Tortula - 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, Tortula
Tortula canescens, Tortula muralis, Tortula solmsii, Tortula subulata, Tortula atrovirens, Tortula lanceola, Tortula modica, Tortula protobryoides, Tortula truncata, Tortula viridifolia, Tortula cernua, Tortula cuneifolia, Tortula freibergii, Tortula leucostoma, Tortula marginata, Tortula vahliana, Tortula wilsonii, Tortula schimperi, Tortula inermis