At: Naturalia Monspeliensia, Series, Botanique, 14 By: Grambast L.
journalAt: Comptes rendus hebdomadaires des séances de l’Académie des Sciences, Paris, 145, 19 By: Bertrand P.
journalAt: Botanical Journal of the Linnean Society, 106, 1 By: Burgess N. D., Edwards D.
journalAt: Journal of botany, British and Foreign, 62 By: Groves J.
bookAt: Iskop. Tsvetk. Rast. Ross., St.-Petersburg, 4 By: Arbuzova O. N., Nikitin V. P.
journalAt: American Journal of Botany, 83, 6 By: Chitaley S. D., Pigg K. B.
journalAt: Geobios, 8, 2 By: Poncet J.
journalAt: Arkiv för Botanik, 10, 14 By: Halle T. G.
journalAt: Geološki glasnik, 4 By: Pantić S.
journalAt: Geološki vjesnik, 1969, 23 By: Nikler L., Sokač B.