The conservation of natural seed species is a major challenge for biodiversity.
In order to swarm as much as possible, there are seed libraries.
These are boxes that are used to give seeds or to recover them.
You can sometimes also find advice for planting, conservation, uses...
Websites}} A site dedicated to the subject : http://seedlibraries.weebly.com/
Plans for laser cutting manufacture of a seed library and a bag model :