Houston County

Showing 451–500 of 641.

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  Physostegia angustifolia Fernald Native PHAN6

  narrowleaf false dragonhead · Lamiaceae
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  Physostegia digitalis Small Native PHDI7

  finger false dragonhead · Lamiaceae
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  Pinus echinata Mill. Native PIEC2

  shortleaf pine · Pinaceae
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  Pinus elliottii Engelm. Native PIEL

  slash pine · Pinaceae
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  Pinus elliottii Engelm. var. elliottii Native PIELE2

  slash pine · Pinaceae
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  Pinus taeda L. Native PITA

  loblolly pine · Pinaceae
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  Piptochaetium avenaceum (L.) Parodi Native PIAV

  blackseed speargrass · Poaceae
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  Platanus occidentalis L. Native PLOC

  American sycamore · Platanaceae
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  Pleopeltis polypodioides (L.) Andrews & Windham Native PLPO2

  resurrection fern · Polypodiaceae
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  Pleopeltis polypodioides (L.) Andrews & Windham ssp. michauxiana (Weath.) Andrews & Windham Native PLPOM

  resurrection fern · Polypodiaceae
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  Pluchea foetida (L.) DC. Native PLFO

  stinking camphorweed · Asteraceae
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  Pluchea foetida (L.) DC. var. foetida Native PLFOF

  stinking camphorweed · Asteraceae
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  Pluchea odorata (L.) Cass. Native PLOD

  sweetscent · Asteraceae
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  Pluchea odorata (L.) Cass. var. odorata Native PLODO

  sweetscent · Asteraceae
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  Poa annua L. Introduced POAN

  annual bluegrass · Poaceae
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  Poa autumnalis Muhl. ex Elliott Native POAU

  autumn bluegrass · Poaceae
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  Pogonia ophioglossoides (L.) Ker Gawl. Native POOP

  snakemouth orchid · Orchidaceae
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  Polanisia erosa (Nutt.) Iltis Native POER

  large clammyweed · Capparaceae
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  Polanisia erosa (Nutt.) Iltis ssp. erosa Native POERE

  large clammyweed · Capparaceae
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  Polygala polygama Walter Native POPO

  racemed milkwort · Polygalaceae
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  Polygala ramosa Elliott Native PORA2

  low pinebarren milkwort · Polygalaceae
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  Polygala verticillata L. Native POVE

  whorled milkwort · Polygalaceae
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  Polygala verticillata L. var. isocycla Fernald Native POVEI

  whorled milkwort · Polygalaceae
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  Polygonella polygama (Vent.) Engelm. & A. Gray Native POPO2

  October flower · Polygonaceae
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  Polygonum punctatum Elliott Native POPU5

  dotted smartweed · Polygonaceae
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  Polygonum sagittatum L. Native POSA5

  arrowleaf tearthumb · Polygonaceae
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  Polystichum acrostichoides (Michx.) Schott Native POAC4

  Christmas fern · Dryopteridaceae
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  Polystichum acrostichoides (Michx.) Schott var. acrostichoides Native POACA

  Christmas fern · Dryopteridaceae
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  Polytaenia nuttallii DC. Native PONU4

  Nuttall's prairie parsley · Apiaceae
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  Polytaenia texana (J.M. Coult. & Rose) Mathias & Constance Native POTE3

  Texas prairie parsley · Apiaceae
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  Poncirus trifoliata (L.) Raf. Introduced POTR4

  hardy orange · Rutaceae
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  Portulaca pilosa L. Native POPI3

  kiss me quick · Portulacaceae
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  Potamogeton diversifolius Raf. Native PODI

  waterthread pondweed · Potamogetonaceae
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  Proserpinaca palustris L. Native PRPA3

  marsh mermaidweed · Haloragaceae
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  Prosopis glandulosa Torr. Native PRGL2

  honey mesquite · Fabaceae
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  Prunella vulgaris L. Native PRVU

  common selfheal · Lamiaceae
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  Prunella vulgaris L. ssp. lanceolata (W. Bartram) Hultén Native PRVUL2

  lance selfheal · Lamiaceae
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  Psoralidium tenuiflorum (Pursh) Rydb. Native PSTE5

  slimflower scurfpea · Fabaceae
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  Pterocaulon virgatum (L.) DC. Native PTVI2

  wand blackroot · Asteraceae
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  Ptilimnium nuttallii (DC.) Britton Native PTNU

  laceflower · Apiaceae
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  Pyrrhopappus carolinianus (Walter) DC. Native PYCA2

  Carolina desert-chicory · Asteraceae
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  Ranunculus hispidus Michx. Native RAHI

  bristly buttercup · Ranunculaceae
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  Ranunculus hispidus Michx. var. nitidus (Chapm.) T. Duncan Native RAHIN

  bristly buttercup · Ranunculaceae
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  Ranunculus laxicaulis (Torr. & A. Gray) Darby Native RALA2

  Mississippi buttercup · Ranunculaceae
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  Ranunculus pusillus Poir. Native RAPU

  low spearwort · Ranunculaceae
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  Rhexia lutea Walter Native RHLU

  yellow meadowbeauty · Melastomataceae
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  Rhexia mariana L. Native RHMA

  Maryland meadowbeauty · Melastomataceae
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  Rhexia mariana L. var. mariana Native RHMAM2

  Maryland meadowbeauty · Melastomataceae
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  Rhexia virginica L. Native RHVI

  handsome Harry · Melastomataceae
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  Rhododendron viscosum (L.) Torr. Native RHVI2

  swamp azalea · Ericaceae