Index / States / Pennsylvania / Butler
§1County listing — Pennsylvania
Butler County
Pennsylvania
- FIPS
- 42019
- Taxa recorded
- 1,422
- State
- Pennsylvania
Filter
Showing 101–150 of 1,422.
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Aralia spinosa L. Native ARSP2devil's walkingstick · Araliaceae -
Arctium minus Bernh. Introduced ARMI2lesser burdock · Asteraceae -
Arenaria serpyllifolia L. Introduced ARSE2thymeleaf sandwort · Caryophyllaceae -
Arisaema dracontium (L.) Schott Native ARDR3green dragon · Araceae -
Arisaema triphyllum (L.) Schott Native ARTRJack in the pulpit · Araceae - Arisaema triphyllum (L.) Schott ssp. pusillum (Peck) Huttleston Native ARTRPJack in the pulpit · Araceae
- Arisaema triphyllum (L.) Schott ssp. stewardsonii (Britton) Huttleston Native ARTRSJack in the pulpit · Araceae
- Arisaema triphyllum (L.) Schott ssp. triphyllum Native ARTRT3Jack in the pulpit · Araceae
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Aristida dichotoma Michx. Native ARDI4churchmouse threeawn · Poaceae - Aristida dichotoma Michx. var. dichotoma Native ARDIDchurchmouse threeawn · Poaceae
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Aristolochia serpentaria L. Native ARSE3Virginia snakeroot · Aristolochiaceae -
Armoracia rusticana G. Gaertn., B. Mey. & Scherb. Introduced ARRU4horseradish · Brassicaceae -
Arnoglossum atriplicifolium (L.) H. Rob. Native ARATpale Indian plantain · Asteraceae -
Arnoglossum reniforme (Hook.) H. Rob. Native ARRE6great Indian plantain · Asteraceae -
Aronia arbutifolia (L.) Pers. Native ARAR7red chokeberry · Rosaceae -
Aronia melanocarpa (Michx.) Elliott Native ARME6black chokeberry · Rosaceae - Aronia ×prunifolia (Marshall) Rehder, (pro sp.) [arbutifolia × melanocarpa] Native ARPR2purple chokeberry · Rosaceae
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Aruncus dioicus (Walter) Fernald Both ARDI8bride's feathers · Rosaceae - Aruncus dioicus (Walter) Fernald var. dioicus Native ARDID2bride's feathers · Rosaceae
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Asarum canadense L. Native ASCACanadian wildginger · Aristolochiaceae -
Asclepias exaltata L. Native ASEXpoke milkweed · Asclepiadaceae -
Asclepias incarnata L. Native ASINswamp milkweed · Asclepiadaceae - Asclepias incarnata L. ssp. incarnata Native ASINIswamp milkweed · Asclepiadaceae
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Asclepias quadrifolia Jacq. Native ASQUfourleaf milkweed · Asclepiadaceae -
Asclepias syriaca L. Native ASSYcommon milkweed · Asclepiadaceae -
Asclepias tuberosa L. Native ASTUbutterfly milkweed · Asclepiadaceae -
Asparagus officinalis L. Introduced ASOFgarden asparagus · Liliaceae -
Asplenium montanum Willd. Native ASMO2mountain spleenwort · Aspleniaceae -
Asplenium pinnatifidum Nutt. Native ASPIlobed spleenwort · Aspleniaceae -
Asplenium platyneuron (L.) Britton, Sterns & Poggenb. Native ASPLebony spleenwort · Aspleniaceae - Asplenium platyneuron (L.) Britton, Sterns & Poggenb. var. platyneuron Native ASPLPebony spleenwort · Aspleniaceae
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Asplenium rhizophyllum L. Native ASRH2walking fern · Aspleniaceae -
Asplenium trichomanes L. Native ASTR2maidenhair spleenwort · Aspleniaceae -
Athyrium filix-femina (L.) Roth Native ATFIcommon ladyfern · Dryopteridaceae - Athyrium filix-femina (L.) Roth ssp. angustum (Willd.) R.T. Clausen Native ATFIAsubarctic ladyfern · Dryopteridaceae
- Athyrium filix-femina (L.) Roth ssp. asplenioides (Michx.) Hultén Native ATFIA2asplenium ladyfern · Dryopteridaceae
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Atriplex patula L. Introduced ATPA4spear saltbush · Chenopodiaceae -
Atriplex prostrata Bouchér ex DC. Native ATPRtriangle orache · Chenopodiaceae -
Aureolaria flava (L.) Farw. Native AUFLsmooth yellow false foxglove · Scrophulariaceae - Aureolaria flava (L.) Farw. var. flava Native AUFLFsmooth yellow false foxglove · Scrophulariaceae
- Aureolaria flava (L.) Farw. var. macrantha Pennell Native AUFLMsmooth yellow false foxglove · Scrophulariaceae
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Aureolaria virginica (L.) Pennell Native AUVIdowny yellow false foxglove · Scrophulariaceae -
Avena sativa L. Introduced AVSAcommon oat · Poaceae -
Baptisia tinctoria (L.) R. Br. Native BATIhorseflyweed · Fabaceae -
Barbarea vulgaris W.T. Aiton Introduced BAVUgarden yellowrocket · Brassicaceae -
Bartonia virginica (L.) Britton, Sterns & Poggenb. Native BAVI3yellow screwstem · Gentianaceae -
Berberis thunbergii DC. Introduced BETHJapanese barberry · Berberidaceae -
Betula alleghaniensis Britton Native BEAL2yellow birch · Betulaceae -
Betula lenta L. Native BELEsweet birch · Betulaceae -
Bidens cernua L. Native BICEnodding beggartick · Asteraceae