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Scientific name English name Authority Reco
rds
First Last Nat. Status Axios Notes
Rumex x hybridus R. longifolius x
obtusifolius
Kindb. 7 2008 2008
Rumex x pratensis R. crispus x obtusifolius Mert. & Koch 28 1866 2008
Rumex x propinquus R. crispus x longifolius Aresch. 1 2008 2008
Ruppia cirrhosa Spiral Tasselweed (Petagna) Grande 1 1917 1917 Near Threatened Extinct
Ruppia maritima Beaked Tasselweed L. 18 1794 2009
Ruscus aculeatus Butcher's-broom Linnaeus 7 1867 1993
Sagina apetala Annual Pearlwort Ard. 46 1969 2010
Sagina apetala ssp. apetala Annual Pearlwort 3 1973 2006
Sagina apetala ssp. erecta Upright Pearlwort 27 1805 2006
Sagina maritima Sea Pearlwort G.Don 15 1810 1997
Sagina nodosa Knotted Pearlwort (Linnaeus) Fenzl 142 1867 2010
Sagina procumbens Procumbent Pearlwort Linnaeus 822 1957 2011
Sagina subulata Heath Pearlwort (Sw.) C.Presl 4 1950 2006
Sagittaria sagittifolia Arrowhead Linnaeus 7 1794 2010
Salicornia agg. Glasswort 5 1939 2005 Saltmarsh
Salicornia dolichostachya Long-spiked Glasswort Moss 19 1939 2011 Saltmarsh
Salicornia europaea Common Glasswort Linnaeus 13 1990 2010 Saltmarsh
Salicornia europaea agg. Glasswort Linnaeus 6 1939 2011 Saltmarsh
Salicornia fragilis Yellow Glasswort P.Ball & Tutin 2 2009 2011 Nationally Scarce Saltmarsh
Salicornia ramosissima Purple Glasswort J.Woods 15 1939 2011 Saltmarsh
Salix alba White Willow Linnaeus 309 1965 2011
Salix alba var. vitellina 9 1805 2011
Salix aurita Eared Willow Linnaeus 334 1867 2011
Salix babylonica Weeping Willow Linnaeus 9 2004 2011
Salix caprea Goat Willow L. 1728 1919 2011
Salix caprea ssp. caprea Goat Willow 39 1976 2010
Salix caprea ssp. sphacelata 5 1996 2010 Nationally Scarce
Salix caprea x phylicifolia 1 1995 1995
Salix cinerea Grey Willow Linnaeus 440 1952 2011
Salix cinerea ssp. cinerea Grey Willow 4 1949 2006
Salix cinerea ssp. oleifolia Rusty Willow Macreight 896 1951 2011
Salix cinerea x myrsinifolia 1 1992 1992