Aquatic Plants of Pennsylvania: A Complete Reference Guide

Appendix: Taxonomic List of Plants Included

Appendix Taxonomic List of Plants Included NON-FLOWERING PLANTS Charophyte Algae Chara spp. musk-grass Native Nitella spp. stonewort Native Bryophytes—Liverworts Riccia fluitans slender riccia Native Ricciocarpus natans purple-fringed riccia Native Bryophytes—Mosses Amblystegium tenax moss Native Fontinalis sullivantii water moss Native Sphagnum sp. sphagnum moss Native Equisetaceae (Horsetail Family) Equisetum x litorale shore horsetail Native Equisetum fluviatile water horsetail Native Isoetaceae (Quillwort Family) Isoetes appalachiana Appalachian quillwort Native Isoetes echinospora spiny-spored quillwort Native Isoetes engelmannii Engelmann’s quillwort Native Isoetes riparia shore quillwort Native Isoetes valida quillwort Native Ferns Azolla caroliniana eastern mosquito fern Introduced? Marsilea quadrifolia European water-clover Introduced FLOWERING PLANTS Acanthaceae (Acanthus Family) Justicia americana water-willow Native Alismataceae (Water-plantain Family) Alisma subcordatum southern water-plantain Native Alisma triviale northern water-plantain Native Sagittaria australis Appalachian arrowhead Native Sagittaria calycina long-lobed arrowhead Native Sagittaria cuneata northern arrowhead Native Sagittaria filiformis arrowhead Native Sagittaria graminea grass-leaved arrowhead Native Block-Rhoads_EM_Final.indd 299 3/21/11 1:27 PM 300 P L A N T S I N C L U D E D Sagittaria latifolia duck-potato, wapato Native Sagittaria rigida sessile-fruited arrowhead Native Sagittaria subulata subulate arrowhead Native Amaranthaceae (Amaranthus Family) Amaranthus cannabinus water-hemp ragweed Native Apiaceae (Parsley Family) Sium suave water-parsnip Native Araceae (Arum Family) Landoltia punctata eastern water-flaxseed Introduced Lemna minor duckweed Native Lemna obscura little water duckweed Native Lemna perpusilla minute duckweed Native Lemna trisulca star duckweed Native Lemna turionifera winter duckweed Native Lemna valdiviana pale duckweed Native Orontium aquaticum goldenclub Native Peltandra virginica arrow-arum Native Spirodela polyrhiza water-flaxseed, Native greater duckweed Wolffia borealis dotted watermeal Native Wolffia brasiliensis pointed watermeal Native Wolffia columbiana watermeal Native Wolffiella gladiata bogmat Native Asteraceae (Aster Family) Bidens beckii water-marigold Native Bidens bidentoides swamp beggar-ticks Native Bidens discoidea small beggar-ticks Native Bidens laevis showy bur-marigold Native Brassicaceae (Mustard Family) Nasturtium officinale watercress Introduced Butomaceae (Flowering-rush Family) Butomus umbellatus flowering-rush Introduced Cabombaceae (Watershield Family) Brasenia schreberi watershield Native Cabomba caroliniana fanwort Introduced? Campanulaceae (Bellflower Family) Lobelia chinensis Chinese lobelia Introduced Lobelia dortmanna water lobelia Native Ceratophyllaceae (Hornwort Family) Ceratophyllum demersum coontail, hornwort Native Ceratophyllum echinatum hornwort Native Block-Rhoads_EM_Final.indd 300 3/21/11 1:27 PM P L A N T S I N C L U D E D 301 Cyperaceae (Sedge Family) Cladium mariscoides twig-rush Native Dulichium arundinaceum three-way sedge Native Eleocharis acicularis needle spike-rush Native Eleocharis obtusa var. obtusa blunt spike-rush Native Eleocharis obtusa var. peasei Wright’s spike-rush Native Eleocharis palustris creeping spike-rush Native Eleocharis parvula dwarf spike-rush Native Eleocharis quadrangulata four-angled spike-rush Native Eleocharis robbinsii Robbins’ spike-rush Native Schoenoplectus acutus great bulrush, Native hard-stemmed bulrush Schoenoplectus fluviatilis river bulrush Native Schoenoplectus pungens three-square, Native Chairmaker’s-rush Schoenoplectus purshianus Pursh’s bulrush Native Schoenoplectus smithii Smith’s bulrush Native Schoenoplectus subterminalis water bulrush Native Schoenoplectus tabernaemontani great bulrush, Native soft-stemmed bulrush Schoenoplectus torreyi Torrey’s bulrush Native Scirpus ancistrochaetus northeastern bulrush Native Elatinaceae (Waterwort Family) Elatine americana American waterwort Native Elatine minima small waterwort Native Elatine triandra long-stem waterwort Introduced Eriocaulaceae (Pipewort Family) Eriocaulon aquaticum seven-angle pipewort Native Eriocaulon decangulare ten-angle pipewort Native Eriocaulon parkeri Parker’s pipewort Native Haloragaceae (Water-milfoil Family) Myriophyllum aquaticum parrot-feather Introduced Myriophyllum farwellii Farwell’s water-milfoil Native Myriophyllum heterophyllum broad-leaved water-milfoil Native Myriophyllum humile water-milfoil Native Myriophyllum sibiricum northern water-milfoil Native Myriophyllum spicatum Eurasian water-milfoil Introduced Myriophyllum tenellum slender water-milfoil Native Myriophyllum verticillatum whorled water-milfoil Native Proserpinaca palustris common mermaid-weed Native Proserpinaca pectinata comb-leaved mermaid-weed Native Hydrocharitaceae (Frog’s-bit Family) Egeria densa Brazilian waterweed Introduced Elodea canadensis common waterweed Native Elodea nuttallii waterweed Native Elodea schweinitzii Schweinitz’ waterweed Native Block-Rhoads_EM_Final.indd 301 3/21/11 1:27 PM 302 P L A N T S I N C L U D E D Hydrilla verticillata hydrilla Introduced Najas flexilis northern waternymph Native Najas gracillima slender waternymph Native Najas guadalupensis southern waternymph Native Najas marina holly-leaved naiad Native Najas minor waternymph Introduced Vallisneria americana water-celery, eel-grass Native Iridaceae (Iris Family) Iris pseudacorus yellow iris Introduced Iris versicolor northern blue flag Native Iris virginica southern blue flag Native Juncaceae (Rush Family) Juncus militaris bayonet rush Native Lamiaceae (Mint Family) Lycopus rubellus water-horehound Native Lentibulariaceae...