Paeter G. Kevan , Robert W. Longair , Randy M. Gadawski
Botany 63 ( 12) 2263 -2267
P. G. Kevan , V. G. Thomas , E. A. Clark
Proceedings of the Entomological Society of Ontario 121 43 -48
P. G. Kevan , J. D. Ambrose
Reproductive biology of rare Carolinian plants with regard to conservation management. 57 -63
A. P. Willsie , P. G. Kevan , D. S. Willis , T. W. Chapman
Journal of the Kansas Entomological Society 63 ( 4) 641 -643
P. G. Kevan
Enviroquest Ltd
P. G. Kevan , T. M. Laverty
Bulletin - Entomological Society of Canada 22 ( 3) 129 -131
M. A. Lachance , D. Eisikowitch , P. G. Kevan
Israel journal of botany 39 217 -225
P. G. Kevan , T. M. Laverty
Canadian Beekeeping 15 ( 8) 176 -177
K. S. Burgess , J. Singfield , P. G. Kevan , V. Melendez
Annals of the Missouri Botanical Garden 91 ( 2) 346 -356
S. Fowle , K. Thomas , D. Eisikowitch , P. G. Kevan
Pollen et spores 29 ( 1) 121 -128
P. G. Kevan
American Bee Journal 138 ( 4)
P. Nunes-Silva , B. M. Freitas , G. D. Cordeiro , D. Obregon
Studia Dipterologica 17 177 -185
L. Tam , P. G. Kevan , J. T. Trevors
Polar Biology 26 ( 5) 287 -294
P. G. Kevan , O. Kukal
Canadian Journal of Zoology 71 ( 8) 1699 -1701
F. Di-Giovanni , P. G. Kevan , G.-É. Caron
Forestry Chronicle 72 ( 2) 166 -169
P. G. Kevan , M. A. Lane
Proceedings of the National Academy of Sciences of the United States of America 82 ( 14) 4750 -4752
M. Horsburgh , J. C. Semple , P. G. Kevan
Rhodora 113 ( 953) 64 -86
P. G. Kevan , D. Eisikowitch , B. Rathwell
Botanical Gazette 150 ( 3) 266 -270
N. E. Miller-Struttmann , J. C. Geib , J. D. Franklin , P. G. Kevan
Science 349 ( 6255) 1541 -1544
P. G. Kevan
Arctic and alpine research 22 ( 3) 283 -289