For “Out-of-taxon suggestions from visually-similar search with taxonomic restriction” see: https://forum.inaturalist.org/t/out-of-taxon-suggestions-from-visually-similar-search-with-taxonomic-restriction/7858/
“Filtering by both “Visually similar” and genus leads to odd results” also arose at: https://forum.inaturalist.org/t/filtering-by-both-visually-similar-and-genus-leads-to-odd-results/8295