Sterile leaves of Lygodium kaulfussi. Figure 3 in Manchester, S.R. and M.S. Zavada 1987. Lygodium foliage with intact sporophores from the Eocene of Wyoming. Botanical Gazette 148:392-399.
Paleobotany + Palynology
Sterile leaves of Lygodium kaulfussi. Figure 3 in Manchester, S.R. and M.S. Zavada 1987. Lygodium foliage with intact sporophores from the Eocene of Wyoming. Botanical Gazette 148:392-399.