Solidago nemoralis, Aster azureus, Amorpha canescens
, and Coreopsis
macrofossils first appear 2900 yr BP, although the pollen data suggest that it may have been present earlier; it is one of the most commonly found macrofossils of prairie habitats (Watts and Winter 1966, Van Zant 1979, R.
Nash (little bluestem), Amorpha canescens
Pursb, (leadplant), Aster ericoides L.
The major (99% by biomass) legume species in these fields are Lathyrus venosus, Lespedeza capitata, and Amorpha canescens
(hereafter referred to by genus), but these typically represent [less than]5% of aboveground phytomass (Tilman 1987, 1988).
indicated that co-flowering Amorpha canescens
Pursh competed with Echinacea angustifolia De Candolle for Bombus pollinators rather than facilitating its pollination.
Deer selectively graze wildflowers such as Amorpha canescens
Pursh: P39808 Dalea purpurea Vent.
(leadplant) and Cornus drummondii (gray dogwood) were representative of NDW species.
The majority of the more conservative taxa including, Amorpha canescens
Pursh (leadplant), Anemone cylindrica Gray (thimbleweed), Asclepias amplexicaulis Small (sand milkweed), Dalea purpurea Vent.