Verloove, Filip. «Physalis ixocarpa Brot. ex Hornem. and Verbena litoralis Kunth, new Spanish xenophytes and records of other interesting alien vascular plants in Catalonia (Spain)». Lazaroa 24 (enero 1, 2003): 7–11. Accedido julio 23, 2026. https://revistas.ucm.es/index.php/LAZA/article/view/LAZA0303110007A.