The Audubon Society Field Guide to North American Butterflies.Robert Michael Pyle

1983 ◽  
Vol 58 (1) ◽  
pp. 100-101
Author(s):  
Peter F. Brussard
Taxon ◽  
1981 ◽  
Vol 30 (2) ◽  
pp. 548 ◽  
Author(s):  
R. S. Cowan ◽  
E. L. Little

1978 ◽  
Vol 42 (3) ◽  
pp. 709
Author(s):  
Fred G. Evenden ◽  
John Bull ◽  
John Farrand

Mycologia ◽  
1983 ◽  
Vol 75 (3) ◽  
pp. 574 ◽  
Author(s):  
Rolf Singer ◽  
Gary H. Lincoff

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