Another snapshot: not much change, except in location...
Agaricus arvensis: Hampstead Heath
Agaricus augustus: Exeter graveyard (early, but am farly sure: strong bitter almond smell)
Agaricus campestris: Devon, several locations
Agaricus xanthodermus: Devon, several locations
Grifola frondosa: Exeter, pub garden
Hypholoma fasiculare: Devon, several locations
Inocybe patouillardii: Hampstead Heath
Marasimus oreades: Various locations, London and Devon
Phallus impudicus: Bovey Woods, Devon
Pluteus cervinus: Bovey Woods, Devon
Russula aeruginea: Hampstead
Russula atropurpurea: Bovey Woods, Devon
Russula cyanoxantha: Bovey Woods, Devon
Suillus grevillei: Bovey Woods, Devon (early, but under larch!)
Xerocomus chrysenteron: Bovey Woods, Devon
Xerocomus porosporus: Bovey Woods, Devon
(Again - several species overlooked, and probably some forgotten: this is all I could spot while walking along with others not quite so interested in fungi...)