Index / States / Pennsylvania / Washington
§1County listing — Pennsylvania
Washington County
Pennsylvania
- FIPS
- 42125
- Taxa recorded
- 1,235
- State
- Pennsylvania
Filter
Showing 1,001–1,050 of 1,235.
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Scutellaria parvula Michx. var. missouriensis (Torr.) Goodman & C.A. Lawson Native SCPAMLeonard's skullcap · Lamiaceae -
Securigera varia (L.) Lassen Introduced SEVA4crownvetch · Fabaceae -
Sedum sarmentosum Bunge Introduced SESAstringy stonecrop · Crassulaceae -
Sedum ternatum Michx. Native SETE3woodland stonecrop · Crassulaceae -
Selaginella rupestris (L.) Spring Native SERUnorthern selaginella · Selaginellaceae -
Senecio vulgaris L. Introduced SEVUold-man-in-the-Spring · Asteraceae -
Senna marilandica (L.) Link Native SEMA11Maryland senna · Fabaceae -
Sericocarpus asteroides (L.) Britton, Sterns & Poggenb. Native SEAS3toothed whitetop aster · Asteraceae -
Setaria viridis (L.) P. Beauv. Introduced SEVI4green bristlegrass · Poaceae - Setaria viridis (L.) P. Beauv. var. viridis Introduced SEVIVgreen bristlegrass · Poaceae
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Sicyos angulatus L. Native SIANoneseed bur cucumber · Cucurbitaceae -
Sida hermaphrodita (L.) Rusby Native SIHE3Virginia fanpetals · Malvaceae -
Sida spinosa L. Native SISPprickly fanpetals · Malvaceae -
Silene antirrhina L. Native SIAN2sleepy silene · Caryophyllaceae -
Silene dichotoma Ehrh. Introduced SIDI2forked catchfly · Caryophyllaceae -
Silene latifolia Poir. Introduced SILA21bladder campion · Caryophyllaceae - Silene latifolia Poir. ssp. alba (Mill.) Greuter & Burdet Introduced SILAA3bladder campion · Caryophyllaceae
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Silene nivea (Nutt.) Muhl. ex Otth Native SINIevening campion · Caryophyllaceae -
Silene noctiflora L. Introduced SINOnightflowering silene · Caryophyllaceae -
Silene stellata (L.) W.T. Aiton Native SISTwidowsfrill · Caryophyllaceae -
Silene virginica L. Native SIVI4fire pink · Caryophyllaceae - Silene virginica L. var. virginica Native SIVIVfire pink · Caryophyllaceae
- Silphium trifoliatum L. Native SITR7whorled rosinweed · Asteraceae
- Silphium trifoliatum L. var. trifoliatum Native SITRTwhorled rosinweed · Asteraceae
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Sisymbrium altissimum L. Introduced SIAL2tall tumblemustard · Brassicaceae -
Sisymbrium officinale (L.) Scop. Introduced SIOFhedgemustard · Brassicaceae -
Sisyrinchium angustifolium Mill. Native SIAN3narrowleaf blue-eyed grass · Iridaceae -
Sisyrinchium mucronatum Michx. Native SIMU3needletip blue-eyed grass · Iridaceae -
Smilax ecirrhata (Engelm. ex Kunth) S. Watson Native SMECupright carrionflower · Smilacaceae -
Smilax glauca Walter Native SMGLcat greenbrier · Smilacaceae -
Smilax herbacea L. Native SMHEsmooth carrionflower · Smilacaceae -
Smilax rotundifolia L. Native SMROroundleaf greenbrier · Smilacaceae -
Smilax tamnoides L. Native SMTA2bristly greenbrier · Smilacaceae -
Solanum carolinense L. Native SOCA3Carolina horsenettle · Solanaceae - Solanum carolinense L. var. carolinense Native SOCAC4Carolina horsenettle · Solanaceae
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Solanum dulcamara L. Introduced SODUclimbing nightshade · Solanaceae - Solanum dulcamara L. var. dulcamara Introduced SODUDclimbing nightshade · Solanaceae
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Solanum ptycanthum Dunal Native SOPT7West Indian nightshade · Solanaceae -
Solidago altissima L. Native SOAL6Canada goldenrod · Asteraceae -
Solidago arguta Aiton Native SOARAtlantic goldenrod · Asteraceae - Solidago arguta Aiton var. arguta Native SOARAAtlantic goldenrod · Asteraceae
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Solidago bicolor L. Native SOBIwhite goldenrod · Asteraceae -
Solidago caesia L. Native SOCA4wreath goldenrod · Asteraceae -
Solidago canadensis L. Native SOCA6Canada goldenrod · Asteraceae - Solidago canadensis L. var. canadensis Native SOCAC3Canada goldenrod · Asteraceae
- Solidago canadensis L. var. hargeri Fernald Native SOCAHHarger's goldenrod · Asteraceae
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Solidago curtisii Torr. & A. Gray Native SOCUmountain decumbent goldenrod · Asteraceae -
Solidago erecta Pursh Native SOERshowy goldenrod · Asteraceae -
Solidago flexicaulis L. Native SOFL2zigzag goldenrod · Asteraceae -
Solidago gigantea Aiton Native SOGIgiant goldenrod · Asteraceae