Memnoniella echinata in Michigan homes
Stachybotrys' close relative on the same wet cellulose
What this species signals about a building
Memnoniella occupies the same ecological niche as Stachybotrys — sustained saturation of cellulose — and the two are frequently found together. Its detection carries the same forensic weight: a long-duration water event in cellulose materials.
Where Michigan buildings feed it
Humid continental moderated by the Great Lakes with heavy snow belts. Basement-dominant stock; ice-dam ceiling and wall damage plus spring basement seepage lead the casework.
Read those two paragraphs together and the assessment map draws itself: this organism grows where its moisture requirement is met, and Michigan's climate and housing stock determine where that requirement gets met most often. That intersection — not a generic national checklist — is where instruments should go first.
What remediation requires
Identical playbook to Stachybotrys: containment, removal of affected cellulose materials, correction of the long-running moisture source, fine-particle cleaning, and independent verification.
Dark olive-black growth closely resembling Stachybotrys, distinguished microscopically by spores in chains.
- Ice damming and snowmelt
- Basement seepage
- Lake-effect moisture loads
Michigan questions
Where does Memnoniella echinata typically show up in Michigan homes?
The organism's requirements don't change by state — it grows where its moisture threshold is met. What changes is where Michigan buildings meet that threshold: ice damming and snowmelt Combined with the local housing stock (basement-dominant stock; ice-dam ceiling and wall damage plus spring basement seepage lead the casework), that's where an assessment should look first.
Does finding Memnoniella echinata mean something different in MI?
Treated by many practitioners with the same seriousness as Stachybotrys given the shared habitat and related metabolite concerns. In dust results it belongs to the same remediate-and-verify tier. In Michigan, weigh that signal against the state's dominant moisture drivers — the species tells you about the water, and the local climate tells you where that water most likely came from.
Who handles Memnoniella echinata contamination in Michigan?
Remediation requirements are set by the contamination, not the species name: identical playbook to stachybotrys: containment, removal of affected cellulose materials, correction of the long-running moisture source, fine-particle cleaning, and independent verification. We match Michigan households with providers vetted on containment discipline, fine-particle competence, and independent verification — matching is free for households.
FULL SPECIES FILE → Memnoniella echinata · DUST TESTING IN MI → ERMI & HERTSMI-2 in Michigan
THIS SPECIES IN OTHER PRIORITY MARKETS → California · Colorado · Florida · Nevada · Texas
NEXT SPECIES IN MI → Stachybotrys chartarum in Michigan