Robert W. Freckmann Herbarium
University of Wisconsin - Stevens Point

Vascular Plants

Wisconsin Plants

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St Croix County:    

Counts of species (not including subspecies, varieties, or forms)  Total: 799  Native: 689  Total Records: 928

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Family Taxon Common NamePhotographs
Aceraceae Acer negundo L. ash-leaved maple, box elder Photograph of Acer negundo L.
Aceraceae Acer negundo L. var. interius (Britton) Sarg. ash-leaved maple, box elder NO Photograph available
Aceraceae Acer negundo L. var. negundo box elder NO Photograph available
Aceraceae Acer negundo L. var. violaceum (Kirchn.) H.Jaeger box elder NO Photograph available
Aceraceae Acer nigrum F.Michx. black maple Photograph of Acer nigrum F.Michx.
Aceraceae Acer saccharinum L. silver maple, soft maple Photograph of Acer saccharinum L.
Aceraceae Acer saccharum Marshall var. saccharum hard maple, sugar maple Photograph of Acer saccharum Marshall var. saccharum
Acoraceae Acorus calamus L. sweet-flag Photograph of Acorus calamus L.
Alismataceae Alisma subcordatum Raf. American water-plantain, common water-plantain, southern water-plantain Photograph of Alisma subcordatum Raf.
Alismataceae Alisma triviale Pursh northern water-plantain Photograph of Alisma triviale Pursh
Alismataceae Sagittaria cuneata E.Sheld. arum-leaved arrow-head, northern arrow-head, wapato Photograph of Sagittaria cuneata E.Sheld.
Alismataceae Sagittaria graminea Michx. subsp. graminea grass-leaved arrow-head, grass-leaved sagittaria Photograph of Sagittaria graminea Michx. subsp. graminea
Alismataceae Sagittaria latifolia Willd. broad-leaved arrow-head, common arrow-head, duck-potato, wapato Photograph of Sagittaria latifolia Willd.
Alismataceae Sagittaria rigida Pursh sessile-fruited arrow-head, stiff arrow-head Photograph of Sagittaria rigida Pursh
Amaranthaceae Amaranthus powellii S.Watson green amaranth, Powell's amaranth, Powell's smooth amaranth, tall amaranth Photograph of Amaranthus powellii S.Watson
Amaranthaceae Amaranthus retroflexus L. common amaranth, pigweed, redroot, rough amaranth, rough pigweed, wild-beet amaranth Photograph of Amaranthus retroflexus L.
Amaranthaceae Froelichia floridana (Nutt.) Moq. common cotton-weed, Florida snake-cotton, plains snake-cotton Photograph of Froelichia floridana (Nutt.) Moq.
Anacardiaceae Rhus glabra L. smooth sumac Photograph of Rhus glabra L.
Anacardiaceae Rhus hirta (L.) Sudw. staghorn sumac, velvet sumac Photograph of Rhus hirta (L.) Sudw.
Anacardiaceae Toxicodendron radicans (L.) Kuntze subsp. negundo (Greene) Gillis common eastern poison-ivy, poison-ivy Photograph of Toxicodendron radicans (L.) Kuntze subsp. negundo (Greene) Gillis
Anacardiaceae Toxicodendron rydbergii (Small ex Rydb.) Greene Rydberg's poison-ivy, western poison-ivy Photograph of Toxicodendron rydbergii (Small ex Rydb.) Greene
Apiaceae Angelica atropurpurea L. common great angelica, great angelica, purple-stem angelica Photograph of Angelica atropurpurea L.
Apiaceae Angelica atropurpurea L. var. occidentalis Fassett purple-stem angelica, western great angelica NO Photograph available
Apiaceae Cicuta bulbifera L. bulblet water-hemlock Photograph of Cicuta bulbifera L.
Apiaceae Cicuta maculata L. common water-hemlock, spotted water-hemlock Photograph of Cicuta maculata L.
Apiaceae Cryptotaenia canadensis (L.) DC. Canadian honewort, white chervil Photograph of Cryptotaenia canadensis (L.) DC.
Apiaceae Hydrocotyle americana L. American marsh pennywort, marsh pennywort Photograph of Hydrocotyle americana L.
Apiaceae Osmorhiza claytonii (Michx.) C.B.Clarke bland sweet cicely, Clayton's sweet-root, hairy sweet cicely Photograph of Osmorhiza claytonii (Michx.) C.B.Clarke
Apiaceae Sanicula gregaria E.P.Bicknell clustered black snakeroot Photograph of Sanicula gregaria E.P.Bicknell
Apiaceae Sanicula marilandica L. black snakeroot, Maryland sanicle Photograph of Sanicula marilandica L.
Apiaceae Sium suave Walter hemlock water-parsnip, water-parsnip Photograph of Sium suave Walter
Apocynaceae Apocynum androsaemifolium L. spreading dogbane Photograph of Apocynum androsaemifolium L.
Araceae Arisaema dracontium (L.) Schott dragon-root, green dragon Photograph of Arisaema dracontium (L.) Schott
Araceae Arisaema triphyllum (L.) Schott subsp. triphyllum Indian turnip, Jack-in-the-pulpit Photograph of Arisaema triphyllum (L.) Schott subsp. triphyllum
Araliaceae Aralia nudicaulis L. wild sarsaparilla Photograph of Aralia nudicaulis L.
Araliaceae Aralia racemosa L. American spikenard, life-of-man Photograph of Aralia racemosa L.
Aristolochiaceae Asarum canadense L. Canadian wild-ginger, wild-ginger Photograph of Asarum canadense L.
Asclepiadaceae Asclepias exaltata L. poke milkweed, tall milkweed Photograph of Asclepias exaltata L.
Asclepiadaceae Asclepias incarnata L. subsp. incarnata swamp milkweed Photograph of Asclepias incarnata L. subsp. incarnata
Asclepiadaceae Asclepias syriaca L. common milkweed, silkweed Photograph of Asclepias syriaca L.
Asclepiadaceae Asclepias tuberosa L. subsp. interior Woodson butterfly milkweed, butterfly-weed, orange milkweed Photograph of Asclepias tuberosa L. subsp. interior Woodson
Asclepiadaceae Asclepias verticillata L. whorled milkweed Photograph of Asclepias verticillata L.
Aspleniaceae Asplenium rhizophyllum L. walking fern Photograph of Asplenium rhizophyllum L.
Asteraceae Achillea millefolium L. common yarrow, milfoil Photograph of Achillea millefolium L.
Asteraceae Achillea millefolium L. subsp. lanulosa (Nutt.) Piper common yarrow, milfoil Photograph of Achillea millefolium L. subsp. lanulosa (Nutt.) Piper
Asteraceae Ambrosia artemisiifolia L. annual bur-sage, common ragweed, short ragweed Photograph of Ambrosia artemisiifolia L.
Asteraceae Ambrosia trifida L. var. trifida giant ragweed, great ragweed, horse-cane Photograph of Ambrosia trifida L. var. trifida
Asteraceae Anaphalis margaritacea (L.) Benth. & Hook.f. pearly everlasting, western pearly everlasting Photograph of Anaphalis margaritacea (L.) Benth. & Hook.f.
Asteraceae Antennaria neglecta Greene cat's-foot, field pussy-toes Photograph of Antennaria neglecta Greene
Asteraceae Antennaria plantaginifolia (L.) Richardson plantain pussy-toes, plantain-leaved pussy-toes, woman's-tobacco Photograph of Antennaria plantaginifolia (L.) Richardson
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