I suggest the band Krokodil for addition.
It is essentially a Swiss band, but there was one Englishman in it - Terry Stevens. The others were Swiss German.
They are often referred to as Krautrock, but psychedelic suits them as well.
Discography:
Krokodil
LP Liberty LBS 83306 (1969)
CD Second Battle, Germany, SB 052 (1998)
Swamp
LP Liberty LBS 83417 (1970)
CD Second Battle, Germany, SB 053 (1999)
An Invisible World Revealed
LP United Artists UAS 29250 (1971)
LP Gold 11160 (Switzerland, 1982)
CD Second Battle, Germany, SB 054 (1999)
Getting Up For The Morning
LP Bacillus BLPS 19017 (1972)
CD Bellaphon, Germany, 288-09-107
Sweat & Swim (1973)
2LP Bacillus BDA 7502Q (1973)
CD Bellaphon, Germany, 288-09-115
Krokodil (1977 re-recordings?)
CD Bellaphon, Germany, 288-09-122
Lineup:
Hardy Hepp (violin, piano, vocals)
Düde Dürst (drums, percussion, vocals)
Walty Anselmo (sitar, lead guitar, vocals)
Terry Stevens (bass, guitar, vocals)
Mojo Weideli (harmonica, flute, percussion)
Good source (
Taken from: “The Crack in the Cosmic Egg”, Steven Freeman, Alan Freeman. ISBN: 0-95295-06-0-X, Leicester 1997) :