B. Papp szerk.: Studia Botanica Hungarica 37. 2006 (Budapest, 2006)
Hably, Lilla: Catalogue of the Hungarian Cenozoic leaf, fruit and seed floras from 1856 to 2005
OLIGOCENE Bajna: Drillings Nos 57, 58 Remains: Lygodium gaudini Heer, Osmunda lignitum (Giebel) Stur (PÁLFALVY 1980). Strata: clay. Deposited at: MÁFI. Csolnok Remains: Daphnogene cinnamomifolia (Brongniart) Unger, Dicotyledoncae gen. et sp. indet. Dicotylophyllum sp., Laurophyllum pseudoprinceps Weyland et Küpper, Laurophyllum sp., Monocotyledoneae gen. ct sp. indet. Pronephriutn stiriacum (Unger) Knobloch et Kvacek, "Rhamnus" wartime Heer, cf. Sequoia abietina (Brongniart) Knobloch, Taxodiaceae gen. et sp. indet. Tetraclinis salicomioides (Unger) Kvacek, Ulmus Tfischeri Heer (ERDEI and WILDE 2004). Strata: clay. Deposited at: BP. Kocs: Drilling No. 4 Remains: Blechnum dentation (Goeppert) AI. Braun, Osmunda lignitum (Giebel) Stur, Pronephrium stiriacum (Unger) Knobloch et Kvacek (PÁLFALVY 1980). Strata: clay. Deposited at: MÁFI. LOWER OLIGOCENE Budakeszi Remain: Castalia (Nymphaea) cf. alba (L.) Wood (BOROS 1926). Strata: clay. Deposited at: unknown. Budapest: Batthyány tér Remains: Antrophytes egedensis Andreanszky, Castanopsis furcinen'is (Rossmässler) Kräusel ct Weyland = Eotrigonobalanus furcinen'is (Rossmässler) Walther et Kvacek, Ceratopetalum articulation Andreanszky et Novak, Cunonia oligocaenica Andreanszky et Novak = Platanus neptuni (Ettingshausen) Bûzek, Holy et Kvacek, Embolhrites sp. = Cedrelospermum aquense (Saporta) Saporta, Engelhardtia brongniarti Saporta = Engelhardia macroptera (Brongniart) Unger, Osmunda legányii Andreanszky, Persea budensis Andreanszky sp. nov., Pinus tuzsoni Novak (ANDREANSZKY 1963fl).