Index / States / Illinois / Cass
§1County listing — Illinois
Cass County
Illinois
- FIPS
- 17017
- Taxa recorded
- 1,389
- State
- Illinois
Filter
Showing 851–900 of 1,389.
-
Oenothera gaura W.L. Wagner & Hoch Native OEGAbiennial beeblossom · Onagraceae -
Oenothera laciniata Hill Native OELAcutleaf evening primrose · Onagraceae -
Oenothera rhombipetala Nutt. ex Torr. & A. Gray Native OERHfourpoint evening primrose · Onagraceae -
Oenothera speciosa Nutt. Native OESP2pinkladies · Onagraceae -
Oenothera villosa Thunb. Native OEVIhairy evening primrose · Onagraceae - Oenothera villosa Thunb. ssp. villosa Native OEVIVhairy evening primrose · Onagraceae
-
Oligoneuron album (Nutt.) G.L. Nesom Native OLAL2prairie goldenrod · Asteraceae -
Oligoneuron rigidum (L.) Small Native OLRIstiff goldenrod · Asteraceae - Oligoneuron rigidum (L.) Small var. rigidum Native OLRIRstiff goldenrod · Asteraceae
-
Onoclea sensibilis L. Native ONSEsensitive fern · Dryopteridaceae -
Onosmodium bejariense DC. ex A. DC. Native ONBEsoft-hair marbleseed · Boraginaceae - Onosmodium bejariense DC. ex A. DC. var. bejariense Native ONBEBsoft-hair marbleseed · Boraginaceae
- Onosmodium bejariense DC. ex A. DC. var. hispidissimum (Mack.) B.L. Turner Native ONBEHsofthair marbleseed · Boraginaceae
- Onosmodium bejariense DC. ex A. DC. var. occidentale (Mack.) B.L. Turner Native ONBEOwestern marbleseed · Boraginaceae
-
Opuntia humifusa (Raf.) Raf. Native OPHUdevil's-tongue · Cactaceae -
Ornithogalum umbellatum L. Introduced ORUMstar of Bethlehem · Liliaceae -
Orobanche uniflora L. Native ORUNoneflowered broomrape · Orobanchaceae -
Osmorhiza claytonii (Michx.) C.B. Clarke Native OSCLClayton's sweetroot · Apiaceae -
Osmorhiza longistylis (Torr.) DC. Native OSLOlongstyle sweetroot · Apiaceae -
Osmunda claytoniana L. Native OSCL2interrupted fern · Osmundaceae -
Osmunda regalis L. Native OSREroyal fern · Osmundaceae - Osmunda regalis L. var. spectabilis (Willd.) A. Gray Native OSRESroyal fern · Osmundaceae
-
Ostrya virginiana (Mill.) K. Koch Native OSVIhophornbeam · Betulaceae -
Oxalis dillenii Jacq. Native OXDI2slender yellow woodsorrel · Oxalidaceae -
Oxalis stricta L. Native OXSTcommon yellow oxalis · Oxalidaceae -
Oxalis violacea L. Native OXVIviolet woodsorrel · Oxalidaceae -
Oxypolis rigidior (L.) Raf. Native OXRIstiff cowbane · Apiaceae -
Packera aurea (L.) Á. Löve & D. Löve Native PAAU3golden ragwort · Asteraceae -
Packera glabella (Poir.) C. Jeffrey Native PAGL17butterweed · Asteraceae -
Packera plattensis (Nutt.) W.A. Weber & Á. Löve Native PAPL12prairie groundsel · Asteraceae -
Panax quinquefolius L. Native PAQUAmerican ginseng · Araliaceae -
Panicum capillare L. Native PACA6witchgrass · Poaceae -
Panicum rigidulum Bosc ex Nees Native PARI4redtop panicgrass · Poaceae - Panicum rigidulum Bosc ex Nees var. rigidulum Native PARIRredtop panicgrass · Poaceae
-
Panicum virgatum L. Native PAVI2switchgrass · Poaceae - Panicum virgatum L. var. virgatum Native PAVIVswitchgrass · Poaceae
-
Papaver dubium L. Introduced PADUblindeyes · Papaveraceae -
Parietaria pensylvanica Muhl. ex Willd. Native PAPE5Pennsylvania pellitory · Urticaceae -
Parnassia glauca Raf. Native PAGL3fen grass of Parnassus · Saxifragaceae -
Paronychia canadensis (L.) Alph. Wood Native PACA11smooth forked nailwort · Caryophyllaceae -
Paronychia fastigiata (Raf.) Fernald Native PAFA3hairy forked nailwort · Caryophyllaceae -
Parthenocissus quinquefolia (L.) Planch. Native PAQU2Virginia creeper · Vitaceae -
Pascopyrum smithii (Rydb.) Á. Löve Native PASMwestern wheatgrass · Poaceae -
Paspalum fluitans (Elliott) Kunth Native PAFL5horsetail paspalum · Poaceae -
Paspalum setaceum Michx. Native PASE5thin paspalum · Poaceae -
Pastinaca sativa L. Introduced PASA2wild parsnip · Apiaceae -
Pedicularis canadensis L. Native PECACanadian lousewort · Scrophulariaceae - Pedicularis canadensis L. ssp. canadensis Native PECAC3Canadian lousewort · Scrophulariaceae
-
Pedicularis lanceolata Michx. Native PELA2swamp lousewort · Scrophulariaceae -
Peltandra virginica (L.) Schott Native PEVIgreen arrow arum · Araceae