Hidden Prairie
Species List|Analysis and Graphs|Cover|Fungi|DBH (woody stems)|Soil|Maps|Photos

Hidden Prairie Nature Preserve is owned by the Shirley Heinze Land Trust and encompasses 60 acres in the northwest corner of the Hobart Marsh complex. It is characterized by an ecotone that ranges from wet-mesic prairie to swamp to marsh to open water. The prairie is fairly high quality with such species as Prairie Dock, Marsh Blazing Star, Tall Coreopsis, Yellow Coneflower, Golden Alexanders and Blue-Eyed Grass.

See only species found in:

Species list for all plots
To prevent poaching, endangered species are not included in this list. More info...

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Latin NameCommon NameMapStrataNative?
Acalypha rhomboideathree-seeded mercuryYES
Acer saccharinumsilver mapleYES
Achillea millefoliumyarrow; milfoilYES
Agrimonia parvifloraswamp agrimonyYES
Agrimonia pubescenssoft agrimonyYES
Agrostis gigantearedtopNO [invasive]
Ambrosia artemisiifoliacommon ragweedYES
Ambrosia trifidagiant ragweedYES
Andropogon gerardiibig bluestem; turkeyfootYES
Anemone virginianatall anemone; thimbleweedYES
Apocynum sibiricumprairie indian hemp; dogbaneYES
Asclepias  ?
Asclepias incarnataswamp milkweedYES
Asclepias purpurascenspurple milkweedYES
Asclepias verticillatawhorled milkweedYES
Aster lanceolatus var. simplexpanicled asterYES
Aster lateriflorusside-flowering asterYES
Aster novae-angliaeNew England asterYES
Aster pilosushairy aster; frost-weed asterYES
Bidens  ?
Calamagrostis canadensisblue joint grassYES
Carex  ?
Carex molestafield oval sedgeYES
Carex normalisspreading oval sedgeYES
Carex pellitabroad-leaved woolly sedgeYES
Carex swaniidowny green sedgeYES
Carex vulpinoideabrown fox sedgeYES
Caryahickory ?
Centaurium pulchellumshowy centauryNO
Chrysanthemum leucanthemumox-eye daisyNO [invasive]
Circaea lutetiana ssp. canadensisenchanter's nightshadeYES
Cirsium arvensefield thistle; Canada thistleNO [invasive]
Cirsium discolorpasture thistleYES
Cirsium muticumswamp thistle; fen thistleYES
Conyza canadensishorseweedYES
Coreopsis tripteristall coreopsisYES
Cornus obliquapale dogwood; blue-fruited dogwood; silky dogwoodYES
Crataegus calpodendronsugar hawthornYES
Crataegus crus-gallicockspur hawthornYES
Crataegus mollisdowny hawthornYES
Crataegus phaenopyrumWashington hawthornNO
Daucus carotawild carrot; Queen Anne's laceNO [invasive]
Dichanthelium acuminatum ssp. fasciculatumwestern panic grass; old-field panic grassYES
Dipsacus sylvestriscommon teaselNO [invasive]
Elaeagnus umbellataautumn oliveNO [invasive]
Eleocharis ellipticagolden-seeded spike rushYES
Eleocharis erythropodared-rooted spike rushYES
Elymus canadensisCanada wild ryeYES
Elymus trachycaulusslender wheat-grass; bearded wheat-grassYES
Equisetum arvensehorsetailYES
Erechtites hieraciifolius var. hieraciifoliuspilewort, burnweed, white fireweedYES
Erigeron annuusannual fleabaneYES
Erigeron philadelphicusmarsh fleabaneYES
Erigeron strigosusdaisy fleabaneYES
Eupatorium perfoliatumcommon bonesetYES
Eupatorium serotinumlate bonesetYES
Euthamia graminifolia var. nuttalliihairy grass-leaved goldenrodYES
Fallopia  ?
Fragaria virginianawild strawberryYES
Fraxinus pennsylvanicared ashYES
Galium concinnumshining bedstrawYES
Galium triflorumsweet-scented bedstrawYES
Gaura biennisbiennial gauraYES
Gentiana andrewsiiclosed gentian; bottle gentianYES
Geum laciniatum var. trichocarpumrough avensYES
Glyceria striatafowl meadow grass; fowl manna grassYES
Hackelia virginianastickseedYES
Helianthus giganteustall sunflowerYES
Helianthus grosseserratussawtooth sunflowerYES
Hypericum perforatumcommon St. John's wortNO [invasive]
Juglans nigrablack walnutYES
Juncus  ?
Juncus marginatusgrass-leaved rush, two-flowered rushYES
Juncus tenuispath rushYES
Juncus torreyiTorrey's rushYES
Juniperus virginiana var. virginianared cedarYES
Lactuca  ?
Lactuca canadensiswild lettuceYES
Liatris asperarough blazing starYES
Liatris spicatamarsh blazing star; gay featherYES
Lobelia spicatapale spiked lobeliaYES
Lonicera  ?
Lycopus americanuscommon water horehoundYES
Lythrum alatumwinged loosestrifeYES
Lythrum salicariapurple loosestrifeNO [invasive]
Melilotus albawhite sweet cloverNO [invasive]
Mentha arvensiswild mintYES
Monarda fistulosawild bergamontYES
Morus albawhite mulberryNO [invasive]
Oenothera bienniscommon evening primroseYES
Oxalis dilleniicommon wood sorrelYES
Oxalis strictatall wood sorrelYES
Panicum rigidulummunro grassYES
Parietaria pensylvanicapelitoryYES
Parthenocissus quinquefoliaVirginia creeperYES
Penstemon digitalisfoxglove beard tongueYES
Persicaria amphibia var. stipulaceawater knotweed; water heartseaseYES
Phalaris arundinaceareed canary grassNO [invasive]
Phragmites australiscommon reedNO [invasive]
Plantago rugeliired-stalked plantainYES
Poa compressaCanada blue grassNO [invasive]
Poa pratensisKentucky blue grassNO [invasive]
Populus deltoideseastern cottonwoodYES
Potentilla simplexcommon cinquefoil; silver common cinquefoilYES
Prunella vulgaris var. lanceolataself heal; carpenter's weedYES
Prunus serotinawild black cherryYES
Pycnanthemum virginianumVirginia mountain mintYES
Quercus macrocarpabur oakYES
Quercus rubrared oakYES
Ranunculus abortivussmall-flowered buttercupYES
Ratibida pinnatayellow coneflower; gray-headed coneflowerYES
Rhamnus frangulaglossy buckthornNO [invasive]
Rosa carolinapasture roseYES
Rosa multifloraJapanese rose; multiflora roseNO [invasive]
Rubus allegheniensiscommon blackberryYES
Rubus flagellariscommon dewberryYES
Rubus occidentalisblack raspberryYES
Rubus pensilvanicusYankee blackberryYES
Rudbeckia hirtablack-eyed SusanYES
Rumex crispuscurly dockNO
Salix amygdaloidespeach-leaved willowYES
Salix discolorpussy willowYES
Sambucus canadensiselderberryYES
Sanicula canadensisCanadian black snakerootYES
Schedonorus pratensismeadow fescueNO [invasive]
Schizachyrium scopariumlittle bluestem grassYES
Scirpus pendulusred bulrushYES
Scutellaria parvula var. leonardiismall skullcapYES
Senecio pauperculusbalsam ragwortYES
Silphium terebinthinaceum var. terebinthinaceumprairie dockYES
Sisyrinchium albidumcommon blue-eyed grassYES
Solanum carolinensehorse nettleNO
Solanum dulcamarabittersweet nightshadeNO [invasive]
Solidagogoldenrod ?
Solidago altissimatall goldenrodYES
Solidago gigantealate goldenrodYES
Solidago junceaearly goldenrodYES
Solidago nemoralisgray goldenrod; gray-stemmed goldenrod; old-field goldenrodYES
Solidago rigidastiff goldenrodYES
Solidago rugosarough goldenrodYES
Sorghastrum nutansindian grassYES
Spartina pectinataprairie cord grassYES
Taraxacum officinalecommon dandelionNO
Toxicodendron radicanspoison ivyYES
Tradescantia ohiensiscommon spiderwortYES
Trifolium pratensered cloverNO [invasive]
Typha x glaucahybrid cattailNO [invasive]
Ulmus rubraslippery elmYES
Verbena hastatablue vervainYES
Vernonia gigantea ssp. giganteasmooth tall ironweedYES
Veronicastrum virginicumCulver's rootYES
Viburnum opulus var. opulusEuropean highbush cranberryNO [invasive]
Vitis ripariariverbank grapeYES
Zizia aureagolden AlexandersYES
119 native9 unknown26 nonnative(21 invasive non-native)Species count : 154
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Mapping : show cover (maximum recorded)
Plot 1 Map

Plot 2 Map
 Recorded here
 Presence here implied from presence in nested quadrat
Smaller quadrats are not shown at exact scale.
See our methods page for details on plot layout.

Protected Species Policy
To prevent poaching, NIRMI does not provide the location of any endangered, threatened, or otherwise protected species found within any of our plots. All lists, charts, and calculations (richness, FQI, etc.) therefore exclude these species as well.
If you are conducting research and have a legitimate need for this unfiltered data, please contact us at
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