The Brookland sequence was originally published by Long and Innes (1995). We thank Jim Innes and Antony Long for letting us reuse the data.

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2 Disentangling the pollen signal from fen systems: modern and Holocene studies from southern and eastern England. By Martyn Waller, Fabio Carvalho, Michael J. Grant, M. Jane Bunting and Kerry Brown. Supplementary information: Fossil pollen diagrams for the sites from Romney Marsh and Fenland used in the. Only data from the samples between the numbered LPAZs lines were used. All taxa occurring at >2% TLP (or TLP+group) and the fen taxa included in the of the modern data are (where recorded) are shown. The pollen sums used follow the original publications and are for trees, shrubs, climbers and herbs, % TLP; Aquatics, %TLP+Aquatics; Pteridophytes, %TLP+Pteridophytes; Bryophytes, % TLP+Bryophytes. The pollen types follow Bennett ( ) and where necessary have been adjusted to conform to this scheme. The large Poaceae grains were originally classified following Andersen (1979) into Hordeum and Avena-Triticum groups. No Avena-Triticum group pollen was recorded in any of these sequences. For the, the Hordeum group were reclassified as see text in paper and Waller and Grant (12). Lithology: peat is shaded, clastic sediments clays, clayey-silts, silty marls are white. The Brookland sequence was originally published by Long and Innes (1995). We thank Jim Innes and Antony Long for letting us reuse the data. The full diagrams can be found in Waller (1994) and Waller et al (1999). The Fenland volume (Waller 1994) is freely available online as a PDF from or from the author (m.waller@kingston.ac.uk). References Andersen, S.T., Identification of wild grass and cereal pollen. Dan. Geol. Unders. Årbog 1978, Bennett, K.D., Catalogue of pollen types. (Accessed: 21 August 14). Long, A. J., Innes, J. B., The back-barrier and barrier depositional history of Romney Marsh, Walland Marsh and the Dungeness foreland, Kent, England. J. Quat. Sci. 10, Waller, M.P., The Fenland Project, Number 9: Flandrian environmental change in Fenland. East Anglian Archaeology Monograph No pages. Waller, M.P., Grant, M.J., 12. Holocene pollen assemblages from coastal wetlands: differentiating natural and anthropogenic causes of change in the Thames estuary, UK. J. Quat. Sci. 27,

3 Waller, M.P., Long, A.J., Long, D., Innes, J.B., Patterns and processes in the development of coastal mire vegetation: Multi-site investigations from Walland Marsh, Southeast England. Quat. Sci. Rev. 18,

4 ROMNEY MARSH THE DOWELLS Depth cm below ground surface 90 Ulmus Tilia Sorbus-type Rhamnus catharticus Lonicera periclymenum Myrica gale Rumex obtusifolius-type Lysimachia vulgaris-type Rubus Potentilla-type Fabaceae undiff. Hydrocotyle vulgaris Solanum dulcamara Mentha-type Cirsium-type Cyperaceae Poaceae Potamogeton natans-type Osmunda regalis Thelypteris palustris LPAZs USED FOR DOW DOW DOW

5 HOPE FARM Depth cm below ground surface Tilia Sorbus-type Rhamnus catharticus Lonicera periclymenum Myrica gale Rumex acetosella/acetosa Rumex obtusifolius-type Hypercium perforatum-type Lysimachia vulgaris-type Rubus Potentilla-type Lotus Fabaceae undiff. Hydrocotyle vulgaris Solanum dulcamara Myosotis arvensis-type Mentha-type Plantago maritima Cirsium-type Achillea-type Cyperaceae Poaceae Potamogeton natans-type Typha latifolia Equisetum Osmunda regalis Thelypteris palustris LPAZs USED FOR HF-7 0 HF HF HF HF

6 BROOKLAND Depth cm below ground surfacce Tilia Rhamnus catharticus Lonicera periclymenum Myrica gale Rumex obtusifolius-type Lysimachia vulgaris-type Potentilla-type Lotus Hydrocotyle vulgaris Mentha-type Lamiaceae undiff. Plantago maritima Cirsium-type Soldago virgaurea-type Cyperaceae Poaceae Potamogeton natans-type Typha latifolia Equisetum Osmunda regalis Polypodium Bryophytes LPAZs USED IN BR BR

7 FENLAND REDMERE Depth cm below OD Ulmus Fagus Tilia Fraxinus Sorbus-type Humulus lupulus Lysimachia vulgaris-type Rubus undiff. Lotus Vicia cracca Fabaceae undiff. Lamiaceae undiff. Mentha-type Cirsium-type Centaurea nigra Lactuceae Anthemis-type Artemisia Cyperaceae Poaceae Nymphaea Equisetum LPAZs USED IN RM-4a RM-3 RM

8 WELNEY WASHES 3 rd PEAT Depth cm below ground surface Ulmus Tilia cordata Sorbus-type Rumex acetosa Lysimachia vulgaris Rubus undiff. Lotus Solanum dulcamara Mentha-type Lamiaceae undiff. Achillea-type Cyperaceae undiff. Poaceae undiff. Potamogeton Typha latifolia Equisetum Pteropsida (monolete) undiff. LPAZs USED FOR WW WW WW

9 MURROW Depth cm below OD Ulmus Sorbus-type Rhamnus cathartica Myrica gale Lonicera periclymenum Humulus lupulus Spergula-type Lysimachia vulgaris-type Potentilla-type Lotus Geranium Hydrocotyle vulgaris Cirsium-type Cyperaceae undiff. Poaceae undiff. Potamogeton natans-type Bryophytes LPAZ's USED IN MU MU

10 MEADOWGATE LANE Depth cm below ground surface Lysimachia vulgaris-type Rubus undiff. Fabaceae undiff. Cirsium-type Artemisia-type Cyperaceae undiff. Poaceae undiff. LPAZ USED IN MGL

11 SWINESHEAD Depth below ground surface Ulmus Humulus lupulus Hypericum perforatum-type Chrysosplenium Vicia cracca Fabaceae undiff. Lamiaceae undiff. Plantago undiff. Scrophularia-type Lactuceae. Artemisia-type Cyperaceae undiff. Poaceae undiff. LPAZ USED IN SH

12 WELNEY WASHES 4 th PEAT Depth cm below ground surface 80 Sorbus-type Rhamnus carthartica Cannabis sativa Lysimachia vulgaris Rubus undiff. Potentilla-type Lotus Fabaceae undiff. Geranium Hydrocotyle vulgaris Solanum dulcamara Lamiaceae undiff. Solidago virgurea-type Lactuceae Achillea-type Cyperaceae undiff. Poaceae undiff. Myriophyllum verticillatum Typha angustifolia Equisetum Pteropsida (monolete) undiff. LPAZs USED IN WW WW