Nucleotide Sequences
| verrucaria ditmarsica | United Kingdom: Wales, V.C. 45, Pembrokeshire, near Haverfordwest, St Brides, national grid 12/799.100, on sandstone rocks on sea shore | 238058316 | ||
| verrucaria ditmarsica | United Kingdom: Wales, V.C. 35, Monmouthshire, Chepstow, Pierce Wood, River Wye, national grid 31/537.962, alt. 10 m, on lightly shaded limestone rocks by estuary | 238058317 |