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Substrate bagging room at a gourmet mushroom farm

Staff fill and heat-seal substrate bags at a gourmet mushroom company in the United States, with racks of bags behind them.

Media ID: MF-OPEN-GOURMET-MUSHROOM-FARM-SUBSTRATE-BAGGING-ROOM-USDA-01
Rights: LICENSED
Diagnostic status: not applicable
Record checked: 2026-09-24

Two people at a steel bench with a blue heat sealer and bags of substrate, in front of wire racks of dark bags.

Technical caption

What this shows

Filling, sealing and labelling happen on a clean bench away from fruiting rooms. The sealer closes each bag after inoculation.

Confirmation basis: Subject, location and authorship follow the Wikimedia Commons file record; the image was inspected before publication and no production claim is inferred.

Evidence limit

What this does not prove

This is a real, open-licensed contextual image. It does not establish this platform's farm, operating setpoint, construction specification, diagnosis, yield or commercial result.

Public provenance

Traceable without exposing private metadata.

Source class: EXTERNAL OPEN MEDIA
Owner: U.S. Department of Agriculture / Wikimedia Commons
Usage: Public domain; derivative resized and converted to WebP without substantive visual alteration.
Consent: not_required
People visible: Yes
ML training: Not allowed
Source record: Open source page
Licence: Public domain