ice crystals on leaf litter, winter season nature patterns

abstract background brushwood bush chill closeup coating cold cover covered covers crust crusted crystalline crystallized crystals december detail floor forest freeze frost frosted frostiness frosty frozen german green ground hoar hoarfrost ice icily icy january layer leaf leaves litter natural nature pattern period rime season seasonal shrub shrubbery shrubs snow snowmelt snowy structure structures texture thawing vegetation white winter wintertime crisp patterns textures twigs