The database entries for Papaver argemone may need tweaking, according to the Catalogue of Life, the accepted genus is now Roemeria.

Long Pricklyhead Poppy (Roemeria argemone)
The accepted scientific name is Roemeria argemone

Poppy (Roemeria minor)
The accepted scientific name is Roemeria minor

Roemeria nigrotincta
The accepted scientific name is Roemeria nigrotincta

Poppy (Roemeria davisii)
Accepted scientific name is Roemeria davisii

Poppy (Roemeria meiklei)
Accepted scientific name is Roemeria meiklei

Thanks so much for this post, Lin. I was going to tackle the "argemones" sometime today and I appreciate the links and the research.

Zuzu, you are very welcome. Thanks so much for your awesome work and dedication to keeping the NGA database updated!