Mycelial cords are linear aggregations of parallel-oriented hyphae. The mature cords are composed of wide, empty vessel hyphae surrounded by narrower sheathing hyphae. Cords may look similar to plant
Mycelial cords found under a rotting log
Armillaria cords
Aerial rhizomorphs of Brunneocorticium corynecarpon
A hypha is a long, branching, filamentous structure of a fungus, oomycete, or actinobacterium. In most fungi, hyphae are the main mode of vegetative growth, and are collectively called a mycelium.
Mycelial cord
…Mycelial cords are linear aggregations of parallel-oriented hyphae. The mature cords are composed of wide, empty vessel hyphae surrounded by narrower sheathing hyphae. Cords may look similar to plant roots, and also…
Hyphae of Penicillium
Hyphae growing on tomato sauce (the pale oblong objects to the side are rice grains)