At: International Journal of Plant Sciences, 181, 3 By: Huegele I. B., Spielbauer R. J., Manchester S. R.
journalAt: Palaeoworld, 15, 1 By: Wang Y., Berry C. M.
journalAt: Australian journal of botany, 16, 1 By: Gould R. E.
bookAt: Morph. Pl., New York, Harper and Row, 3 By: Bold H. C.
bookAt: Morph. Vasc. Pl., New York–London, McGraw-Hill Book Company By: Eames A. J.
bookAt: Morph. Vasc. Pl., New York, McMillan By: Bierhorst D. W.
journalAt: Systematic Botany, 10, 2 By: Trivett M. L., Rothwell G. W.
journalAt: Phytomorphology, 44, 1-2 By: Prasad M.
journalAt: Journal of Paleontology, 11, 2 By: Peck R. E.
bookAt: Iskop. Tsvetk. Rast. SSSR, Leningrad, Izdatel'stvo Nauka, Leningradskoe otdelenie, 2 By: Dorofeev P. I.