19 BOGS FROM SOUTHERN QUEBEC

[21] Post-glacial forest succession in northern New Jersey as shown by pollen records from five bogs [J]. AMERICAN JOURNAL OF BOTANY, 1943, 30 (02) : 83 - 87

[22] POTZGER JE, 1945, BUTLER U BOT STUD, V7, P184

[23] POTZGER JE, 1950, BOGS QUETICO SUPERIO, P919

[24] POTZGER JE, 1952, POSTALGONQUIN POSTNI

[25] POTZGER JOHN E., 1948, BUTLER UNIV BOT STUD, V8, P178

[26] SWICKARD DAYTON A., 1941, BUTLER UNIV BOT STUD, V5, P67

[27] Wenner C. G., 1947, Geografiska Annaler, V29, P137, DOI 10.2307/519998

[28] Pollen records from lakes in Anoka County, Minnesota - A study on methods of sampling [J]. ECOLOGY, 1943, 24 (03) : 382 - 392

[29] [No title captured]

[21] Post-glacial forest succession in northern New Jersey as shown by pollen records from five bogs [J]. AMERICAN JOURNAL OF BOTANY, 1943, 30 (02) : 83 - 87

[22] POTZGER JE, 1945, BUTLER U BOT STUD, V7, P184

[23] POTZGER JE, 1950, BOGS QUETICO SUPERIO, P919

[24] POTZGER JE, 1952, POSTALGONQUIN POSTNI

[25] POTZGER JOHN E., 1948, BUTLER UNIV BOT STUD, V8, P178

[26] SWICKARD DAYTON A., 1941, BUTLER UNIV BOT STUD, V5, P67

[27] Wenner C. G., 1947, Geografiska Annaler, V29, P137, DOI 10.2307/519998

[28] Pollen records from lakes in Anoka County, Minnesota - A study on methods of sampling [J]. ECOLOGY, 1943, 24 (03) : 382 - 392

[29] [No title captured]