What are structures similar to root hairs found in nonvascular plants called?

In nonvascular plants, particularly those like mosses and liverworts, structures similar to root hairs that help anchor the plant to the substrate and absorb water and nutrients are called rhizoids. These structures are typically unicellular or multicellular filaments that extend into the ground, providing a means for the plant to stay anchored while also facilitating the uptake of moisture and minerals from the environment. Unlike true roots found in vascular plants, rhizoids do not have specialized tissues for water and nutrient transport. This distinction highlights the different adaptations nonvascular plants have evolved to thrive in their habitats.