biology bryophyte cell dawn liverwort magnification microscope moss plant protonema protonemata spore brown flower green leaf leaves orange pollen pretty spots trees wild woods branch climb climber cover feed grow growth ivy large life living network root Roots sap stem stone trunk wall Asparagus dense garden Liliaceae Terrestrial plant vegetable Australia desert natural nature red sand sere xerophyte background plants rosettes succulent texture bush cotton fiber shrub soft