NARMS (2021).
Parorchis acanthus (Nicoll, 1906) Nicoll, 1907. Accessed at: http://vliz.be/vmdcdata/narms/narms.php?p=taxdetails&id=158687 on 2024-07-02
NARMS (2024).
Parorchis acanthus (Nicoll, 1906) Nicoll, 1907. Accessed at: https://www.vliz.be/vmdcdata/narms/narms.php?p=taxdetails&id=158687 on 2024-07-02