| Author | Waterhouse, G.M. & Blackwell, E.M. |
| Year | 1954 |
| Title | Key to the Species of Phytophthora recorded from the British Isles |
| Series | Mycological Papers |
| Type | Book/Report |
| Source | Mycological Papers, 57, 9pp, Commonwealth Mycological Institute |
| Illustrations | None |
| Examine |  Compound Microscope |
| Specimen Preparation | Needs special culturing to obtain both sporangia and sex organs. |
| Identification difficulty | Serious stuff! |
