41. Within the tube layers, mycelium crowd the space. 42. It produces yellow-pigmented hyphae and microsclerotia, while producing resting mycelium . 43. If so, you have seen the mushroom plant, also known as mycelium . 44. These monomers are then absorbed into the mycelium by facilitated diffusion and active transport. 45. Thalli are coenocytic and usually form no true mycelium ( having rhizoids instead ). 46. Lipid biosynthesis also occurs in the intraradical mycelium . 47. As the hyphae germinate they will eventually form a large mass known as mycelium . 48. Additionally, reproduction and propagation can still occur by propagation of the parent mycelium . 49. This fungus grows as a mycelium within the wood of living and dead trees. 50. Instead bacteria are found on the external mycelium .