Minnesota Seasons - St. Croix Savanna SNA


St. Croix Savanna SNA

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			Washington County




Size	148 acres

Maps	Map with GPS coordinates

Parking	N44 59.673, W92 46.668

Hiking Trails	There are no hiking trails but well-worn footpaths attest to the relatively heavy use this SNA sees.

Hunting	No hunting.

Ecological Classification	Province	Eastern Broadleaf Forest Province
	Section	Minnesota & NE Iowa Morainal
	Subsection(s)	St. Paul-Baldwin Plains
	Land Type Association(s)	Stillwater Alluvial Plain

Native Plant Communities¹	Dry Sand - Gravel Oak Savanna (Southern)

Ownership	Minnesota Department of Natural Resources

Links	Minnesota DNR

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Birds	Minnesota DNR Bird checkist

	American Crow (Corvus brachyrhynchos) American Goldfinch (Carduelis tristis) American Robin (Turdus migratorius) Black-capped Chickadee (Poecile atricapillus) Brown-headed Cowbird (Molothrus ater) Gray Catbird (Dumetella carolinensis) Mourning Dove (Zenaida macroura) Northern Cardinal (Cardinalis cardinalis) Osprey (Pandion haliaetus) Turkey Vulture (Cathartes aura) Veery (Catharus fuscescens) Wild Turkey (Meleagris gallopavo)

Insects and Arachnids

	common ringlet (Coenonympha tullia) eastern tiger swallowtail (Papilio glaucus) least skipper (Ancyloxypha numitor) little wood satyr (Megisto cymela) monarch (Danaus plexippus) northern cloudywing (Thorybes pylades) pronghorn clubtail (Gomphus graslinellus) red-blue checkered beetle (Trichodes nutalli) silver-spotted skipper (Epargyreus clarus) sumac stem borer (Oberea ocellata) twelve-spotted skimmer (Libellula pulchella) viceroy (Limenitis archippus) widow skimmer (Libellula luctuosa)

Mammals

	whitetail deer (Odocoileus virginianus)

Plants	Two plant species with protected status in Minnesota are found here: Endangered – James’ polanisia (Polanisia jamesii) Threatened – kitten-tails (Besseya bullii) In 2005 the Minnesota DNR attempted to reestablish prairie larkspur on the site. Minnesota DNR Plant List Plants frequently found in: Dry Sand - Gravel Oak Savanna (Southern) UPs14ab

	American basswood (Tilia americana) American vetch (Vicia americana ssp. americana) annual fleabane (Erigeron annuus) Balkan catchfly (Silene csereii) black locust (Robinia pseudoacacia) black medick (Medicago lupulina) black-eyed Susan (Rudbeckia hirta) bland sweet cicely (Osmorhiza claytonii) boxelder (Acer negundo) bracted spiderwort (Tradescantia bracteata) bull thistle (Cirsium vulgare) bur oak (Quercus macrocarpa var. macrocarpa) Canada anemone (Anemone canadensis) Canada hawkweed (Hieracium kalmii) Canada mayflower (Maianthemum canadense) Canada moonseed (Menispermum canadense) Canadian woodnettle (Laportea canadensis) cleavers (Galium aparine) common burdock (Arctium minus) common chickweed (Stellaria media ssp. media) common dandelion (Taraxacum officinale ssp. officinale) common evening primrose (Oenothera biennis) common milkweed (Asclepias syriaca) common motherwort (Leonurus cardiaca) common mullein (Verbascum thapsus) common plantain (Plantago major) common ragweed (Ambrosia artemisiifolia) common St. Johnswort (Hypericum perforatum) common yarrow (Achillea millefolium) crown vetch (Securigera varia) dame’s rocket (Hesperis matronalis) downy phlox (Phlox pilosa ssp. fulgida) early meadow rue (Thalictrum dioicum) field sagewort (Artemisia campestris) golden alexanders (Zizia aurea) Great Plains flat sedge (Cyperus lupulinus ssp. lupulinus) ground ivy (Glechoma hederacea) hairy puccoon (Lithospermum caroliniense var. croceum) harebell (Campanula rotundifolia) heart-leaved four o’clock (Mirabilis nyctaginea) hedge bindweed (Calystegia sepium) hoary alyssum (Berteroa incana) hoary frostweed (Helianthemum bicknellii) hoary puccoon (Lithospermum canescens) hoary vervain (Verbena stricta) large-flowered beardtongue (Penstemon grandiflorus) large-flowered bellwort (Uvularia grandiflora) leadplant (Amorpha canescens) musk thistle (Carduus nutans) northern bedstraw (Galium boreale) northern maidenhair (Adiantum pedatum) northern pin oak (Quercus ellipsoidalis) northern red oak (Quercus rubra) pagoda dogwood (Cornus alternifolia) paper birch (Betula papyrifera var. papyrifera) porcupine grass (Stipa spartea) prairie fleabane (Erigeron strigosus) prairie larkspur (Delphinium carolinianum ssp. virescens) prairie rose (Rosa arkansana) quaking aspen (Populus tremuloides) red clover (Trifolium pratense) rough false pennyroyal (Hedeoma hispida) rough-fruited cinquefoil (Potentilla recta) slender beardtongue (Penstemon gracilis var. gracilis) smooth brome (Bromus inermis) smooth scouring rush (Equisetum laevigatum) smooth sumac (Rhus glabra) spreading dogbane (Apocynum androsaemifolium) stinging nettle (Urtica dioica ssp. gracilis) tall cinquefoil (Drymocallis arguta) tower mustard (Turritis glabra) twoflower dwarfdandelion (Krigia biflora var. biflora) Virginia creeper (Parthenocissus quinquefolia) Virginia waterleaf (Hydrophyllum virginianum var. virginianum) western marbleseed (Lithospermum occidentale) western poison ivy (Toxicodendron rydbergii) white campion (Silene latifolia ssp. alba) white clover (Trifolium repens) white sage (Artemisia ludoviciana ssp. ludoviciana) wild cucumber (Echinocystis lobata) wild geranium (Geranium maculatum) wild grape (Vitis riparia) wood anemone (Anemone quinquefolia var. quinquefolia) woodbine (Parthenocissus vitacea) woolly plantain (Plantago patagonica) yellow goat’s beard (Tragopogon dubius) yellow sweet clover (Melilotus officinalis) yellow wood sorrel (Oxalis stricta)

Visits	6/19/2005 6/14/2006