| Author | Pilkington, S. |
| Year | 2011 |
| Title | Confusing urban mosses part 2: mortar-dwellers |
| Series | Beginners Corner |
| Type | Paper |
| Source | Beginners Corner FB No 105: 50-55. |
| Illustrations | Colour photographs and photomicrographs |
| Review (by Malcolm Storey) | Mosses of town walls. |
| Examine |  Compound Microscope |
| Website url | rbg-web2.rbge.org.uk/bbs/Learning/beginners_corner.htm |
