Extraradical hyphae

These are the hyphae that live outside of the roots, branching in a dichotomous manner.

Characteristics

*Thick and wavy
*Fusion] between strands has been observed
*Don't usually differentiate into rhizomorphs (multi-hyphal strands)
*Exist at a density of 1-25 meters per gram of soil

References

*C.J. Alexopolous, Charles W. Mims, M. Blackwell et al., "Introductory Mycology, 4^th ed." (John Wiley and Sons, Hoboken NJ, 2004) ISBN 0-471-52229-5