Cedar Rock SNA

               
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Area and County

Redwood County

 

 

 


Size

62.1 acres

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Maps

Printable Map with GPS coordinates

 
Parking

N44 36.973, W95 10.665

 
Hiking Trails

No maintained trails

 
Hunting

All hunting and trapping. See Hunting and Trapping Regulations (MN DNR) for details.


Ecological Classification

Province

Prairie Parkland Province

Ecological Classification

Section

North Central Glaciated Plains

Subsection(s)

Minnesota River Prairie

Land Type Association(s)

Milan Alluvial Plain

 
Native Plant Communities1 Crystalline Bedrock Outcrop (Prairie): Minnesota River Subtype
 
Natural Features

Rounded bedrock knobs; redcedar forest.


Ownership Minnesota DNR logo        
 
Links

Minnesota DNR


Comments

Parking
There is a wide field access at the northwest corner of the SNA large enough to accommodate at least three vehicles (see photos below). A fence completely surrounds the site. The only break in the fence is at the southwest corner of the SNA.

Trails
A cleared path, possibly a former utility road, begins at the north side of the shallow lake. It leads north through the dense redcedar forest to the clearing at the north boundary of the SNA. It continues east, paralleling the south shore of the much larger lake. It ends at a well-worn footpath that continues 60 yards to the east boundary of the SNA. In the summer it is overgrown with grasses and forbs. The only evidence of it is a conspicuous lack of trees and shrubs.


Visits

07/16/2013

   

 

 

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Parking

  Cedar Rock SNA   Cedar Rock SNA
       
  Cedar Rock SNA    
       

Crystalline Bedrock Outcrop (Prairie): Minnesota River Subtype

  Cedar Rock SNA   Cedar Rock SNA
       

Prairie

  Cedar Rock SNA   Cedar Rock SNA
       
  Cedar Rock SNA   Cedar Rock SNA
       

Redcedar Forest

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Pond

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Cleared Path

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Slideshows

   
  Cedar Rock SNA
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  Cedar Rock SNA  
 
About

The most prominent features of Cedar Rock SNA are its rounded bedrock knobs composed of Morton gneiss situated in the valley of the Minnesota River.

 
     

 

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Visitor Observations

   
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MinnesotaSeasons.com Observations

   

Amphibians

northern leopard frog (Rana pipiens)

northern leopard frog


Birds

Two bird species with conservation status in Minnesota have been seen here:

 

Special concern

American White Pelican (Pelecanus erythrorhynchos)

Forster’s Tern (Sterna forsteri)

 
 

Minnesota DNR Bird checklist

 
 

American Crow (Corvus brachyrhynchos)

American White Pelican (Pelecanus erythrorhynchos)

Blue Jay (Cyanocitta cristata)

Common Yellowthroat (Geothlypis trichas)

Dickcissel (Spiza americana)

Field Sparrow (Spizella pusilla)

Gray Catbird (Dumetella carolinensis)

Mourning Dove (Zenaida macroura)

Red-winged Blackbird (Agelaius phoeniceus)

Blue Jay

Mourning Dove

Red-winged Blackbird


Insects and Arachnids

One insect species with conservation status in Minnesota has been seen here:

 

Endangered

Ottoe skipper (Hesperia ottoe)

 
 

cabbage white (Pieris rapae)

common buckeye (Junonia coenia)

common green darner (Anax junius)

common wood nymph (Cercyonis pegala)

dog day cicada (Neotibicen canicularis)

goldenrod bunch gall midge (Rhopalomyia solidaginis)

goldenrod gall fly (Eurosta solidaginis)

Halloween pennant (Celithemis eponina)

monarch (Danaus plexippus)

twelve-spotted skimmer (Libellula pulchella)

viceroy (Limenitis archippus)

widow skimmer (Libellula luctuosa)

dog day cicada

goldenrod bunch gall midge

twelve-spotted skimmer


Mammals

plains pocket gopher (Geomys bursarius)

plains pocket gopher


Plants

Three plant species with conservation status in Minnesota are found here:

 

Threatened

disk water-hyssop (Bacopa rotundifolia)

 

Special concern

plains prickly pear (Opuntia macrorhiza)tumblegrass (Schedonnardus paniculatus)

 
 

Plants frequently found in:

Crystalline Bedrock Outcrop (Prairie): Minnesota River Subtype ROs12a1

 
 

 

American basswood (Tilia americana)

American bird’s-foot trefoil (Acmispon americanus var. americanus)

American bugleweed (Lycopus americanus)

American germander (Teucrium canadense var. canadense)

American hog peanut (Amphicarpaea bracteata var. comosa)

American lopseed (Phryma leptostachya)

American plum (Prunus americana)

American stickseed (Hackelia deflexa var. americana)

bird’s-foot trefoil (Lotus corniculatus var. corniculatus)

black bindweed (Fallopia convolvulus)

black medick (Medicago lupulina)

black raspberry (Rubus occidentalis)

black-seeded plantain (Plantago rugelii var. rugelii)

blue vervain (Verbena hastata var. scabra)

boxelder (Acer negundo var. negundo)

bracted spiderwort (Tradescantia bracteata)

brittle prickly pear (Opuntia fragilis)

broadleaf enchanter’s nightshade (Circaea lutetiana ssp. canadensis)

buffalobur nightshade (Solanum rostratum)

butterfly weed (Asclepias tuberosa ssp. interior)

Canada anemone (Anemone canadensis)

Canada thistle (Cirsium arvense)

Canadian clearweed (Pilea pumila)

Canadian honewort (Cryptotaenia canadensis)

Canadian horseweed (Conyza canadensis)

Canadian woodnettle (Laportea canadensis)

catnip (Nepeta cataria)

clasping-leaved Venus’ looking-glass (Triodanis perfoliata ssp. perfoliata)

common blue violet (Viola sororia)

common buckthorn (Rhamnus cathartica)

common burdock (Arctium minus)

common lamb’s-quarters (Chenopodium album)

common milkweed (Asclepias syriaca)

common motherwort (Leonurus cardiaca ssp. cardiaca)

common mullein (Verbascum thapsus ssp. thapsus)

common ragweed (Ambrosia artemisiifolia)

common strawberry (Fragaria virginiana)

common yarrow (Achillea millefolium)

crown vetch (Securigera varia)

cup plant (Silphium perfoliatum var. perfoliatum)

curly dock (Rumex crispus)

dame’s rocket (Hesperis matronalis)

desert false indigo (Amorpha fruticosa)

downy phlox (Phlox pilosa ssp. fulgida)

early figwort (Scrophularia lanceolata)

eastern redcedar (Juniperus virginiana var. virginiana)

fiddleleaf hawksbeard (Crepis runcinata ssp. runcinata)

field horsetail (Equisetum arvense)

field sow thistle (Sonchus arvensis)

giant goldenrod (Solidago gigantea)

giant ragweed (Ambrosia trifida var. trifida)

golden alexanders (Zizia aurea)

gray dogwood (Cornus racemosa)

gray-headed coneflower (Ratibida pinnata)

green ash (Fraxinus pennsylvanica)

ground ivy (Glechoma hederacea)

heart-leaved golden alexanders (Zizia aptera)

hedge bindweed (Calystegia sepium ssp. angulata)

hoary alyssum (Berteroa incana)

hoary vervain (Verbena stricta)

Indian hemp (Apocynum cannabinum)

ironwood (Ostrya virginiana var. virginiana)

long-leaved bluet (Houstonia longifolia)

marijuana (Cannabis sativa)

marsh skullcap (Scutellaria galericulata)

Maximilian’s sunflower (Helianthus maximilianii)

meadow garlic (Allium canadense var. canadense)

Michigan lily (Lilium michiganense)

narrow-leaved meadowsweet (Spiraea alba var. alba)

northern blue flag (Iris versicolor)

northern prickly ash (Zanthoxylum americanum)

plains prickly pear (Opuntia macrorhiza)

plumeless thistle (Carduus acanthoides)

prairie fleabane (Erigeron strigosus)

prairie lettuce (Lactuca ludoviciana)

prickly lettuce (Lactuca serriola)

pussy willow (Salix discolor)

red clover (Trifolium pratense)

reed canary grass (Phalaris arundinacea)

roadside agrimony (Agrimonia striata)

rock elm (Ulmus thomasii)

rough cinquefoil (Potentilla norvegica)

rough cocklebur (Xanthium strumarium)

rough false pennyroyal (Hedeoma hispida)

rough-fruited cinquefoil (Potentilla recta)

sandbar willow (Salix interior)

Siberian elm (Ulmus pumila)

silver maple (Acer saccharinum)

smooth scouring rush (Equisetum laevigatum)

smooth Solomon’s seal (Polygonatum biflorum var. commutatum)

spotted touch-me-not (Impatiens capensis)

spotted water hemlock (Cicuta maculata)

stinging nettle (Urtica dioica ssp. gracilis)

swamp milkweed (Asclepias incarnata ssp. incarnata)

tall cinquefoil (Drymocallis arguta)

tall meadow rue (Thalictrum dasycarpum)

tall thimbleweed (Anemone virginiana)

Tartarian honeysuckle (Lonicera tatarica)

timothy (Phleum pratense)

Virginia mountain mint (Pycnanthemum virginianum)

western poison ivy (Toxicodendron rydbergii)

white avens (Geum canadense)

white campion (Silene latifolia ssp. alba)

white sage (Artemisia ludoviciana ssp. ludoviciana)

white snakeroot (Ageratina altissima var. altissima)

white sweet clover (Melilotus albus)

wild columbine (Aquilegia canadensis)

wild cucumber (Echinocystis lobata)

wild grape (Vitis riparia)

wild licorice (Glycyrrhiza lepidota)

wild mint (Mentha arvensis)

winged loosestrife (Lythrum alatum var. alatum)

wolfberry (Symphoricarpos occidentalis)

woodbine (Parthenocissus vitacea)

woodland strawberry (Fragaria vesca ssp. americana)

woolly plantain (Plantago patagonica)

woundwort (Stachys pilosa var. arenicola)

yellow goat’s beard (Tragopogon dubius)

yellow marsh marigold (Caltha palustris var. palustris)

yellow sweet clover (Melilotus officinalis)

 

Acer negundo var. negundo (boxelder)

Acer saccharinum (silver maple)

Achillea millefolium (common yarrow)

Acmispon americanus var. americanus (American bird’s-foot trefoil)

Ageratina altissima var. altissima (white snakeroot)

Agrimonia striata (roadside agrimony)

Allium canadense var. canadense (meadow garlic)

Ambrosia artemisiifolia (common ragweed)

Ambrosia trifida var. trifida (giant ragweed)

Amorpha fruticosa (desert false indigo)

Amphicarpaea bracteata var. comosa (American hog peanut)

Anemone canadensis (Canada anemone)

Anemone virginiana (tall thimbleweed)

Apocynum cannabinum (Indian hemp)

Aquilegia canadensis (wild columbine)

Arctium minus (common burdock)

Artemisia ludoviciana ssp. ludoviciana (white sage)

Asclepias incarnata ssp. incarnata (swamp milkweed)

Asclepias syriaca (common milkweed)

Asclepias tuberosa ssp. interior (butterfly weed)

Berteroa incana (hoary alyssum)

Caltha palustris var. palustris (yellow marsh marigold)

Calystegia sepium (hedge bindweed)

Cannabis sativa (marijuana)

Carduus acanthoides (plumeless thistle)

Chenopodium album (common lamb’s-quarters)

Cicuta maculata (spotted water hemlock)

Circaea lutetiana ssp. canadensis (broadleaf enchanter’s nightshade)

Cirsium arvense (Canada thistle)

Conyza canadensis (Canadian horseweed)

Cornus racemosa (gray dogwood)

Crepis runcinata ssp. runcinata (fiddleleaf hawksbeard)

Cryptotaenia canadensis (Canadian honewort)

Drymocallis arguta (tall cinquefoil)

Echinocystis lobata (wild cucumber)

Equisetum arvense (field horsetail)

Equisetum laevigatum (smooth scouring rush)

Erigeron strigosus (prairie fleabane)

Fallopia convolvulus (black bindweed)

Fragaria vesca ssp. americana (woodland strawberry)

Fragaria virginiana (common strawberry)

Fraxinus pennsylvanica (green ash)

Geum canadense (white avens)

Glechoma hederacea (ground ivy)

Glycyrrhiza lepidota (wild licorice)

Hackelia deflexa var. americana (American stickseed)

Hedeoma hispida (rough false pennyroyal)

Helianthus maximilianii (Maximilian’s sunflower)

Hesperis matronalis (dame’s rocket)

Houstonia longifolia (long-leaved bluet)

Impatiens capensis (spotted touch-me-not)

Iris versicolor (northern blue flag)

Juniperus virginiana var. virginiana (eastern redcedar)

Lactuca ludoviciana (prairie lettuce)

Lactuca serriola (prickly lettuce)

Laportea canadensis (Canadian woodnettle)

Leonurus cardiaca ssp. cardiaca (common motherwort)

Lilium michiganense (Michigan lily)

Lonicera tatarica (Tartarian honeysuckle)

Lotus corniculatus var. corniculatus (bird’s-foot trefoil)

Lycopus americanus (American bugleweed)

Lythrum alatum var. alatum (winged loosestrife)

Medicago lupulina (black medick)

Melilotus albus (white sweet clover)

Melilotus officinalis (yellow sweet clover)

Mentha arvensis (wild mint)

Nepeta cataria (catnip)

Opuntia fragilis (brittle prickly pear)

Opuntia macrorhiza (plains prickly pear)

Ostrya virginiana var. virginiana (ironwood)

Parthenocissus vitacea (woodbine)

Phalaris arundinacea (reed canary grass)

Phleum pratense (timothy)

Phlox pilosa ssp. fulgida (downy phlox)

Phryma leptostachya (American lopseed)

Pilea pumila (Canadian clearweed)

Plantago patagonica (woolly plantain)

Plantago rugelii var. rugelii (black-seeded plantain)

Polygonatum biflorum var. commutatum (smooth Solomon’s seal)

Potentilla norvegica (rough cinquefoil)

Potentilla recta (rough-fruited cinquefoil)

Prunus americana (American plum)

Pycnanthemum virginianum (Virginia mountain mint)

Ratibida pinnata (gray-headed coneflower)

Rhamnus cathartica (common buckthorn)

Rubus occidentalis (black raspberry)

Rumex crispus (curly dock)

Salix discolor (pussy willow)

Salix interior (sandbar willow)

Scrophularia lanceolata (early figwort)

Scutellaria galericulata (marsh skullcap)

Securigera varia (crown vetch)

Silene latifolia ssp. alba (white campion)

Silphium perfoliatum var. perfoliatum (cup plant)

Solanum rostratum (buffalobur nightshade)

Solidago gigantea (giant goldenrod)

Sonchus arvensis (field sow thistle)

Spiraea alba var. alba (narrow-leaved meadowsweet)

Stachys pilosa var. arenicola (woundwort)

Symphoricarpos occidentalis (wolfberry)

Teucrium canadense var. canadense (American germander)

Thalictrum dasycarpum (tall meadow rue)

Tilia americana var. americana (American basswood)

Toxicodendron rydbergii (western poison ivy)

Tradescantia bracteata (bracted spiderwort)

Tragopogon dubius (yellow goat’s beard)

Trifolium pratense (red clover)

Triodanis perfoliata ssp. perfoliata (clasping-leaved Venus’ looking-glass)

Ulmus pumila (Siberian elm)

Ulmus thomasii (rock elm)

Urtica dioica ssp. gracilis (stinging nettle)

Verbascum thapsus ssp. thapsus (common mullein)

Verbena hastata var. scabra (blue vervain)

Verbena stricta (hoary vervain)

Viola sororia (common blue violet)

Vitis riparia (wild grape)

Xanthium strumarium (rough cocklebur)

Zanthoxylum americanum (northern prickly ash)

Zizia aptera (heart-leaved golden alexanders)

Zizia aurea (golden alexanders)

American plum

black bindweed

black raspberry

bracted spiderwort

butterfly weed

Canada anemone

Canadian honewort

catnip

common blue violet

common mullein

common yarrow

cup plant

dame’s rocket

downy phlox

golden alexanders

gray-headed coneflower

hoary vervain

Maximilian’s sunflower

meadow garlic

Michigan lily

prairie fleabane (var. strigosus)

red clover

rough cinquefoil

rough-fruited cinquefoil

swamp milkweed

tall cinquefoil

Tartarian honeysuckle

white snakeroot

wild columbine

winged loosestrife

woodland strawberry


 

 

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