All photographs copyright © Geoff Trinder, except Autumn Lady's-tresses by Kay Heath, Bog Orchid by Kevin Wilson, and Violet helleborine and Narrow-lipped helleborine by Mike Day.
Fen orchid Liparis loeselii
Extinct. This nationally endangered orchid has only been recorded once in Lincolnshire, 'around the Lincoln area' in 1884 (Gibbons p.258). It probably became extinct soon after. Other records probably refer to Hammerbya paludosa.