Keystone Native Plants
Chicksaw Plum, Prunus angustifolia - Gary Flaming, DCR Natural Heritage Program
“Keystone plants are native plants 30 Top Plants for Food Web Support critical to the food web & necessary for many wildlife species to complete their life cycle.”
LEPIDOPTERA
Research has identified Lepidoptera (butterfly and moth) larvae (caterpillars) as critical links in the food chain and act as good indicators for ecological resilience in a landscape.
The larvae eat a plant’s leaves, essentially converting sunlight into protein for hungry birds.
The adult butterflies and moths then pollinate plants, along with other insects such as wasps, flies, and beetles.
Following is a list of important keystone plants native to Virginia. The numbers indicate the quantity of lepidoptera species supported by each plant.
Top Plants for Food Web Support
436 Quercus/Oak — such as Q. alba, Q. velutina
340 Prunus/Plum — such as P. americana, P. serotina
289 Salix/Willow — such as S. nigra
284 Betula/Birch — such as B. nigra
249 Populus/Cottonwood — such as P. deltoides
238 Acer/Maple — such as A. negundo, A. rubrum
217 Vaccinium/Blueberry — such as V. corymbosum, V. pallidum
213 Carya/Hickory — such as C. glabra
200 Pinus/Pine — such as P. virginiana
164 Ulmus/Elm — such as U. americana
127 Rubus/Raspberry — such as R. flagellaris, R. occidentalis
125 Juglans/Walnut — such as J. nigra
121 Fraxinus/Ash — such as F. americana, F. pennsylvanica
116 Fagus/Beech — such as F. grandifolia
115 Castanea/Chestnut — such as C. pumila
108 Corylus/Hazelnut —- such as C. americana
104 Solidago/Goldenrod — such as S. rugosa
102 Rosa/Rose — such as R. carolina, R. palustris
100 Symphyotrichum/Aster — such as S. cordifolium, S. novae-angliae
92 Amelanchier/Serviceberry — such as A. arborea
Banner image - Black Walnut, Juglans nigra by Gary Fleming, DCR Natural Heritage Program
90% of keystone species are woody trees + shrubs.
Beech, Fagus grandifolia - Gary Fleming, DCR Natural Heritage Program.
Black Cherry, Prunus serotina - Dot Field
Deerberry - Vaccinium stamineum - Gary Fleming, DCR Natural Heritage Program
Alder, Alnus Serrulata - Gary Fleming, DCR Natural Heritage Program.