OP rugosa ‘Alba’ & BDdC

Can anyone help me with these rugosa OP’s? I’ve never grown rugosa from seed, so have no frame of reference. I searched this forum up and down, and couldn’t find much in the way of photos, certainly not ones at this emergent-stage. I would assume that selfs of rugosa ‘Alba’ would show little or no anthocyanins, but again, no reference.
For specific context of these seeds, the hips from rugosa ‘Alba’ were collected from a large plant growing outside a local steakhouse. (I also liberated a well-rooted sucker.) The beds nearby in the parking lot surrounding were filled with various landscaping-roses of the Meidiland/Noack/Kordes “groundcover”-types. The seed from ‘Blanc Double de Coubert’ came from plant I put in at my ex-MIL’s house, with only four ‘Gourmet Popcorn’ close by.
Please, share pictures of YOUR white rugosa seedlings, so I can educate myself on what I’m looking at as they grow. Thanks.
Dusty

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Hi @VanIsleDWSmith
I came across the following gallery a while ago, it might give you some comparison material.
No idea who put the pictures up, but it’s a nice collection of pics of various rugosa seedlings in the early stages of growth:
https://commons.m.wikimedia.org/wiki/Category:Rosa_rugosa_(seedlings)

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Thanks for that, SR! They sure do look like mine, for sure. I wish that there were pics of rugosa ‘Alba’ seedlings included in the series. Perhaps the alba-alleles are over-written back to wild-type, and this showing pigments. Hard to say for certain without some kind of comparison.
Regardless, I’m pretty excited. I shan’t be expecting juvenile-bloom, but I am sure I’ll keep at least a handful of the more interesting of them that show some hybridity.