Fossil plants, Vol. 2: A text-book for students of botany and geology

by A. C. Seward

[1002] Stur (85) A. p. 106.

[1003] Zenker (37).

[1004] Strasburger (74).

[1005] Kidston (91²) p. 20.

[1006] Geinitz (72). See Solms-Laubach (83), who gives in full the early history of the genus Scolecopteris.

[1007] Sterzel (78); (80).

[1008] Stur (85) p. 140.

[1009] Zeiller (99) p. 17.

[1010] Zeiller (06) p. 10.

[1011] Brongniart (28) A. Pl. CXXV. fig. 4.