Arabis caucasica
Garden Arabis
Asplenium ruta-muraria
Wall-rue
Asplenium trichomanes
Maidenhair Spleenwort
Campanula portenschlagiana
Adria Bellflower
Campanula poscharskyana
Trailing Bellflower
Centranthus ruber
Red Valerian
Cerastium glomeratum
Sticky Mouse-ear
Cymbalaria muralis
Ivy-leaved Toadflax
Erigeron karvinskianus
Mexican Fleabane
Erigeron sumatrensis
Guernsey Fleabane
Geranium robertianum
Herb-Robert
Linaria purpurea
Purple Toadflax
Lobularia maritima
Sweet Alison
Mycelis muralis
Wall Lettuce
Parietaria judaica
Pellitory-of-the-wall
Pseudofumaria lutea
Yellow Corydalis
Taraxacum agg.
Dandelion