Index / States / Illinois / Mason
§1County listing — Illinois
Mason County
Illinois
- FIPS
- 17125
- Taxa recorded
- 1,339
- State
- Illinois
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Showing 801–850 of 1,339.
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Opuntia humifusa (Raf.) Raf. Native OPHUdevil's-tongue · Cactaceae -
Orbexilum onobrychis (Nutt.) Rydb. Native ORONFrench-grass · Fabaceae -
Ornithogalum umbellatum L. Introduced ORUMstar of Bethlehem · Liliaceae -
Orobanche fasciculata Nutt. Native ORFAclustered broomrape · Orobanchaceae -
Orobanche ludoviciana Nutt. Native ORLULouisiana broomrape · Orobanchaceae -
Orobanche ludoviciana Nutt. ssp. ludoviciana Native ORLUL2Louisiana broomrape · Orobanchaceae -
Orobanche riparia L.T. Collins Native ORRIRiver Broom-Rape · Orobanchaceae -
Orobanche uniflora L. Native ORUNoneflowered broomrape · Orobanchaceae -
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 glabella (Poir.) C. Jeffrey Native PAGL17butterweed · Asteraceae -
Packera plattensis (Nutt.) W.A. Weber & Á. Löve Native PAPL12prairie groundsel · Asteraceae -
Panicum capillare L. Native PACA6witchgrass · Poaceae - Panicum dichotomiflorum Michx. Native PADIfall panicgrass · Poaceae
- Panicum dichotomiflorum Michx. var. dichotomiflorum Native PADIDfall panicgrass · Poaceae
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Panicum flexile (Gattinger) Scribn. Native PAFL2wiry panicgrass · 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 rhoeas L. Introduced PARH2corn poppy · Papaveraceae -
Parietaria pensylvanica Muhl. ex Willd. Native PAPE5Pennsylvania pellitory · Urticaceae -
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 -
Paspalum fluitans (Elliott) Kunth Native PAFL5horsetail paspalum · Poaceae - Paspalum laeve Michx. Native PALA10field paspalum · Poaceae
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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 -
Pennisetum glaucum (L.) R. Br. Introduced PEGL2pearl millet · Poaceae -
Penstemon digitalis Nutt. ex Sims Native PEDIfoxglove beardtongue · Scrophulariaceae -
Penstemon pallidus Small Native PEPA7pale beardtongue · Scrophulariaceae -
Penthorum sedoides L. Native PESE6ditch stonecrop · Crassulaceae -
Perilla frutescens (L.) Britton Introduced PEFR4beefsteakplant · Lamiaceae -
Phalaris arundinacea L. Native PHAR3reed canarygrass · Poaceae -
Phegopteris hexagonoptera (Michx.) Fée Native PHHE11broad beechfern · Thelypteridaceae -
Phemeranthus rugospermus (Holz.) Kiger Native PHRU8prairie fameflower · Portulacaceae -
Phleum pratense L. Introduced PHPR3timothy · Poaceae - Phlox bifida Beck Native PHBI3cleft phlox · Polemoniaceae