| 4912014 |
Dutch elm disease |
Ophiostoma ulmi |
|
| 4554043 |
Dutch elm disease |
Ophiostoma ulmi |
|
| 2110080 |
Dutch elm disease |
Ophiostoma ulmi |
branch symptoms |
| 2111030 |
blue stain fungi |
Ophiostoma spp. |
fruiting bodies of Ophiostoma sp. at a sample of oak wood (grey-green covers belong to Trichoderma sp.); October 1999 |
| 2111031 |
blue stain fungi |
Ophiostoma spp. |
fruiting bodies of Ophiostoma sp. at a sample of oak wood (grey-green covers belong to Trichoderma sp.); October 1999 |
| 2110077 |
Dutch elm disease |
Ophiostoma ulmi |
late-stage crown symptoms; May 1999 |
| 2110078 |
Dutch elm disease |
Ophiostoma ulmi |
dead trees with sprouts; July 1999 |
| 2110079 |
Dutch elm disease |
Ophiostoma ulmi |
branch symptoms; July 1999 |
| 2111018 |
Dutch elm disease |
Ophiostoma ulmi |
"branch symptoms (in the foreground)
and killed trees (in the background); July 1999" |
| 2111019 |
Dutch elm disease |
Ophiostoma ulmi |
vascular staining in the wood of an affected branch; 1996 |