grey-cushioned grimmia or pulvinate dry rock moss grimmia pulvinata, green moss with young sporophytes on stones in spring

bryophyta bryopsida closeup dicranidae dicranum scoparium greycushioned grimmia pulvinata pulvinate grimmiaceae moss mossy nature plant pleurozium schreberi ptychomitriaceae dry rock seligeriaceae bryales bryaceae green stone nonvascular bryophyte macro ecology damp moist lush vibrant groundcover carpet soft spongy botanical flora photosynthesis chlorophyll terrestrial ecosystem biodiversity