As were tigers p .menchacai and and originally described from Argentina and very comparable to falkneri ,this is where the myth of the falkneri being very similar to or the third ray in the tiger flower group.
Scroederi were classified in 1957 as a very variable ray . All that link is on roggen forum is a collaboration of photos . Schroederi are discribed being very similar to p humerosa or p dumerilli ??
