Congeneric 



Refers to plants or animals in the same genus, e. g., 

 Quercus alba and Q. rubra. 



Conifer 



Any plant in the order Coniferales, e. g., pine, spruce, fir, 

 juniper, etc. 



Coniferous 



Refers to a Conifer, or to the order, Coniferales. 



Conjunctive Symbiosis 



See Symbiosis. 



Conservation 



Usage or the aggregate of practices and customs of man 

 that permit the perpetuation and sustained yield of renew- 

 able resources and the prevention of waste of non-renewable 

 resources. 



Consociation 



In the Clements usage a morphological part of a Climax 

 Association, characterized by the presence of one dominant, 

 e. g., the little bluestem and needlegrass consociations in 

 climax tall grass or true prairie. 



Consocies 



In the Clements sense a morphological part of an As- 

 socies (q. v.), a developmental unit, characterized by the 

 presence of a single dominant, e. g., a stand of Russian thistle 

 in the first weed stage in secondary Succession. 



Consortism 



See Symbiosis. 



Constance 



See Constancy. 



Constancy 



The percentage of occurrence of a species in the total 



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