A
B
Picture A shows the most common scene in heavily rained areas.
Picture B shows the zoomed in version of the little plant that grows on those bricks.
Identify the plant and its category.
Moss, Bryophyte
Moss grows in dense patches or cushions on walls in moist shady and cool places during the rainy seasons. So the little plant shown in picture B is moss also known as Funaria. It belongs to division 'Bryophyta'.