Weed in cultivated ground
Frequent along streams and in disturbed areas, cultivated, see the Citation above to locate using the Arboretum Plant Finder
Two small specimens native in bog areas, see the Citation above to locate using the Arboretum Plant Finder
One young specimen noted near pond in northwest corner of Arboretum. Removed., see the Citation above to locate using the Arboretum Plant Finder
Common in woodland, see the Citation above to locate using the Arboretum Plant Finder
[Achillea fusca, Achillea lanulosa, Achillea lanulosa var. arachnoides, Achillea millefolium f. millefolium, Achillea millefolium subsp. atrotegula, Achillea millefolium var. parvula]
Occasional, common field weed, see the Citation above to locate using the Arboretum Plant Finder
see the Citation above to locate using the Arboretum Plant Finder
[Actaea arguta, Actaea arguta var. alabastrina]
Occasional in woods, see the Citation above to locate using the Arboretum Plant Finder
Occasional in woods, but more frequent than the typical form
[Adiantum pedatum var. pedatum]
Occasional on wooded banks, see the Citation above to locate using the Arboretum Plant Finder
[Eupatorium rugosum]
In woods, common, see the Citation above to locate using the Arboretum Plant Finder
see the Citation above to locate using the Arboretum Plant Finder
[Alisma plantago-aquatica var. americana, Alisma subcordatum var. superbum]
Common in swampy areas
Common in woods, see the Citation above to locate using the Arboretum Plant Finder
[Amaranthus roxburghianus]
Common in cultivated ground
Common in cultivated ground
[Amaranthus rudis, Amaranthus tamariscinus]
Wet ditches
[Ambrosia artemisiifolia var. elatior, Ambrosia artemisiifolia var. paniculata, Ambrosia elatior]
Common in cultivated ground
[Amelanchier wiegandii]
Occasional in woods
see the Citation above to locate using the Arboretum Plant Finder
[Amelanchier stolonifera]
Occasional in woods, see the Citation above to locate using the Arboretum Plant Finder
[Amorpha bushii, Amorpha fruticosa f. albiflora, Amorpha fruticosa fo. latior, Amorpha fruticosa var. angustifolia, Amorpha fruticosa var. tennessensis, Amorpha virgata]
see the Citation above to locate using the Arboretum Plant Finder
[Amphicarpa bracteata, Amphicarpaea comosa]
Common in woods
[Andropogon furcatus]
see the Citation above to locate using the Arboretum Plant Finder
Common in woods openings, see the Citation above to locate using the Arboretum Plant Finder
Common in woods, see the Citation above to locate using the Arboretum Plant Finder
[Thalictrum thalictroides]
Common in woods, see the Citation above to locate using the Arboretum Plant Finder
[Angelica atropurpurea var. occidentalis]
Occasional along swamp edge
[Antennaria angustiarum, Antennaria campestris, Antennaria chelonica, Antennaria lunellii]
Occasional in open grassy wooded areas
Field edge and fence rows
[Apocynum cannabinum var. hypericifolium, Apocynum cannabinum var. pubescens, Apocynum pubescens, Apocynum sibiricum, Apocynum sibiricum var. cordigerum]
Field edges and fence rows
Common in woods, see the Citation above to locate using the Arboretum Plant Finder
Frequent in woodland, rare in swamp
Infrequent on swamp edge, see the Citation above to locate using the Arboretum Plant Finder
Infrequent in woods and fence rows
[Asarum canadense var. acuminatum, Asarum canadense var. canadense, Asarum reflexum]
see the Citation above to locate using the Arboretum Plant Finder
[Asclepias phytolaccoides]
Rare in woodland
Common in swamp, see the Citation above to locate using the Arboretum Plant Finder
Occasional in open woodland
[Athyrium angustum, Athyrium angustum f. rubellum, Athyrium filix-femina subsp. angustum, Athyrium filix-femina var. michauxii, Athyrium filix-femina var. rubellum]
Frequent in woods
Weed in cultivated ground
Common weed in cultivated areas
[Kochia scoparia]
Frequent weed
Common field and roadside weed
One large indigenous specimen in birch collection area, see the Citation above to locate using the Arboretum Plant Finder
[Betula glandulifera, Betula pumila var. glandulifera]
Common in bog areas, see the Citation above to locate using the Arboretum Plant Finder
Several specimens of this hybrid of bog and paper birch have been found in the bog area
[Bidens cernua var. dentata, Bidens cernua var. minima, Bidens cernua var. oligodonta]
Common weed along lake and pond margin
[Bidens tripartita]
Occasional weed on low ground
[Bidens connata f. lakelae, Bidens connata var. ambiversa, Bidens connata var. gracilipes]
Common weed on low ground
Common weed on low ground
[Bidens vulgata var. puberula, Bidens vulgata var. schizantha]
Common on upland areas
[Schoenoplectus fluviatilis, Scirpus fluviatilis]
Common in swamp
see the Citation above to locate using the Arboretum Plant Finder
[Botrychium virginianum var. europaeum, Botrychium virginianus, Botrypus virginianus, Botrypus virginianus subsp. virginianus]
Infrequent in woods
see the Citation above to locate using the Arboretum Plant Finder
[Bromus inermis f. bulbiferous]
Common in fields
Common in swamp and moist woods, see the Citation above to locate using the Arboretum Plant Finder
[Callitriche verna]
Present in new water-lily pond
[Caltha palustris var. arctica]
Common in swamps, see the Citation above to locate using the Arboretum Plant Finder
[Convolvulus sepium, Convolvulus sepium f. coloratus]
Common in cultivated areas
[Dentaria laciniata]
Woodlands, common
[Carex laxiflora var. blanda]
Frequent in woods, see the Citation above to locate using the Arboretum Plant Finder
see the Citation above to locate using the Arboretum Plant Finder
[Carex cristata]
Swamp margins
[Carex hystericina f. gynaecandra]
[Carex intumescens var. fernaldii]
In swamps, common
[Carex lacustris var. lacustris]
see the Citation above to locate using the Arboretum Plant Finder
Woodlands, see the Citation above to locate using the Arboretum Plant Finder
[Carex lanuginosa, Carex lasiocarpa var. latifolia]
Woodlands, see the Citation above to locate using the Arboretum Plant Finder
[Carex convoluta]
Woodlands, see the Citation above to locate using the Arboretum Plant Finder
see the Citation above to locate using the Arboretum Plant Finder
[Carex strictior]
Swamp, frequent, see the Citation above to locate using the Arboretum Plant Finder
Low grounds, see the Citation above to locate using the Arboretum Plant Finder
One indigenous specimen growing near mockorange collection, see the Citation above to locate using the Arboretum Plant Finder
[Hicorius minima]
Common, see the Citation above to locate using the Arboretum Plant Finder
Occasional in woods, see the Citation above to locate using the Arboretum Plant Finder
Common in woods and fence rows, see the Citation above to locate using the Arboretum Plant Finder
[Celtis crassifolia, Celtis occidentalis var. crassifolia]
Occasional in low grounds, see the Citation above to locate using the Arboretum Plant Finder
see the Citation above to locate using the Arboretum Plant Finder
[Cerastium vulgare]
Common weed, status: not endemic; distribution: PNG; growth habit: herbaceous; life form: not reported; verified by: Drinkell; reference: FM vol. 16 - 2002 p.11; expert comment: subsp.; basionym published: 1820
[Ceratophyllum demersum f. missionis, Ceratophyllum demersum var. inflatum, Ceratophyllum missionis]
Common in ponds, status: not endemic; distribution: PNG & Indonesia; growth habit: herbaceous; life form: aquatic; verified by: Walsingham; reference: POWOP/IPNI/WCSP; expert comment: none; basionym published: 1753
[Chelone chlorantha, Chelone glabra forma tomentosa, Chelone glabra var. dilatata, Chelone glabra var. linifolia]
Common weed, see the Citation above to locate using the Arboretum Plant Finder
[Botrys nudata]
Common weed
[Chenopodium gigantospermum, Chenopodium hybridum, Chenopodium hybridum var. gigantospermum]
Common weed
[Cicuta dakotica]
In swamps, frequent
[Cirsium arvense var. mite]
Common field weed
[Cirsium abyssinicum, Cnicus lanceolatus, Cnicus lanceolatus var. abyssinicus]
Occasional in fields and marsh edges
Infrequent on margin of woods, see the Citation above to locate using the Arboretum Plant Finder
[Potentilla palustris, Potentilla palustris f. glandulosa, Potentilla palustris f. palustris, Potentilla palustris f. subsericea]
Occasional in swamp
Frequent in woods, see the Citation above to locate using the Arboretum Plant Finder
see the Citation above to locate using the Arboretum Plant Finder
[Cornus amomum var. schuetzeana, Cornus obliqua, Cornus obliqua var. schuetzeana]
Frequent in swamps
[Cornus foemina, Cornus foemina subsp. racemosa, Cornus racemosa f. nielsenii]
Common in fence rows and margins of woods, see the Citation above to locate using the Arboretum Plant Finder
[Cornus baileyi, Cornus californica, Cornus instolonea, Cornus sericea subsp. sericea, Cornus stolonifera, Cornus stolonifera var. baileyi, Cornus stolonifera var. stolonifera]
Common in swamp, see the Citation above to locate using the Arboretum Plant Finder
[Corylus americana var. indehiscens]
Common on edge of woods and in fence rows, see the Citation above to locate using the Arboretum Plant Finder
Occasional on margin of woods and edge of swamps, see the Citation above to locate using the Arboretum Plant Finder
[Cotoneaster acutifolius var. lucidus]
(Naturalized) Infrequent, see the Citation above to locate using the Arboretum Plant Finder
[Crataegus chapmanii, Crataegus chapmanii var. plukenetii, Crataegus tomentosa]
Occasional in wooded areas and openings
[Crataegus columbiana var. chrysocarpa, Crataegus rotundifolia, Crataegus rotundifolia var. chrysocarpa]
Occasional in wooded areas and openings, see the Citation above to locate using the Arboretum Plant Finder
[Crataegus macrosperma var. acutiloba, Crataegus macrosperma var. roanensis, Crataegus matura, Crataegus pentandra, Crataegus roanensis, Crataegus roanensis var. fluviatilis]
Frequent, see the Citation above to locate using the Arboretum Plant Finder
Occasional on shrubs and herbs
[Cuscuta umbrosa]
Common along swamps edge
[Cyperus engelmannii]
Occasional in swamp, status: not endemic; distribution: PNG & Indonesia; growth habit: herbaceous; life form: not reported; verified by: D.A. Simpson; reference: World Checklist of Selected Plant Families; Flora Malesiana Vol 7, Cyperaceae - I.; expert comment: none; basionym published: 1753
[Cypripedium calceolus var. parviflorum, Cypripedium parviflorum]
[Filix fragilis]
Occasional on moist banks, see the Citation above to locate using the Arboretum Plant Finder
[Petalostemon candidum]
see the Citation above to locate using the Arboretum Plant Finder
[Petalostemon purpureus]
see the Citation above to locate using the Arboretum Plant Finder
[Decodon verticillatus var. laevigatus]
[Desmodium acuminatum, Hylodesmum glutinosum, Meibomia grandiflora]
Occasional in woods, see the Citation above to locate using the Arboretum Plant Finder
see the Citation above to locate using the Arboretum Plant Finder
[Aspidium spinulosum, Dryopteris spinulosa var. spinulosa]
In woods
[Echinochloa pungens var. microstachya]
Field weed and low ground
[Eleocharis erythropoda]
Common in swamp
[Agropyron repens, Agropyron repens f. aristatum, Agropyron repens f. pilosum, Elytrigia repens, Triticum repens]
Common in fields
[Isopyrum biternatum]
see the Citation above to locate using the Arboretum Plant Finder
[Epilobium glandulosum]
Common, swamp margin
[Equisetum arvense var. boreale]
Common on low ground
[Equisetum hyemale var. pseudohyemale, Equisetum hyemale var. pumilum, Equisetum hyemale var. suksdorfii]
Moist banks
[Conyza canadensis]
Field weed, common
[Stenactis strigosa]
Common field weed
see the Citation above to locate using the Arboretum Plant Finder
[Euonymus atropurpurea]
see the Citation above to locate using the Arboretum Plant Finder
[Eupatoriadelphus maculatus, Eupatorium purpureum var. maculatum, Eutrochium maculatum]
Swamp, common
Swamp margins, see the Citation above to locate using the Arboretum Plant Finder
[Eutrochium purpureum]
Moist woods
[Euphorbia esula var. esula, Euphorbia podperae, Euphorbia virgata, Euphorbia x podperae, Euphorbia x pseudovirgata]
field weed
[Chamaesyce glyptosperma, Chamaesyce glyptosperma var. integrata]
Common in fields
Common in fields and on road edges
[Euthamia camporum, Euthamia camporum var. tricostata, Euthamia graminifolia var. graminifolia, Solidago graminifolia, Solidago graminifolia var. major, Solidago graminifolia var. nuttallii, Solidago hirtella]
see the Citation above to locate using the Arboretum Plant Finder
[Polygonum convolvulus]
Field weed, common
[Festuca obtusa]
Common in woodlands
[Fragaria vesca var. americana]
Occasional in moist woods, see the Citation above to locate using the Arboretum Plant Finder
Common in woods and fields
[Rhamnus frangula]
Occasional in swamps (Naturalized)
Infrequent in swamp, see the Citation above to locate using the Arboretum Plant Finder
[Fraxinus pennsylvanica var. austinii, Fraxinus pennsylvanica var. subintegerrima, Fraxinus viridis]
Common, see the Citation above to locate using the Arboretum Plant Finder
[Orchis spectabilis]
Uncommon in woods
[Adventina ciliata, Galinsoga ciliata, Galinsoga parviflora var. hispida, Galinsoga urticifolia, Wiborgia urticifolia]
Occasional along trails
[Galium aparine var. vaillantii]
Common field and moist woods weed
[Galium boreale subsp. septentrionale, Galium boreale var. hyssopifolium, Galium boreale var. intermedium, Galium boreale var. linearifolium, Galium septentrionale]
Common on woods edge
[Galium trifidum var. tinctorium]
Common in moist low ground
Common in moist low ground
Common in woods, see the Citation above to locate using the Arboretum Plant Finder
[Geum aleppicum subsp. strictum, Geum aleppicum var. strictum, Geum strictum]
Common in moist woods
[Glechoma hederacea var. micrantha]
Weed in low ground
In swamp, common, see the Citation above to locate using the Arboretum Plant Finder
[Glyceria neogaea, Glyceria nervata, Glyceria striata var. stricta, Panicularia nervata, Panicularia nervata var. parviglumis]
In swamp and pond margin, common
[Hackelia americana]
Common in woods
[Helenium autumnale var. canaliculatum]
Common in swamp edge, see the Citation above to locate using the Arboretum Plant Finder
[Helianthus borealis, Helianthus giganteus f. verticillatus, Helianthus giganteus var. subtuberosus, Helianthus membranaceus, Helianthus subtuberosus]
Common in wood openings, see the Citation above to locate using the Arboretum Plant Finder
[Helianthus tuberosus var. subcanescens]
Occasional in fields
[Heracleum maximum, Heracleum sphondylium subsp. montanum]
Occasional on low ground
[Humulus americanus]
Occasional in fence rows and thickets, see the Citation above to locate using the Arboretum Plant Finder
[Hypericum pyramidatum]
Common in swamp, see the Citation above to locate using the Arboretum Plant Finder
[Asprella hystrix, Elymus hystrix, Elymus hystrix f. bigeloviana, Elymus hystrix var. bigeloviana, Hystrix patula var. bigeloviana]
Woods, common, see the Citation above to locate using the Arboretum Plant Finder
Common in bog area, see the Citation above to locate using the Arboretum Plant Finder
[Impatiens biflora]
Common in wet woodlands and swamp edges
see the Citation above to locate using the Arboretum Plant Finder
In swamps and low ground, frequent, see the Citation above to locate using the Arboretum Plant Finder
see the Citation above to locate using the Arboretum Plant Finder
(Cultivated and naturalized). Occasional, see the Citation above to locate using the Arboretum Plant Finder
Along trails and roads, common, see the Citation above to locate using the Arboretum Plant Finder
Scattered trees, see the Citation above to locate using the Arboretum Plant Finder
[Lactuca scariola]
Common field weed
Common in moist woods and low areas
see the Citation above to locate using the Arboretum Plant Finder
Occasional in sphagnum area, see the Citation above to locate using the Arboretum Plant Finder
[Lathyrus myrtifolius, Lathyrus palustris var. macranthus, Lathyrus palustris var. myrtifolius]
Common on swamp edge
[Homalocenchrus oryzoides, Leersia oryzoides f. inclusa]
Common on pond margins and low grounds
[Hydrophace minor, Lemna rwandensis, Lenticula palustris, Lenticula vulgaris, Lenticularia monorhiza]
Common in ponds
[Hydrophace trisulca, Lenticula ramosa, Lenticula trisulca, Staurogeton trisculus]
Common in ponds, status: not endemic; distribution: PNG & Indonesia; growth habit: herbaceous; life form: aquatic; verified by: A. Hay; reference: none; expert comment: none; basionym published: 1753
[Lepidium apetalum, Lepidium densiflorum var. macrocarpum, Lepidium neglectum]
Field weed
[Chrysanthemum leucanthemum, Chrysanthemum leucanthemum var. pinnatifidum]
see the Citation above to locate using the Arboretum Plant Finder
[Lilium philadelphicum var. andinum]
Occasional in open areas
(Naturalized) Common in open woods and brushy areas
[Lotus corniculatus var. corniculatus]
[Naumbergia thyrsiflora]
Common in swamp
[Maianthemum canadense var. carolinianum]
Common in moist woodland
[Smilacina amplexicaulis, Smilacina racemosa]
Common in woods, see the Citation above to locate using the Arboretum Plant Finder
[Smilacina sessilifolia, Smilacina stellata]
Uncommon along woodland border
(Naturalized), see the Citation above to locate using the Arboretum Plant Finder
[Malus communis, Malus sylvestris, Pyrus malus, Pyrus pumila]
(Cultivated), see the Citation above to locate using the Arboretum Plant Finder
[Malva rotundifolia]
Common field weed
see the Citation above to locate using the Arboretum Plant Finder
[Medicago lupulina var. glandulosa]
Common in fields and roadside
[Medicago sativa f. alba]
Cultivated fields
[Melilotus alba, Melilotus officinalis]
Fields and roadsides
[Melilotus alba, Melilotus albus]
Fields and roadsides
[Menispermum mexicanum]
Common in woodland
[Mentha arvensis f. glabra, Mentha arvensis var. villosa, Mentha canadensis, Mentha glabrior]
Common in swamp margins
[Mentha arvensis, Mentha arvensis f. glabra, Mentha arvensis var. villosa, Mentha glabrior]
Swamp margins
Common in moist soil, see the Citation above to locate using the Arboretum Plant Finder
[Arenaria lateriflora]
Occasional in woods
[Muhlenbergia frondosa f. commutata]
Occasional in swamps
[Muhlenbergia glomerata var. cinnoides]
[Prenanthes alba]
Common in woods
Common weed in woods and openings
[Nuphar lutea subsp. pumila, Nuphar microphylla f. multisepala, Nuphar microphyllum]
[Nuphar lutea, Nuphar lutea subsp. variegata]
Present in pond in northwest corner of arboretum
Common in low ground, see the Citation above to locate using the Arboretum Plant Finder
Very common in wooded areas, see the Citation above to locate using the Arboretum Plant Finder
[Oxalis europaea, Oxalis europaea f. vestita, Oxalis europaea f. villicaulis, Oxalis europaea var. bushii, Oxalis rufa]
Common woodland and field weed
[Aralia quinquefolia]
Now rare in woodland, probably once more common
[Panicum barbipulvinatum, Panicum capillare var. occidentale]
Field weed
[Dichanthelium oligosanthes]
Open grassland
see the Citation above to locate using the Arboretum Plant Finder
[Parthenocissus quinquefolia]
Common woods and fence rows
[Persicaria amphibia var. emersum, Persicaria amphibia var. stipulacea, Persicaria pratincola, Polygonum amphibium, Polygonum amphibium f. fluitans, Polygonum amphibium f. simile, Polygonum amphibium var. emersum, Polygonum amphibium var. hartwrightii, Polygonum amphibium var. stipulaceum, Polygonum coccineum, Polygonum coccineum f. natans, Polygonum coccineum f. terrestre, Polygonum coccineum var. coccineum, Polygonum coccineum var. pratincola, Polygonum coccineum var. rigidulum, Polygonum natans, Polygonum natans f. genuinum, Polygonum rigidulum]
Common in swamp
[Polygonum hydropiper]
Swamp margins, common
[Persicaria maculata, Persicaria scabra, Persicaria tomentosa, Persicaria tomentosa var. glabrior, Polygonum lapathifolium, Polygonum lapathifolium var. salicifolium, Polygonum scabrum]
Swamp margins, status: not endemic; distribution: Indonesia; growth habit: herbaceous; life form: not reported; verified by: R. Camara Leret; reference: Henty 1978; expert comment: none; basionym published: 1753
[Polygonum dubium, Polygonum persicaria, Polygonum persicaria f. albiflora, Polygonum persicaria f. albiflorum, Polygonum persicaria f. glabrescens, Polygonum puritanorum]
Common field weed
[Polygonum longistylum, Polygonum pensylvanicum, Polygonum pensylvanicum var. laevigatum]
Swamp margins, common
[Polygonum punctatum, Polygonum punctatum var. confertiflorum, Polygonum punctatum var. eciliatum]
Swamp margins, common
[Polygonum sagittatum, Tracaulon sagittatum]
Swamp margins, common
[Baldingera arundinacea, Phalaris arundinacea var. picta, Phalaroides arundinacea, Typhoides arundinacea]
Common in low open ground, see the Citation above to locate using the Arboretum Plant Finder
[Phragmites mauritianus, Phragmites maximus, Phragmites phragmites, Phragmites pungens, Phragmites vulgaris]
Common in swamp
One large cultivated specimen was present, see the Citation above to locate using the Arboretum Plant Finder
see the Citation above to locate using the Arboretum Plant Finder
[Adicea fontana, Adicea opaca]
Moist shaded seepage areas and swamp margins
[Adicea deamii, Adicea nieuwlandii]
Moist shaded seepage areas and woods
Cultivated. 3 small planted specimens, see the Citation above to locate using the Arboretum Plant Finder
Cultivated. 2 small planted specimens, see the Citation above to locate using the Arboretum Plant Finder
[Plantago maior, Plantago maior var. luxuriosa, Plantago major var. asiatica, Plantago major var. major, Plantago major var. pachyphylla, Plantago major var. pilgeri]
Occasional field weed
[Poa bipollicaris]
Occasional in cultivated areas
Occasional in open grassland
[Poa crocata, Poa serotina]
Common in swamp or wet woods
[Polygonatum arenarium, Polygonatum biflorum var. commutatum, Polygonatum canaliculatum, Polygonatum canaliculatum var. rotundifolium, Polygonatum commutatum, Polygonatum commutatum var. lineamentosum]
Moist woods, see the Citation above to locate using the Arboretum Plant Finder
[Polygonum heterophyllum]
Field weed, common
[Populus nivea]
One small tree was present on Bennett addition, see the Citation above to locate using the Arboretum Plant Finder
Occasional, see the Citation above to locate using the Arboretum Plant Finder
Common, see the Citation above to locate using the Arboretum Plant Finder
Common, see the Citation above to locate using the Arboretum Plant Finder
Field weed, status: not endemic; distribution: PNG & Indonesia; growth habit: herbaceous; life form: not reported; verified by: R. Camara Leret; reference: FM7; expert comment: none; basionym published: 1753
[Potamogeton foliosus var. macellus]
[Prunella vulgaris f. lanceolata, Prunella vulgaris var. lanceolata]
Common weed on banks and open areas
Common in fence rows, see the Citation above to locate using the Arboretum Plant Finder
Occasional in woods edge, see the Citation above to locate using the Arboretum Plant Finder
[Prunus serotina var. salicifolia]
Frequent in woods, see the Citation above to locate using the Arboretum Plant Finder
[Padus virginiana]
Common in woods and fence rows, see the Citation above to locate using the Arboretum Plant Finder
Common on well drained soils, see the Citation above to locate using the Arboretum Plant Finder
Occasional, see the Citation above to locate using the Arboretum Plant Finder
[Quercus macrocarpa var. oliviformis]
Common, see the Citation above to locate using the Arboretum Plant Finder
Common in wooded areas, see the Citation above to locate using the Arboretum Plant Finder
[Ranunculus abortivus var. acrolasius]
Common in moist woods and cultivated ground
[Ranunculus hispidus var. nitidus]
Occasional in wet areas
see the Citation above to locate using the Arboretum Plant Finder
Occasional in woods and swamps (Naturalized)
[Rhus x pulvinata]
Common on banks and in openings, see the Citation above to locate using the Arboretum Plant Finder
[Rhus hirta]
Common on banks and in fence rows, see the Citation above to locate using the Arboretum Plant Finder
[Rhus glabra var. borealis, Rhus glabra x typhina, Rhus x pulvinata]
(A natural hybrid with R. typhina) Occasional
[Ribes floridum]
Common in moist fence rows and moist woods
Common in woods, see the Citation above to locate using the Arboretum Plant Finder
[Grossularia missouriensis]
Occasional in woods
[Rorippa hispida, Sisymbrium amphibium var. palustre]
Frequent swamp edge, status: not endemic; distribution: PNG & Indonesia; growth habit: herbaceous; life form: not reported; verified by: R. Camara Leret; reference: FM 10; expert comment: none; basionym published: 1753
[Rosa rousseauiorum]
Common, see the Citation above to locate using the Arboretum Plant Finder
[Rubus allegheniensis var. neoscoticus, Rubus nigrobaccus]
Common along fence rows and in woods
[Rubus idaeus subsp. idaeus]
[Rubus idaeus var. aculeatissimus, Rubus strigosus var. strigosus]
Common on swamp edge and fence rows
[Rudbeckia flava]
see the Citation above to locate using the Arboretum Plant Finder
[Rumex orbiculatus]
Common in swamp
Occasional in moist woods
[Sagittaria latifolia var. obtusa]
Common along swamp borders
[Salix alba var. vitellina]
[Salix alba]
(Cultivation)
Common in low ground, see the Citation above to locate using the Arboretum Plant Finder
[Salix bebbiana var. depilis, Salix rostrata]
Common in swamp margin
Common, swamp margin, see the Citation above to locate using the Arboretum Plant Finder
[Salix exigua subsp. interior, Salix interior var. pedicellata, Salix interior var. wheeleri]
Common low ground
Occasional on swamp margin
[Salix gracilis, Salix gracilis var. textoris]
Common, swamp margin, see the Citation above to locate using the Arboretum Plant Finder
[Salix lucida var. serissima]
Occasional in sphagnum swamp
[Sambucus canadensis var. canadensis, Sambucus nigra subsp. canadensis, Sambucus simpsonii]
Common on moist soil, see the Citation above to locate using the Arboretum Plant Finder
[Sambucus nigra]
One specimen noted in oak woods
[Sambucus racemosa]
Common in woods, see the Citation above to locate using the Arboretum Plant Finder
Common in woods, see the Citation above to locate using the Arboretum Plant Finder
see the Citation above to locate using the Arboretum Plant Finder
see the Citation above to locate using the Arboretum Plant Finder
[Scirpus tabernaemontani, Scirpus validus, Scirpus validus var. creber]
Occasional in pond and swamps, status: not endemic; distribution: PNG & Indonesia; growth habit: herbaceous; life form: not reported; verified by: D.A. Simpson; reference: World Checklist of Selected Plant Families; Flora Malesiana Vol 7, Cyperaceae - I.; expert comment: none; basionym published: 1805
see the Citation above to locate using the Arboretum Plant Finder
see the Citation above to locate using the Arboretum Plant Finder
[Scirpus rubricosus]
Occasional in swamp, see the Citation above to locate using the Arboretum Plant Finder
[Scrophularia dakotana]
Occasional in moist woods
[Scutellaria epilobiifolia, Scutellaria galericulata var. epilobiifolia]
Common in swamp
[Panicum pallide-fuscum, Panicum pumilum, Pennisetum glaucum, Setaria erythraeae, Setaria glauca subsp. pallide-fusca, Setaria glauca var. pallide-fusca, Setaria lutescens, Setaria pallide-fusca, Setaria pumila subsp. pallide-fusca]
Common weed
[Panicum viride]
Common weed, status: not endemic; distribution: PNG; growth habit: herbaceous; life form: not reported; verified by: R. Camara Leret; reference: Veldkamp: Setaria version July 2017; expert comment: none; basionym published: 1759
Occasional on moist soil and fence rows, see the Citation above to locate using the Arboretum Plant Finder
[Brassica kaber]
Field weed
[Sisymbrium officinale var. leiocarpum]
Field weed
Occasional in woods and openings
[Smilax hispida]
*Not listed*
[Solanum nodiflorum, Solanum ptychanthum]
Weed in cultivated ground, status: not endemic; distribution: PNG & Indonesia; growth habit: herbaceous; life form: not reported; verified by: S. Knapp; reference: none; expert comment: none; basionym published: 1768
[Solidago canadensis var. salebrosa, Solidago perornata]
Common in field and fence rows
[Solidago canadensis var. salebrosa]
[Solidago latifolia]
Common in woods
[Solidago dumentorum, Solidago gigantea var. leiophylla, Solidago serotina]
Common on wood edge
[Oligoneuron rigidum var. rigidum]
see the Citation above to locate using the Arboretum Plant Finder
[Solidago humilis, Solidago humilis var. abbei]
Common in bog areas
[Sonchus arvensis var. glabrescens, Sonchus uliginosus]
Common field weed
see the Citation above to locate using the Arboretum Plant Finder
[Sparganium erectum]
see the Citation above to locate using the Arboretum Plant Finder
Occasional on low ground, see the Citation above to locate using the Arboretum Plant Finder
[Sphenopholis obtusata var. major]
In woods, occasional
[Spiraea alba f. rosea, Spiraea simplex]
Common in swamp, see the Citation above to locate using the Arboretum Plant Finder
[Lemna polyrrhiza]
Common in ponds
[Stachys palustris var. palustris]
Common in swamp margin
[Stachys palustris var. macrocalyx, Stachys tenuifolia var. platyphylla, Stachys tenuifolia var. tenuifolia]
Common in moist soils
[Stellaria atrata, Stellaria atrata var. eciliata]
Edge of swamp
[Alsine media]
Common weed, status: not endemic; distribution: PNG & Indonesia; growth habit: herbaceous; life form: not reported; verified by: Drinkell; reference: FM Portal; expert comment: none; basionym published: 1753
[Coleogeton pectinatus, Potamogeton livingstonei, Potamogeton pectinatus, Potamogeton pectinatus var. tenuifolius]
Common in pond
see the Citation above to locate using the Arboretum Plant Finder
Common in old pasture areas, see the Citation above to locate using the Arboretum Plant Finder
[Aster borealis, Aster junciformis]
Frequent in swamp
[Aster choralis, Aster cordifolius, Aster sagittifolius]
Common in woods
[Aster laeviformis, Aster laevis, Aster laevis var. abbreviatus, Aster laevis var. sourisensis, Aster laevis var. undulatifolius]
[Aster chelonicus, Aster hesperius, Aster jacobaeus, Aster lanceolatus, Aster paniculatus]
Swales, frequent
[Aster hesperius, Aster hesperius var. wootoni]
Swamp edge, common
[Aster ontarionis]
Frequent in moist woods
[Aster longifolius, Aster longifolius f. pallens, Aster puniceus]
Common in swamp
[Aster urophyllus]
Occasional in openings
(Cultivated), see the Citation above to locate using the Arboretum Plant Finder
Occasional field weed, see the Citation above to locate using the Arboretum Plant Finder
Common in swamp margin, see the Citation above to locate using the Arboretum Plant Finder
Common in woods, see the Citation above to locate using the Arboretum Plant Finder
[Dryopteris thelypteris, Dryopteris thelypteris var. pubescens]
Common in swamp
Common weed in cultivated areas
Common in woods, see the Citation above to locate using the Arboretum Plant Finder
[Rhus radicans, Toxicodendron fothergilloides]
[Rhus radicans var. rydbergii, Toxicodendron dessertorum]
Common
[Tragopogon major]
Common in fields
[Hypericum virginicum var. fraseri]
Frequent in swamp
[Trifolium hybridum var. elegans]
[Trifolium pratense var. sativum]
Common in fields
see the Citation above to locate using the Arboretum Plant Finder
see the Citation above to locate using the Arboretum Plant Finder
status: not endemic; distribution: PNG & Indonesia; growth habit: herbaceous; life form: not reported; verified by: R. Camara Leret; reference: none; expert comment: none; basionym published: 1753
Common in swamps and pond edges
[Ulmus americana f. alba, Ulmus floridana]
Common in woods, see the Citation above to locate using the Arboretum Plant Finder
Occasional (Naturalized), see the Citation above to locate using the Arboretum Plant Finder
[Ulmus fulva]
Common in woods
[Urtica dioica subsp. dioica, Urtica dioica var. procera, Urtica gracilis, Urtica lyallii, Urtica procera, Urtica strigosissima]
Common field weed, common in woods
Common in woods, see the Citation above to locate using the Arboretum Plant Finder
Common on moist soil, see the Citation above to locate using the Arboretum Plant Finder
[Veronia fasciculata]
Occasional in low ground, see the Citation above to locate using the Arboretum Plant Finder
Swamp margin, common, see the Citation above to locate using the Arboretum Plant Finder
see the Citation above to locate using the Arboretum Plant Finder
Common along edge of woods, see the Citation above to locate using the Arboretum Plant Finder
[Viburnum affine, Viburnum affine var. hypomalacum]
Common on woodland border, see the Citation above to locate using the Arboretum Plant Finder
[Viburnum opulus var. americanum]
Frequent in swamps, see the Citation above to locate using the Arboretum Plant Finder
[Vicia hypolasia]
Common in woods and openings
[Vicia angustifolia, Vicia angustifolia var. segetalis, Vicia sativa var. aristulata, Vicia sativa var. nigra]
Common field weed
see the Citation above to locate using the Arboretum Plant Finder
[Viola minuscula, Viola pallens var. subreptans]
In bog areas (Occasional)
[Viola chalcosperma, Viola cuspidata, Viola floridana, Viola sororia]
Common in woods
[Viola pensylvanica, Viola pensylvanica subsp. leiocarpa, Viola pubescens var. peckii, Viola pubescens var. pubescens]
Common in woods
[Viola chalcosperma, Viola cuspidata, Viola floridana, Viola papilionacea]
Common in woods
Common in and around wooded areas
[Wolffia papulifera, Wolffia punctata]
Open water in swamp
[Zizania palustris var. interior]
Rare on pond edge
Common in moist woods, see the Citation above to locate using the Arboretum Plant Finder