LORIGINE DE LA FLEUR

[1] ARVY L, 1947, ANN SCI NAT BOT, V8

[2] BENSON M, 1922, BOT GAZ, V74, P120

[3] CHADEFAUD M, 1946, REV SCI, P502

[4] EMBERGER L, 1949, ANN SCI NAT BOT BIOL, V10, P131

[5] Emberger L, 1944, PLANTES FOSSILES LEU

[6] FLORIN R, 1938, KONIFEREN OBERKARBON

[7] HAGERUP O, 1933, DST KGL DANSKE VID E, V10, P1

[8] MOTTE J, 1946, REC TRAV I BOT MONTP

[9] NOZERAN R, 1950, REC TRAV I BOT MONTP

[10] NOZERAN R, UNPUB

[1] ARVY L, 1947, ANN SCI NAT BOT, V8

[2] BENSON M, 1922, BOT GAZ, V74, P120

[3] CHADEFAUD M, 1946, REV SCI, P502

[4] EMBERGER L, 1949, ANN SCI NAT BOT BIOL, V10, P131

[5] Emberger L, 1944, PLANTES FOSSILES LEU

[6] FLORIN R, 1938, KONIFEREN OBERKARBON

[7] HAGERUP O, 1933, DST KGL DANSKE VID E, V10, P1

[8] MOTTE J, 1946, REC TRAV I BOT MONTP

[9] NOZERAN R, 1950, REC TRAV I BOT MONTP

[10] NOZERAN R, UNPUB