Ambler Expansion
Species List|Analysis and Graphs|Cover|Fungi|Soil|Maps|Photos

Ambler Flatwoods Nature Preserve is owned by the Shirley Heinze Land Trust and is comprised of two different parcels. The first parcel of 208 acres is a state dedicated Nature Preserve. However, the 40 acre expansion parcel, purchased in 2010, contains a mix of high and lower quality habitats. This flatwoods ecosystem harbors relict populations of several plant species that are typical of more northern latitudes.

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?
Acer rubrumred mapleYES
Achillea millefoliumyarrow; milfoilYES
Agrimonia parvifloraswamp agrimonyYES
Ambrosia artemisiifoliacommon ragweedYES
Amelanchier YES
Apios americanaground nutYES
Apocynum  ?
Apocynum cannabinumindian help; dogbaneYES
Asclepias purpurascenspurple milkweedYES
Asclepias syriacacommon milkweedYES
Asparagus officinalisasparagusNO
Aster  ?
Betula papyriferapaper birchYES
Carex pensylvanicacommon oak sedgeYES
Carex vulpinoideabrown fox sedgeYES
Cirsium arvensefield thistle; Canada thistleNO [invasive]
Cirsium discolorpasture thistleYES
Claytonia virginicaspring beautyYES
Conopholis americanacancer rootYES
Daucus carotawild carrot; Queen Anne's laceNO [invasive]
Dianthus armeriaDeptford pinkNO
Dichanthelium acuminatum ssp. lindheimerismooth wooly panic grassYES
Dichanthelium acuminatum ssp. spretumsand panic grassYES
Dichanthelium clandestinumdeer-tongue grassYES
Elaeagnus umbellataautumn oliveNO [invasive]
Equisetum  ?
Equisetum arvensehorsetailYES
Erigeron annuusannual fleabaneYES
Erigeron philadelphicusmarsh fleabaneYES
Eupatorium maculatumspotted Joe Pye weedYES
Eupatorium perfoliatumcommon bonesetYES
Euthamia graminifoliacommon grass-leaved goldenrodYES
Fagus grandifoliabeechYES
Festuca  ?
Fragaria virginianawild strawberryYES
Fraxinus americanawhite ashYES
Fraxinus pennsylvanicared ashYES
Geum canadensewhite avens; wood avensYES
Lactuca  ?
Lactuca canadensiswild lettuceYES
Leontodon autumnalisfall dandelionNO
Liriodendron tulipiferatulip treeYES
Ludwigia alternifoliaseedboxYES
Lycopodium clavatumrunning ground pineYES
Lycopus americanuscommon water horehoundYES
Maianthemum canadenseCanada mayflower; wild lily-of-the-valleyYES
Maianthemum stellatumstarry false Solomon's sealYES
Mimulus ringensmonkey flowerYES
Mitchella repenspartridge berryYES
Monotropa unifloraindian pipeYES
Myrica galesweet galeYES
Nyssa sylvaticablack gum; sour gumYES
Onoclea sensibilissensitive fernYES
Osmunda regalis var. spectabilisroyal fernYES
Panicumpanic grass ?
Parthenocissus quinquefoliaVirginia creeperYES
Phalaris arundinaceareed canary grassNO [invasive]
Phleum pratensetimothyNO
Pinus sylvestrisScotch pineNO [invasive]
Platanus occidentalissycamoreYES
Poa pratensisKentucky blue grassNO [invasive]
Podophyllum peltatumMay appleYES
Potentilla norvegicarough cinquefoil; Norway cinquefoilYES
Potentilla simplexcommon cinquefoil; silver common cinquefoilYES
Prunella vulgaris var. lanceolataself heal; carpenter's weedYES
Prunus serotinawild black cherryYES
Pteridium aquilinum ssp. aquilinum var. latiusculumbracken fernYES
Quercus albawhite oakYES
Quercus bicolorswamp white oakYES
Quercus palustrispin oakYES
Quercus rubrared oakYES
Quercus velutinablack oakYES
Rhamnus catharticacommon buckthornNO [invasive]
Rhus typhinastaghorn sumacYES
Rosa multifloraJapanese rose; multiflora roseNO [invasive]
Rubus flagellariscommon dewberryYES
Rubus hispidusswamp dewberryYES
Rubus occidentalisblack raspberryYES
Rubus pensilvanicusYankee blackberryYES
Rumex acetosellafield sorrelNO [invasive]
Rumex crispuscurly dockNO
Sassafras albidumsassafrasYES
Schizachyrium scopariumlittle bluestem grassYES
Scirpus cyperinuswool grassYES
Silene latifolia ssp. albawhite campionNO
Sisyrinchium  ?
Sisyrinchium angustifoliumstout blue-eyed grassYES
Smilax rotundifoliagreen brier; cat brierYES
Smilax tamnoidesbristly green brierYES
Solanum carolinensehorse nettleNO
Solidagogoldenrod ?
Solidago altissimatall goldenrodYES
Solidago gigantealate goldenrodYES
Solidago ulmifoliaelm-leaved goldenrodYES
Spiraea albameadowsweetYES
Spiraea tomentosa var. roseahardhack; steeple bushYES
Taraxacum officinalecommon dandelionNO
Thelypteris palustris var. pubescensmarsh shield fernYES
Tragopogon pratensiscommon goat's beardNO
Trifolium  ?
Ulmus pumilaSiberian elmNO [invasive]
Ulmus rubraslippery elmYES
Vaccinium corymbosumhighbush bluebery; swamp blueberryYES
Vaccinium pallidumlate low buleberryYES
Verbena strictahoary vervainYES
Vernonia gigantea ssp. giganteasmooth tall ironweedYES
Viburnum acerifoliummaple-leaved arrow-woodYES
Vicia villosahairy vetch; winter vetchNO
Viola rafinesquiiwild pansyNO
Vitis labruscafox grapeYES
Vitis ripariariverbank grapeYES
81 native9 unknown21 nonnative(10 invasive non-native)Species count : 111
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Mapping : show cover (maximum recorded)
Plot 1 Map

Plot 2 Map

Plot 3 Map

Plot 4 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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