Nick Upton / Ripe sporangia of Wall screw-moss (Tortula muralis) Wiltshire, UK, April.

Guy Edwardes / Bramble leaf (Rubus fruticosus) upon star moss (Syntrichia ruralis), New Forest National Park, Hampshire, UK, October.

Chris Mattison / Wall screw-moss (Tortula muralis) growing on a limestone wall, Peak District National Park, Derbyshire, UK, February, 2008.

Chris Mattison / Wall screw-moss (Tortula muralis) on concrete post. Droplets of water on fruiting bodies. Catbrook, Monmouthshire, Wales, UK.

Chris Mattison / Great hairy screw-moss (Syntrichia ruralis var. ruralis) spore capsule, Catbrook, Monmouthshire, Wales, UK.

Nick Upton / Wall screw-moss (Tortula muralis) spore capsules developing among a moss cushion growing on an old stone wall, Wiltshire, UK, December.