NAME OF PLANT WHERE FOUND DATE WHERE FOUND DATE
Solidago gigantea        
early goldenrod        
Solidago virgaurea        
goldenrod        
Sonchus arvensis        
perennial sow-thistle        
Sonchus asper        
prickly sow-thistle        
Sonchus oleraceus        
smooth sow-thistle        
Sorbus aria        
whitebeam        
Sorbus acuparia        
rowan        
Sorbus torminalis        
wild service-tree        
Sparganium angustifolium        
floating bur-reed        
Sparganium emersum        
unbranched bur-reed        
Sparganium erectum        
branched bur-reed        
Spartina anglica        
common cord-grass        
Spartium junceum        
Spanish broom        
Spergula arvensis        
corn spurrey        
Spergularia marina        
lesser sea-spurrey        
Spergularia media        
greater sea-spurrey        
Spergularia rubra        
sand spurrey        
Spergularia rupicola        
rock sea-spurrey        
Spiranthes spiralis        
autumn lady's-tresses        
Spirodela polyrhiza        
greater duckweed        
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