Invasive Plants of South Mountain Reservation

Invasive plants are disruptive to our local ecosystems, because they've been separated from the insects and animals that eat them in their original habitat. As a result, they grow unchecked, here, and threaten to crowd out the native species that our local insects, birds, and other animals ...more ↓

All 23

Japanese knotweed ¹
Reynoutria japonica

Japanese barberry ²
Berberis thunbergii

Wineberry ³
Rubus phoenicolasius

multiflora rose ⁴
Rosa multiflora

garlic mustard ⁵
Alliaria petiolata

common mugwort ⁶
Artemisia vulgaris

winged euonymus ⁷
Euonymus alatus

Japanese stiltgrass ⁸
Microstegium vimineum

Japanese honeysuckle ⁹
Lonicera japonica

mile-a-minute weed ¹⁰
Persicaria perfoliata

Christmas berry ¹¹
Pourthiaea villosa

sapphire-berry ¹²
Symplocos paniculata

Japanese angelica tree ¹³
Aralia elata

Oriental bittersweet ¹⁴
Celastrus orbiculatus

jetbead ¹⁵
Rhodotypos scandens

Norway maple ¹⁶
Acer platanoides

linden viburnum ¹⁷
Viburnum dilatatum

Siebold's Viburnum ¹⁸
Viburnum sieboldii

common buckthorn ¹⁹
Rhamnus cathartica

tree-of-heaven ²⁰
Ailanthus altissima

Chinese bushclover ²¹
Lespedeza cuneata

common alder ²²
Alnus glutinosa

autumn olive ²³
Elaeagnus umbellata

Edited by Lori LaBorde, Rich Rockwel, and Tom Pollard, some rights reserved (CC BY-SA)

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Invasive Plants of South Mountain Reservation

Japanese knotweed 1 Reynoutria japonica

Japanese barberry 2 Berberis thunbergii

Wineberry 3 Rubus phoenicolasius

multiflora rose 4 Rosa multiflora

garlic mustard 5 Alliaria petiolata

common mugwort 6 Artemisia vulgaris

winged euonymus 7 Euonymus alatus

Japanese stiltgrass 8 Microstegium vimineum

Japanese honeysuckle 9 Lonicera japonica

mile-a-minute weed 10 Persicaria perfoliata

Christmas berry 11 Pourthiaea villosa

sapphire-berry 12 Symplocos paniculata

Japanese angelica tree 13 Aralia elata

Oriental bittersweet 14 Celastrus orbiculatus

jetbead 15 Rhodotypos scandens

Norway maple 16 Acer platanoides

linden viburnum 17 Viburnum dilatatum

Siebold's Viburnum 18 Viburnum sieboldii

common buckthorn 19 Rhamnus cathartica

tree-of-heaven 20 Ailanthus altissima

Chinese bushclover 21 Lespedeza cuneata

common alder 22 Alnus glutinosa

autumn olive 23 Elaeagnus umbellata