What does Mert stand for?

Mertens - Botanist in plant scientific name (HUH)

Merten's Law of Federal Income Taxation - A publication (DLA)

Merton College, Oxford (SAUO)

Maintenance Engineering Review Team - Navy (NG)

Merit Tank & Body - NCIC trailer make code

Merton College - Oxford University (ROG)

Milwaukee Electric Railway & Transport Co. - AAR code

Modified Effective-Range Theory (PDAA)