Missing seeds froom botany list of retainer

Hi,

The other day I was checking my seeds deposit to find that I was missing wild onion set seeds. I wanted to send my retainer botanist on a venture, but I could'nt find the wild onion set in his list. This is the botany venture list level 11 through 15.

I made sure I had previously harvested this seed myself and did so again. Yet I was unable to find it in the list. The same applies to black pepper seed;. It isn't there.

For the while botany level 11-15 there are no seeds recorded on my botany retainer.

I have not yet checked the other level ranges. Is this a bug or is this the way it is intended to work?

Thank you for your help.