AZOLLA - BIOLOGY AND AGRONOMIC SIGNIFICANCE

[11] BORTELS H., 1940, ARCH MIKROBIOL, V11, P155, DOI 10.1007/BF00407319

[12] BOTTOMLEY WB, 1920, ANN BOT-LONDON, V39, P353

[13] BRUNKER JP, 1949, IRISH NAT J, V9, P340

[14] BURKILL IH, 1935, DICTIONARY ECONOMIC, V1, P276

[15] CHARLESWORTH JK, 1957, QUARTERNARY ERA, V2, P949

[16] CHARLESWORTH JK, 1957, QUARTERNARY ERA, V2, P955

[17] CHARLESWORTH JK, 1957, QUARTERNARY ERA, V2, P910

[18] CHEVALIER AUG, 1926, REV BOT APPL ET AGRIC COLONIALE, V6, P356

[19] COHN JULIUS, 1953, AMER FERN JOUR, V43, P7, DOI 10.2307/1545147

[20] DEBOLOS O, 1957, COLLECTANEA BOT BARC, V4, P415

[11] BORTELS H., 1940, ARCH MIKROBIOL, V11, P155, DOI 10.1007/BF00407319

[12] BOTTOMLEY WB, 1920, ANN BOT-LONDON, V39, P353

[13] BRUNKER JP, 1949, IRISH NAT J, V9, P340

[14] BURKILL IH, 1935, DICTIONARY ECONOMIC, V1, P276

[15] CHARLESWORTH JK, 1957, QUARTERNARY ERA, V2, P949

[16] CHARLESWORTH JK, 1957, QUARTERNARY ERA, V2, P955

[17] CHARLESWORTH JK, 1957, QUARTERNARY ERA, V2, P910

[18] CHEVALIER AUG, 1926, REV BOT APPL ET AGRIC COLONIALE, V6, P356

[19] COHN JULIUS, 1953, AMER FERN JOUR, V43, P7, DOI 10.2307/1545147

[20] DEBOLOS O, 1957, COLLECTANEA BOT BARC, V4, P415