Helen Allison Savanna |
 |
||||||
| County | Anoka |
 |
|||||
| GPS | N45 22.896 |
||||||
| Size | 86 acres |
||||||
| Habitat | Oak sand savanna, dry prairie, sedge marsh |
||||||
| Hiking Trails |
None |
||||||
| Links | |||||||
| Comments |
This SNA is a Nature Conservancy preserve. It is adjacent to the Cedar Creek Natural History Area. |
||||||
| Images | Click on an image for a larger view. | ||||||
|
 |
 |
 |
||||
Sedge marsh |
Dry prairie | Oak sand savanna | |||||
| Amphibians | Eastern tiger salamander (Ambystoma tigrinum), northern spring peeper (Pseudacris crucifer crucifer), eastern gray treefrog (Hyla versicolor), and wood frog (Rana sylvatica) can all be found here. |
||||||
| Birds | Lark sparrow (Chondestes grammacus) nests on this site. |
||||||
| Insects |
|
||||||
 |
|||||||
| Plants | Three plant species with protected status in Minnesota are found here: Endangered – tall nutrush (Scleria triglomerata) Special concern – seaside three-awn (Aristida tuberculosa), rhombic evening primrose (Oenothera parviflora) Other plants that can be found here, in addition to those listed below, include American hazel (Corylus americana), chokecherry (Prunus virginiana var. virginiana), quaking aspen (Populus tremuloides), slender willow (Salix petiolaris), steeplebush (Spiraea tomentosa var. rosea), hairy panic grass (Dichanthelium acuminatum), bluejoint (Calamagrostis canadensis), long-bearded hawkweed (Hieracium longipilum), big bluestem (Andropogon gerardii), little bluestem (Schizachyrium scoparium var. scoparium), Indiangrass (Sorghastrum nutans), porcupine grass (Stipa spartea), American pasqueflower (Pulsatilla patens ssp. multifida), silky prairie clover (Dalea villosa var. villosa), and rough blazing star (Liatris aspera). |
||||||
alsike clover (Trifolium hybridum) arrow-leaved violet (Viola sagittata var. sagittata) candle anemone (Anemone cylindrica) common cinquefoil (Potentilla simplex) hairy puccoon (Lithospermum caroliniense var. croceum) Indian hemp (Apocynum cannabinum) large-flowered beardtongue (Penstemon grandiflorus) northern pin oak (Quercus ellipsoidalis) Philadelphia fleabane (Erigeron philadelphicus var. philadelphicus) prairie groundsel (Packera plattensis) prairie spiderwort (Tradescantia occidentalis var. occidentalis) slender beardtongue (Penstemon gracilis var. gracilis) starry false Solomon’s seal (Maianthemum stellatum) tall cinquefoil (Potentilla arguta ssp. arguta) western poison ivy (Toxicodendron rydbergii) white clover (Trifolium repens) |
|
||||||
| Reptiles | Gopher snake (Pituophis catenifer) can be seen here. |
||||||
| Visits | 6/19/2005 |
||||||
