echinopsis hedgehog cactus, sea-urchin cactus or Easter lily cactus 2020

echinopsis hedgehog cactus, sea-urchin cactus or Easter lily cactus 2020

Echinopsis Is a large genus of cactii native to South America, sometimes known as hedgehog cactus, sea-urchin cactus or Easter lily cactus.  So many similar Echinopsis plants it is difficult to put a specific name to this one. Suggestions welcome.