Didymodon - Species Dictionary - UK and Ireland : iSpot Nature - Your place to share nature. iSpot is a website aimed at helping anyone identify anything in nature. Once you've registered, you can add an observation to the website and suggest an identification yourself or see if anyone else can identify it for you.

Natural History Museum's UK Species Inventory
Plantae, Viridiplantae, Bryophyta, Bryopsida, Pottiales, Pottiaceae, Didymodon
Didymodon acutus, Didymodon cordatus, Didymodon ferrugineus, Didymodon glaucus, Didymodon insulanus, Didymodon luridus, Didymodon mamillosus, Didymodon maximus, Didymodon nicholsonii, Didymodon sinuosus, Didymodon spadiceus, Didymodon tophaceus, Didymodon fallax, Didymodon icmadophilus, Didymodon rigidulus, Didymodon tomaculosus, Didymodon umbrosus, Didymodon vinealis