Index / States / Pennsylvania / Washington
§1County listing — Pennsylvania
Washington County
Pennsylvania
- FIPS
- 42125
- Taxa recorded
- 1,235
- State
- Pennsylvania
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Showing 1–50 of 211 (introduced).
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Abutilon theophrasti Medik. Introduced ABTHvelvetleaf · Malvaceae -
Acer platanoides L. Introduced ACPLNorway maple · Aceraceae -
Acorus calamus L. Introduced ACCA4calamus · Acoraceae -
Agrostis gigantea Roth Introduced AGGI2redtop · Poaceae - Agrostis stolonifera L. Introduced AGST2creeping bentgrass · Poaceae
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Alliaria petiolata (M. Bieb.) Cavara & Grande Introduced ALPE4garlic mustard · Brassicaceae -
Allium vineale L. Introduced ALVIwild garlic · Liliaceae - Allium vineale L. ssp. vineale Introduced ALVIVwild garlic · Liliaceae
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Anagallis arvensis L. Introduced ANARscarlet pimpernel · Primulaceae -
Anthemis cotula L. Introduced ANCO2stinking chamomile · Asteraceae -
Arabidopsis thaliana (L.) Heynh. Introduced ARTHmouseear cress · Brassicaceae -
Arctium minus Bernh. Introduced ARMI2lesser burdock · Asteraceae -
Arenaria serpyllifolia L. Introduced ARSE2thymeleaf sandwort · Caryophyllaceae -
Arrhenatherum elatius (L.) P. Beauv. ex J. Presl & C. Presl Introduced AREL3tall oatgrass · Poaceae - Arrhenatherum elatius (L.) P. Beauv. ex J. Presl & C. Presl var. elatius Introduced ARELEtall oatgrass · Poaceae
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Asparagus officinalis L. Introduced ASOFgarden asparagus · Liliaceae -
Atriplex patula L. Introduced ATPA4spear saltbush · Chenopodiaceae -
Barbarea vulgaris W.T. Aiton Introduced BAVUgarden yellowrocket · Brassicaceae -
Belamcanda chinensis (L.) DC. Introduced BECHblackberry lily · Iridaceae -
Brassica juncea (L.) Czern. Introduced BRJUbrown mustard · Brassicaceae -
Brassica nigra (L.) W.D.J. Koch Introduced BRNIblack mustard · Brassicaceae -
Bromus inermis Leyss. ssp. inermis Introduced BRINIsmooth brome · Poaceae -
Bromus racemosus L. Introduced BRRA2bald brome · Poaceae -
Bromus secalinus L. Introduced BRSErye brome · Poaceae - Bromus secalinus L. var. secalinus Introduced BRSESrye brome · Poaceae
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Buglossoides arvensis (L.) I.M. Johnst. Introduced BUAR3corn gromwell · Boraginaceae -
Bupleurum rotundifolium L. Introduced BUROhare's ear · Apiaceae -
Calystegia hederacea Wall. Introduced CAHE21Japanese false bindweed · Convolvulaceae -
Capsella bursa-pastoris (L.) Medik. Introduced CABU2shepherd's purse · Brassicaceae -
Cardamine hirsuta L. Introduced CAHI3hairy bittercress · Brassicaceae -
Catalpa ovata G. Don Introduced CAOV5Chinese catalpa · Bignoniaceae -
Celastrus orbiculatus Thunb. Introduced CEOR7Oriental bittersweet · Celastraceae -
Cerastium fontanum Baumg. Introduced CEFO2common mouse-ear chickweed · Caryophyllaceae - Cerastium fontanum Baumg. ssp. vulgare (Hartm.) Greuter & Burdet Introduced CEFOV2big chickweed · Caryophyllaceae
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Cerastium glomeratum Thuill. Introduced CEGL2sticky chickweed · Caryophyllaceae -
Chaenorhinum minus (L.) Lange Introduced CHMIdwarf snapdragon · Scrophulariaceae -
Chelidonium majus L. Introduced CHMA2celandine · Papaveraceae - Chelidonium majus L. var. majus Introduced CHMAMcelandine · Papaveraceae
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Chenopodium album L. var. album Introduced CHALAlambsquarters · Chenopodiaceae -
Chenopodium urbicum L. Introduced CHURcity goosefoot · Chenopodiaceae -
Cichorium intybus L. Introduced CIINchicory · Asteraceae -
Cirsium arvense (L.) Scop. Introduced CIAR4Canada thistle · Asteraceae -
Cirsium vulgare (Savi) Ten. Introduced CIVUbull thistle · Asteraceae -
Commelina communis L. Introduced COCO3Asiatic dayflower · Commelinaceae -
Conium maculatum L. Introduced COMA2poison hemlock · Apiaceae -
Consolida ajacis (L.) Schur Introduced COAJdoubtful knight's-spur · Ranunculaceae -
Convallaria majalis L. Introduced COMA7European lily of the valley · Liliaceae -
Cynoglossum officinale L. Introduced CYOFgypsyflower · Boraginaceae -
Cyperus esculentus L. var. leptostachyus Boeckeler Introduced CYESLyellow nutsedge · Cyperaceae -
Cytisus scoparius (L.) Link Introduced CYSC4Scotch broom · Fabaceae