Echinopsis pachanoi (Britton et Rose) Friedrich et Rowley . Botaanika terminibaas. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//bot/Echinopsis%20pachanoi%20%28Britton%20et%20Rose%29%20Friedrich%20et%20Rowley/1/lat (06.10.2026)
