All ships of the Tree class:

Royal Navy (more on Royal Navy)

HMS Acacia (T 02)
HMS Bay (T 77)
HMS Birch (T 93)
HMS Blackthorn (T 100)
HMS Deodar (T 124)
HMS Elm (T 105)
HMS Fir (T 129)
HMS Hazel (T 108)
HMS Mangrove (T 112)
HMS Olive (T 126)
HMS Rowan (T 119)
HMS Walnut (T 103)
HMS Whitethorn (T 127)
HMS Wistaria (T 113)
HMS Almond (T 14) (lost 2 Feb 1941)
HMS Ash (T 39) (lost 5 Jun 1941)
HMS Chestnut (T 110) (lost 30 Nov 1940)
HMS Hickory (T 116) (lost 22 Oct 1940)
HMS Juniper (T 123) (lost 8 Jun 1940)
HMS Pine (T 101) (lost 31 Jan 1944)

6 MS Trawlerss of the Tree class lost.