15a Inner cell walls of branch leaf hyaline cells papillose | Sphagnum papillosum | ||
15b Inner cell walls of branch leaf hyaline cells not papillose | 16 | ||
15a Inner cell walls of branch leaf hyaline cells papillose | Sphagnum papillosum | ||
15b Inner cell walls of branch leaf hyaline cells not papillose | 16 | ||