Illinois Natural History Survey - University of Illinois

Table 2. Most frequently sampled plant species in nine Illinois hill prairies.

 


 

Species Percent of plots Average cover (% total area)
Schizachryium scaparium 64.6 30.49
Bouteloua curtipendula 62.4 13.50
Petalostemum purpureum 37.1 3.41
Panicum spp. 29.8 2.68
Aster azureus 29.2 5.29
Andropogon gerardii 27.5 25.90
Psoralea tenuiflora 27.5 12.24
Solidago nemoralis 22.5 3.14
Melilotus alba 18.0 9.05
Aster ericoides 16.3 9.81
Senecio plattensis 16.3 0.37
Rhus glabra 15.7 27.60
Cornus drummondii 15.2 14.38
Euphorbia corollata 15.2 1.47
Ambrosia artemisiifolia 14.6 12.55
Cassia fasciculata 14.0 4.48
Eupatorium altissimum 13.5 2.74
Aster patens 12.9 2.47
Ruellia humilis 12.9 0.96
Juniperus virginiana 11.2 20.60
Kuhnia eupatorioides 10.7 2.57
Asclepias verticillata 10.7 2.12

 



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