Leslie, T. N. (06) See Mellor, E. T. and T. N. Leslie.
Lesquereux, L. (78) Contributions to the fossil flora of the Western Territories. Pt. II. The Tertiary floras. U. S. Geol. Surv. Report.
Leuthardt, F. (04) Die Keuperflora von Neuewelt bei Basel. Teil II. Abh. Schweiz. Pal. Ges. Bd. XXXI. p. 25.
Lignier, O. (03) Equisétales et Sphénophyllales. Leur origine filicinéenne commune. Bull. Soc. Linn. Normandie [5], vol. VII. p. 93.
—— (08) Sur l’origine des Sphénophyllées. Bull. Soc. Bot. France [4], vol. VIII. p. 278.
Lindman, C. A. M. (04) Regnellidium novum genus Marsiliacearum. Arkiv Bot. K. Svensk. Vetenskaps-Akad. Stockholm.
Lloyd, E. and L. M. Underwood. (00) A review of the species of Lycopodium of North America. Bull. Torrey Bot. Club, vol. XXVII. p. 147.
Logan, W. E. (42) On the character of the beds of clay immediately below the coal-seams of S. Wales. Trans. Geol. Soc. London, vol. VI. p. 491.
Lomax, J. (90) See Cash, W. and J. Lomax.
—— (00) See Wild, G. and J. Lomax.