round metallic gray fiber plexus annulus filamentary root clot

background texture gray metal metallic moss root plant grass weed herb mycelium spawn hyphae fungus mushroom worm applegrub plexus tangle web interlacement tissue rete network fiber filament thread lint grain staple yarn fibrous stringy filamentary fibroid fibrillar fibred round circle ring annulus wad clot gob nugget clew roll ravel