Index / States / Pennsylvania / Washington
§1County listing — Pennsylvania
Washington County
Pennsylvania
- FIPS
- 42125
- Taxa recorded
- 1,235
- State
- Pennsylvania
Filter
Showing 1–50 of 1,235.
-
Abutilon theophrasti Medik. Introduced ABTHvelvetleaf · Malvaceae -
Acalypha rhomboidea Raf. Native ACRHcommon threeseed mercury · Euphorbiaceae - Acalypha virginica L. Native ACVIVirginia threeseed mercury · Euphorbiaceae
-
Acer negundo L. Native ACNE2boxelder · Aceraceae - Acer negundo L. var. negundo Native ACNENboxelder · Aceraceae
-
Acer nigrum Michx. f. Native ACNI5black maple · Aceraceae -
Acer platanoides L. Introduced ACPLNorway maple · Aceraceae -
Acer rubrum L. Native ACRUred maple · Aceraceae - Acer rubrum L. var. rubrum Native ACRURred maple · Aceraceae
-
Acer saccharinum L. Native ACSA2silver maple · Aceraceae -
Acer saccharum Marshall Native ACSA3sugar maple · Aceraceae - Acer saccharum Marshall var. saccharum Native ACSASsugar maple · Aceraceae
-
Acer spicatum Lam. Native ACSP2mountain maple · Aceraceae -
Achillea millefolium L. Both ACMI2common yarrow · Asteraceae -
Acorus calamus L. Introduced ACCA4calamus · Acoraceae -
Actaea pachypoda Elliott Native ACPAwhite baneberry · Ranunculaceae -
Actaea racemosa L. Native ACRA7black baneberry · Ranunculaceae - Actaea racemosa L. var. racemosa Native ACRARblack bugbane · Ranunculaceae
-
Adiantum pedatum L. Native ADPEnorthern maidenhair · Pteridaceae -
Adlumia fungosa (Aiton) Greene ex Britton, Sterns & Poggenb. Native ADFUallegheny vine · Fumariaceae -
Aesculus flava Aiton Native AEFLyellow buckeye · Hippocastanaceae -
Aesculus glabra Willd. Native AEGLOhio buckeye · Hippocastanaceae - Aesculus glabra Willd. var. glabra Native AEGLGOhio buckeye · Hippocastanaceae
-
Agalinis tenuifolia (Vahl) Raf. Native AGTE3slenderleaf false foxglove · Scrophulariaceae -
Agastache foeniculum (Pursh) Kuntze Native AGFOblue giant hyssop · Lamiaceae -
Agastache nepetoides (L.) Kuntze Native AGNE2yellow giant hyssop · Lamiaceae -
Ageratina altissima (L.) R.M. King & H. Rob. Native AGAL5white snakeroot · Asteraceae - Ageratina altissima (L.) R.M. King & H. Rob. var. altissima Native AGALAwhite snakeroot · Asteraceae
-
Agrimonia gryposepala Wallr. Native AGGR2tall hairy agrimony · Rosaceae -
Agrimonia microcarpa Wallr. Native AGMI2smallfruit agrimony · Rosaceae -
Agrimonia parviflora Aiton Native AGPA6harvestlice · Rosaceae -
Agrimonia pubescens Wallr. Native AGPUsoft agrimony · Rosaceae -
Agrostis gigantea Roth Introduced AGGI2redtop · Poaceae -
Agrostis hyemalis (Walter) Britton, Sterns & Poggenb. Native AGHYwinter bentgrass · Poaceae -
Agrostis perennans (Walter) Tuck. Native AGPEupland bentgrass · Poaceae - Agrostis scabra Willd. Native AGSC5rough bentgrass · Poaceae
- Agrostis stolonifera L. Introduced AGST2creeping bentgrass · Poaceae
-
Alisma subcordatum Raf. Native ALSUAmerican water plantain · Alismataceae -
Alliaria petiolata (M. Bieb.) Cavara & Grande Introduced ALPE4garlic mustard · Brassicaceae -
Allium canadense L. Native ALCA3meadow garlic · Liliaceae - Allium canadense L. var. canadense Native ALCACmeadow garlic · Liliaceae
-
Allium cernuum Roth Native ALCE2nodding onion · Liliaceae - Allium cernuum Roth var. cernuum Native ALCEC2nodding onion · Liliaceae
-
Allium tricoccum Aiton Native ALTR3ramp · Liliaceae -
Allium vineale L. Introduced ALVIwild garlic · Liliaceae - Allium vineale L. ssp. vineale Introduced ALVIVwild garlic · Liliaceae
-
Amaranthus retroflexus L. Native AMREredroot amaranth · Amaranthaceae -
Ambrosia artemisiifolia L. Both AMAR2annual ragweed · Asteraceae -
Ambrosia trifida L. Native AMTRgreat ragweed · Asteraceae - Ambrosia trifida L. var. trifida Native AMTRT2great ragweed · Asteraceae