Sisyrinchium bermudiana
Blue-eyed-grass
Sparganium angustifolium
Floating Bur-reed
Sparganium erectum
Branched Bur-reed
Sparganium natans
Least Bur-reed
Spartina anglica
Common Cord-grass
Spiranthes romanzoffiana
Irish Lady's-tresses
Spiranthes spiralis
Autumn Lady's-tresses
Spirodela polyrhiza
Greater Duckweed
Sternbergia lutea
Winter Daffodil
Stuckenia pectinata
Fennel Pondweed
Tamus communis
Black Bryony
Tofieldia pusilla
Scottish Asphodel
Trachycarpus fortunei
Chusan Palm
Trichophorum germanicum
Deergrass
Triglochin maritima
Sea Arrowgrass
Triglochin palustris
Marsh Arrowgrass
Tristagma uniflorum
Spring Starflower
Tulipa
Tulips
Tulipa sylvestris
Wild Tulip
Tulipa turkestanica
Typha angustifolia
Lesser Bulrush
Typha latifolia
Bulrush
Vallota speciosa
Scarborough Lily
Vriesea sp.