* Red Alert species: Species not yet established in Maryland but considered to be of high risk.
Key Code	Scientific Name	Common Name	Details
2	Cryphonectria parasitica	Chestnut Blight
1, 3	* Plum Pox Potyvirus, D Strain	Plum Pox
2	* Beech Bark Disease Complex
1	* Phytophthora spp.	Sudden Oak Death
1, 3	Puccinia hemerocallidis	Daylily Rust
3	* Ralstonia solanacearum r3b2	Southern Bacterial Wilt
1, 3	* Phakopsora spp.	Soybean Rust