1 2 Table S6 Fossil records of Typha. Location Age Organ Reference Wyoming, USA Montana, USA Late Cretaceous Paleocene Leaf Pollen Wyoming, USA Colorado, USA Sachsen-Anhalt, Germany Early Eocene Oligocene Cretaceous Inflorescence Leaf Seeds Isle of Wight, UK Latest Eocene Seeds Southern England Latest Eocene Seeds Isle of Wight, UK Isle of Wight, UK Saxony, Germany Saxony, Germany Lusatia, Germany Ivrea, Italy Turin, Italy Latest Eocene Lower Oligocene Oligocene Early Oligocene Miocene Pliocene Pliocene Leaves and seeds Seeds Seeds Seeds Seeds Pollen Fruits and seeds Shanxi, China Shanxi, China Shanxi, China Queensland, Australia Late Pliocene Late Pliocene Late Pliocene Eocene–Oligocene – Leaf Pollen Seeds Central Otago and Southland, New Zealand Miocene Leaves and seeds Dorf, 1942 Wilson & Webster, 1946 Grande, 1984 MacGinitie, 1953 Knobloch & Mai, 1986 Collinson & van Bergen, 2004 Collinson et al., 1993 Reid et al., 1926 Collinson, 1983 Mai & Walther, 1991 Mai, 1997 Mai, 1999 Martinetto, 2001 Martinetto et al., 2007 Cao & Cui, 1989 Present Study Qin et al., 2011 Dettmann & Clifford, 2000 Pole, 2007 3 SReferences 4 Cao JX, Cui HT (1989) Research of Pliocene flora and paleoenvironment of Yushe 5 basin on Shanxi Plateau, China. Scientia Geologica Sinica, 4, 369-375 (in Chinese 6 with English abstract). 7 Collinson ME (1983) Palaeofloristic assemblages and palaeoecology of the Lower 8 Oligocene Bembridge Marls, Hamstead Ledge, Isle of Wight. Botanical Journal of 9 the Linnean Society, 86, 177-225. 10 Collinson ME, Singer RL, Hooker JJ (1993) Vegetational change in the latest Eocene 11 of southern England. In: Paleofloristic and Paleoclimatic Changes during Cretaceous 12 and Tertiary. (eds Planderová E, Konzálová M, Kvacek Z, Sitár V, Snopková P, 13 Suballyová D) pp. 81-87. Bratislava, Konferencie Sympozia Seminare Dionyz Stur 14 Institute of Geology. 15 Collinson ME, van Bergen PF (2004) Evolution of angiosperm fruit and seed 16 dispersal biology and ecophysiology: Morphological, anatomical and chemical 17 evidence from fossils. In: The Evolution of Plant Physiology. (eds Hemsley AR, Poole 18 I) pp. 343-347. London, Elsevier Academic Press. 19 Dettmann ME, Clifford HT (2000) Monocotyledon fruits and seeds, and an associated 20 palynoflora from Eocene–Oligocene sediments of coastal central Queensland, 21 Australia. Review of Palaeobotany and Palynology, 110, 141-173. 22 Dorf E (1942) Upper Cretaceous Floras of the Rocky Mountain Region, I. 23 Stratigraphy and Palaeontology of the Fox Hills and Lower Medicine Bow 24 Formations of Southern Wyoming and Northwestern Colorado, pp. 1-78. Carnegie 25 Institute of Washington Publication, Washington, DC. 26 Grande L (1984) Paleontology of the Green River Formation, with a review of the 27 fish fauna. Bulletin of the Geological Survey of Wyoming, 63, 1-333. 28 Knobloch E, Mai DH (1986), Monographie der Früchte und Samen in der Kreide von 29 Mitteleuropa. Rozpravy ústredního ústavu geologickénho, 47, 1-219. 30 Macginitie HD (1953) Fossil Plants of the Florissant Beds, Colorado. Carnegie 31 Institution of Washington Publication, Washington, DC, 198 pp. 32 Mai DH (1997) Die oberoligozänen Floren am Nordrand der sächsischen Lausitz. 33 Palaeontographica Abteilung B, 244, 1-124. 34 Mai DH (1999) Die untermiozänen Floren aus der Spremberger Folge und dem 2. 35 Flözhorizontin der Lausitz. Teil I: Farnpflanzen, Koniferen und Monokotyledonen. 36 Palaeontographica Abteilung B, 250, 1-76. 37 Mai DH, Walther H (1991) Die oligozänen und untermiozänen Floren Nordwest- 38 Sachsens und des Bitterfelder Raumes. Abhandlungen des Staatliches Museum für 39 Mineralogie und Geologie zu Dresden, 38, 1-230. 40 Martinetto E (2001) Studies on some exotic elements of the Pliocene floras of Italy. 41 Palaeontographica Abteilung B, 259, 149-166. 42 Martinetto E, Scardia G, Varrone D (2007) Magnetobiostratigraphy of the Stura di 43 Lanzo fossil forest succession (Piedmont, Italy). Rivista Italiana Di Paleontologia E 44 Stratigrafia, 113, 109-125. 45 Pole M (2007) Monocot macrofossils from the Miocene of southern New Zealand. 46 Palaeontologia Electronica, 10, 1-21. 47 Qin F, Ferguson DK, Zetter R et al. (2011) Late Pliocene vegetation and climate of 48 Zhangcun region, Shanxi, North China. Global Change Biology, 17, 1850-1870. 49 Reid EM, Chandler ME, Groves J (1926) Catalogue of Cainozoic Plants in the 50 Department of Geology. I. The Bembridge Flor. British Museum (Natural Histroy), 51 London, 206 pp. 52 Wilson LR, Webster RM (1946) Plant Microfossils from a Fort Union Coal of 53 Montana. American Journal of Botany, 33, 271-278.