Table 1.

Numbers of plants of various genera found growing on or at the base of abandoned brick kilns — 1982.

GenusKILN ZONEBaseTotal
CrownShoulder
Acer0011
Ailanthus47206217
Betula3003
Catalpa1168
Celtis0213
Crataegus0538
Fagus0011
Juniperus0112
Morus001111
Platanus271019
Populus
    deltoides141221164
    tremuloides82010
Quercus0011
Rhus1012
Robinia122427
Salix611017
Ulmus002323
Total16780270517