Nostoc commune

**Definition:** A form species of spore-producing CYANOBACTERIA, in the family Nostocaceae, order Nostocales. It is an important source of fixed NITROGEN in nutrient-depleted soils. When wet, it appears as a jelly-like mass.

**Tree numbers:** - B03.280.575.150 - B03.440.475.100.575.150 - B03.585.750