Table 1 Historical datasets that were included in the present dataset. The shaded references at the bottom are those that only have a few plots that were used. Publication/datasetAreaCommentsNo. of plotsFurness (1981)Pongola floodplainVegetation plots 10 × 10 m26Fuls, Bredenkamp & Van Rooyen (1992)Pans of Northwestern Free StateNo coordinates, poor environmental data4Fuls (1993)Grasslands Northern Free StateVegetation plots of 10 × 10 m43Bloem, Theron & Van Rooyen (1993)Verlorenvlei, MpumalangaVegetation plots of 10 × 10 m13Coetzee, Bredenkamp & Van Rooyen (1993)Belfast- Wakkerstroom- Barberton- Piet RetiefNo exact coordinates available, unpublished18Eckhardt, Van Rooyen & Bredenkamp (1993a,b)Wetlands Northeastern Free StateVegetation plots of 10 × 10 m28Coetzee, Bredenkamp & Van Rooyen (1994)Wetlands of Heidelberg, Witbank, Pretoria areaVegetation plots 10 × 10 m30Guthrie (1996)Hlatikhulu, Mooi River, NtabamhlopheThree large wetlands, cover values not in same format123Eckhardt, Van Rooyen & Bredenkamp (1996)Wetlands of Northwestern KwaZulu-NatalVegetation plots of 10 × 10 m78De Frey (1996)South-eastern MpumalangaVegetation plots 10 × 10 m46Smit, Bredenkamp, Van Rooyen, van Wyk & Crombrinck (1997)Witbank Nature reserveVery small amount of wetland plots, mostly terrestrial vegetation4Cilliers, Schoeman & Bredenkamp (1998)Urban wetlands in PotchefstroomThree wetlands in detail41Perkins, Bredenkamp & Granger (2000)Southern KwaZulu-NatalVegetation plots of 10 × 10 m146Burgoyne, Bredenkamp & Van Rooyen (2000)Northeastern MpumalangaVegetation plots large, 20 × 10 m, heterogeneous23Taylor (2000)Mdlanzi Pan, ZululandPlots on transects, no wetness data6Neal (2001)Mkhuze floodplainsPlots on transects, no wetness data12Goge (2002)Eastern shores Lake St. LuciaPoor IDs in Swamp Forest5Venter (2002)Mfabeni Swamp, Eastern shoresOne large wetland sampled6Siebert, Van Wyk, Bredenkamp & Du Plessis (2002)SekhukhunelandNo coordinates, plots large 20 × 10 m, heterogeneous12Kotze and O'Connor (2000)Middelvlei Wetland, StellenboschPlots of only 1 × 1 m4Venter, Bredenkamp, and Grundling (2003)Rietvlei in GautengMany plots in pioneer stage after disturbance10Malan (2003)Cookes Lake recreational area, MmabathoOne urban wetland, largely disturbed16Janecke, DuPreez & Venter (2003)Soetdoring Nature ReserveTwo wetlands9Cilliers & Bredenkamp (2003)Pans in Northwest ProvinceFour large pans, many plots with very poor cover6Cleaver, Brown & Bredenkamp (2004)Kamanassie MountainsMaybe not all clear wetlands, small springs, plot size variable4Sieben, Ellery, Garden & Grenfell (2006)Wetlands South of Richards BayUnpublished consultancy5Sieben, Kotze & Morris (2010)Maloti-Drakensberg Transfrontier Park147Van Aardt (2010)Vet RiverNo coordinates, poor environmental data19Collins (2011)Free State pans and Valley bottomsSoil data and many other variables available134Corry (2011)Western Cape lowlandsSoil data and many other variables available for most plots77Pretorius (2011)Wetlands Northern MaputalandResults not yet published and soil data not yet available12Cowden, Kotze, Ellery & Sieben (2014)Rehabilitated wetlands in KwaZulu-NatalMany disturbed sites35Boucher (1987)West Coast3Schoultz (2000)Mkhuze Swamps1Grobler (2009)Swamp Forest Kosi Bay2

Published as part of Sieben, E. J. J., Collins, N. B., Kotze, D. C., Mofutsanyana, S. S. & Janks, M., 2017, Temperate grassy wetlands of South Africa: Description, classification and explanatory environmental factors, pp. 69 in South African Journal of Botany 113 (10) on page 69, DOI: 10.1016/j.sajb.2017.07.009, http://zenodo.org/record/14036637