavia triquetra S. Watson BOTRslender spiderling · Nyctaginaceae -
Boltonia apalachicolensis L.C. Anderson BOAPApalachicola doll's daisy · Asteraceae -
Boltonia montana J.F. Towns. & Kar.-Castro BOMO4Mountain Doll's Daisy · Asteraceae -
Bonamia menziesii A. Gray BOME2Hawai'i lady's nightcap · Convolvulaceae -
Bonamia ovalifolia (Torr.) Hallier f. BOOV2bigpod lady's nightcap · Convolvulaceae -
Bonamia repens (I.M. Johnst.) Austin & Staples BORE9creeping lady's nightcap · Convolvulaceae -
Bontia daphnoides L. BODAwhite alling · Myoporaceae -
Borrichia arborescens (L.) DC. BOAR2tree seaside tansy · Asteraceae - Borrichia ×cubana Britton & S.F. Blake (pro sp.) [arborescens × frutescens] BOCU2seaside tansy · Asteraceae
- Bothriochloa edwardsiana (Gould) Parodi BOEDEdwards Plateau beardgrass · Poaceae
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Bothriochloa ischaemum (L.) Keng var. ischaemum BOISIyellow bluestem · Poaceae -
Bothriochloa wrightii (Hack.) Henr. BOWR2Wright's beardgrass · Poaceae -
Bothriospermum tenellum (Hornem.) Fisch. & C.A. Mey. BOTE4leaf between flower · Boraginaceae -
Botrychium acuminatum W.H. Wagner BOAC2tailed grapefern · Ophioglossaceae -
Botrychium alaskense W.H. Wagner & J.R. Grant BOAL7Alaska moonwort · Ophioglossaceae -
Botrychium gallicomontanum Farrar & Johnson-Groh BOGA2Frenchman's Bluff grapefern · Ophioglossaceae -
Botrychium pseudopinnatum W.H. Wagner BOPSfalse daisyleaf moonwort · Ophioglossaceae -
Botrychium pumicola Coville ex Underw. BOPU2Crater Lake grapefern · Ophioglossaceae -
Botrychium spathulatum W.H. Wagner BOSP4spathulate botrychium · Ophioglossaceae -
Botrychium tunux Stensvold & Farrar BOTU3grapefern · Ophioglossaceae -
Botrychium yaaxudakeit Stensvold & Farrar BOYAgrapefern · Ophioglossaceae -
Bouchea prismatica (L.) Kuntze BOPRprism bouchea · Verbenaceae -
Bouchea spathulata Torr. BOSP2spoonleaf · Verbenaceae -
Bougainvillea glabra Choisy BOGL4paperflower · Nyctaginaceae -
Bourreria cassinifolia (A. Rich.) Griseb. BOCA4smooth strongbark · Boraginaceae