Leucobryum glaucum is a land plant. It has rhizoids, which are root-like structures that anchor it to the soil; however, water and nutrients move through the plant only by osmosis and diffusion. Which type of plant is Leucobryum glaucum?
 A. 
 angiosperm
 B. 
 bryophyte
 C. 
 pterophyte
 D. 
 gymnosperm