§1State listing — Mid-Atlantic
Delaware
a regional flora of 3 counties
- State code
- DE · FIPS 10
- Taxa recorded
- 2,238
- Counties
- 3
§2Counties
Drill down to a county
§3Catalogue
All taxa recorded in Delaware
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Showing 1,201–1,250 of 1,949 (native).
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Oenothera humifusa Nutt. Native OEHUseabeach evening primrose · Onagraceae 1 county -
Oenothera laciniata Hill Native OELAcutleaf evening primrose · Onagraceae 1 county -
Oenothera oakesiana (A. Gray) J.W. Robbins ex S. Watson & J.M. Coult. Native OEOAOakes' evening primrose · Onagraceae 2 counties -
Oenothera parviflora L. Native OEPA5northern evening primrose · Onagraceae 1 county -
Oenothera perennis L. Native OEPElittle evening primrose · Onagraceae 2 counties -
Oldenlandia uniflora L. Native OLUNclustered mille graines · Rubiaceae 3 counties -
Onoclea sensibilis L. Native ONSEsensitive fern · Dryopteridaceae 3 counties -
Onosmodium virginianum (L.) A. DC. Native ONVI2wild Job's tears · Boraginaceae 2 counties -
Ophioglossum pusillum Raf. Native OPPU3northern adderstongue · Ophioglossaceae 1 county -
Ophioglossum vulgatum L. Native OPVUsouthern adderstongue · Ophioglossaceae 3 counties -
Opuntia humifusa (Raf.) Raf. Native OPHUdevil's-tongue · Cactaceae 1 county -
Orobanche uniflora L. Native ORUNoneflowered broomrape · Orobanchaceae 1 county -
Orontium aquaticum L. Native ORAQgoldenclub · Araceae 3 counties -
Orthilia secunda (L.) House Native ORSEsidebells wintergreen · Pyrolaceae 1 county -
Osmorhiza claytonii (Michx.) C.B. Clarke Native OSCLClayton's sweetroot · Apiaceae 1 county -
Osmorhiza longistylis (Torr.) DC. Native OSLOlongstyle sweetroot · Apiaceae 2 counties -
Osmunda cinnamomea L. Native OSCIcinnamon fern · Osmundaceae 3 counties - Osmunda cinnamomea L. var. cinnamomea Native OSCICcinnamon fern · Osmundaceae 3 counties
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Osmunda claytoniana L. Native OSCL2interrupted fern · Osmundaceae 2 counties -
Osmunda regalis L. Native OSREroyal fern · Osmundaceae 3 counties - Osmunda regalis L. var. spectabilis (Willd.) A. Gray Native OSRESroyal fern · Osmundaceae 3 counties
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Ostrya virginiana (Mill.) K. Koch Native OSVIhophornbeam · Betulaceae 1 county -
Oxalis dillenii Jacq. Native OXDI2slender yellow woodsorrel · Oxalidaceae 1 county -
Oxalis stricta L. Native OXSTcommon yellow oxalis · Oxalidaceae 1 county -
Oxalis violacea L. Native OXVIviolet woodsorrel · Oxalidaceae 2 counties -
Oxypolis canbyi (J.M. Coult. & Rose) Fernald Native OXCA2Canby's cowbane · Apiaceae 1 county -
Oxypolis rigidior (L.) Raf. Native OXRIstiff cowbane · Apiaceae 2 counties -
Packera anonyma (Alph. Wood) W.A. Weber & Á. Löve Native PAAN6Small's ragwort · Asteraceae 1 county -
Packera aurea (L.) Á. Löve & D. Löve Native PAAU3golden ragwort · Asteraceae 3 counties -
Packera paupercula (Michx.) Á. Löve & D. Löve Native PAPA20balsam groundsel · Asteraceae 1 county -
Packera tomentosa (Michx.) C. Jeffrey Native PATO4woolly ragwort · Asteraceae 2 counties -
Panax quinquefolius L. Native PAQUAmerican ginseng · Araliaceae 1 county -
Panax trifolius L. Native PATR2dwarf ginseng · Araliaceae 2 counties -
Panicum amarum Elliott Native PAAM2bitter panicgrass · Poaceae 3 counties - Panicum amarum Elliott var. amarulum (Hitchc. & Chase) P.G. Palmer Native PAAMA2coastal panicgrass · Poaceae 1 county
- Panicum amarum Elliott var. amarum Native PAAMA3bitter panicgrass · Poaceae 2 counties
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Panicum anceps Michx. Native PAANbeaked panicgrass · Poaceae 1 county -
Panicum capillare L. Native PACA6witchgrass · Poaceae 1 county -
Panicum dichotomiflorum Michx. Native PADIfall panicgrass · Poaceae 2 counties -
Panicum hemitomon Schult. Native PAHE2maidencane · Poaceae 2 counties -
Panicum philadelphicum Bernh. ex Trin. Native PAPHPhiladelphia panicgrass · Poaceae 2 counties -
Panicum rigidulum Bosc ex Nees Native PARI4redtop panicgrass · Poaceae 3 counties - Panicum rigidulum Bosc ex Nees var. combsii (Scribn. & C.R. Ball) Lelong Native PARICCombs' panicgrass · Poaceae 1 county
- Panicum rigidulum Bosc ex Nees var. elongatum (Pursh) Lelong Native PARIE2redtop panicgrass · Poaceae 2 counties
- Panicum rigidulum Bosc ex Nees var. pubescens (Vasey) Lelong Native PARIPredtop panicgrass · Poaceae 2 counties
- Panicum rigidulum Bosc ex Nees var. rigidulum Native PARIRredtop panicgrass · Poaceae 1 county
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Panicum verrucosum Muhl. Native PAVE2warty panicgrass · Poaceae 3 counties -
Panicum virgatum L. Native PAVI2switchgrass · Poaceae 3 counties - Panicum virgatum L. var. virgatum Native PAVIVswitchgrass · Poaceae 2 counties
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Paronychia canadensis (L.) Alph. Wood Native PACA11smooth forked nailwort · Caryophyllaceae 2 counties