The table below is not intended to be a comprehensive list of all invasive species in Maryland, but includes species of concern to the Maryland Invasive Species Council (MISC). This list includes all updates approved as of the April 18, 2024 MISC meeting.
| Scientific Name | Common Name | Taxa | Type | Habitat | Regulated in Mid-Atlantic / US |
|---|---|---|---|---|---|
| Acidovorax avenae ssp. citrulli | Bacterial fruit blotch | Plant Pathogen | Bacterium | Terrestrial | N/A |
| Anguillicola crassus | Parasitic nematode of eels | Animal Pathogen | Nematode | Aquatic | N/A |
| Batrachochytrium dendrobatidis | Amphibian disease chytridiomycosis | Animal Pathogen | Fungus | Aquatic | N/A |
| Batrachochytrium salamandrivorans | Salamander chytrid disease | Animal Pathogen | Fungus | Aquatic | N/A |
| Calonectria pseudonaviculata | Boxwood blight | Plant Pathogen | Fungus | Terrestrial | MD, PA, USDA |
| Ceratocystis fagacearum | Oak wilt | Plant Pathogen | Fungus | Terrestrial | USDA |
| Cronartium ribicola | White pine blister rust | Plant Pathogen | Fungus | Terrestrial | DE,NJ, VA, WV, USDA |
| Cryphonectria parasitica | Chestnut blight or canker | Plant Pathogen | Fungus | Terrestrial | N/A |
| Discula destructiva | Dogwood anthracnose | Plant Pathogen | Fungus | Terrestrial | USDA |
| Geosmithia morbida | Thousand cankers disease | Plant Pathogen | Fungus | Terrestrial | PA, VA, WV, USDA |
| Globodera pallida | White potato cyst nematode | Plant Pathogen | Nematode | Terrestrial | USDA |
| Globodera rostochiensis | Potato cyst nematode | Plant Pathogen | Nematode | Terrestrial | NJ, USDA |
| Haplosporidium nelsoni | MSX of oysters | Animal Pathogen | Protozoan | Aquatic | N/A |
| Heterodera glycines | Soybean cyst nematode | Plant Pathogen | Nematode | Terrestrial | USDA |
| Heterodera zeae | Corn cyst nematode | Plant Pathogen | Nematode | Terrestrial | USDA |
| Litylenchus crenatae ssp. mccannii | Beech leaf disease | Plant Pathogen | Nematode | Terrestrial | N/A |
| Meloidogyne chitwoodi | Columbia root-knot nematode | Plant Pathogen | Nematode | Terrestrial | N/A |
| Meloidogyne enterolobii | Guava root-knot nematode | Plant Pathogen | Nematode | Terrestrial | N/A |
| Meloidogyne hapla | Northern root-knot nematode | Plant Pathogen | Nematode | Terrestrial | N/A |
| Meloidogyne incognita | Southern root-knot nematode | Plant Pathogen | Nematode | Terrestrial | N/A |
| Meloidogyne minor | Root-knot nematode | Plant Pathogen | Nematode | Terrestrial | N/A |
| Myxobolus cerebralis | Whirling disease | Animal Pathogen | Cnidaria | Aquatic | N/A |
| Neonectria ditissima | Beech bark disease | Plant Pathogen | Fungus | Terrestrial | USDA |
| Neonectria faginata | Neonectria canker | Plant Pathogen | Fungus | Terrestrial | USDA |
| Novirhabdovirus spp. | Infectious haematopeietic necrosis virus, viral hemorrhagic septicemia (VHS) | Animal Pathogen | Virus | Aquatic | N/A |
| Ophiostoma novo-ulmi | Dutch elm disease (Novi-ulmi) | Plant Pathogen | Fungus | Terrestrial | N/A |
| Ophiostoma ulmi | Dutch elm disease | Plant Pathogen | Fungus | Terrestrial | N/A |
| Perkinsus marinus | Dermo disease | Animal Pathogen | Protozoan | Aquatic | N/A |
| Phakopsora pachyrhizi | Soybean rust | Plant Pathogen | Fungus | Terrestrial | USDA |
| Phytophthora alni | Phytophthora disease of alders | Plant Pathogen | Fungus | Terrestrial | USDA |
| Phytophthora lateralis | Phytophthora root disease of Port Orford cedar | Plant Pathogen | Fungus | Terrestrial | USDA |
| Phytophthora ramorum | Sudden oak death | Plant Pathogen | Fungus | Terrestrial | USDA |
| Pseudogymnoascus destructans | White-nose syndrome | Animal Pathogen | Fungus | Terrestrial | N/A |
| Puccinia hemerocallidis | Daylily rust | Plant Pathogen | Fungus | Terrestrial | USDA |
| Puccinia horiana | Chrysanthemum white rust | Plant Pathogen | Fungus | Terrestrial | USDA |
| Raffaelea lauricola | Laurel wilt | Plant Pathogen | Fungus | Terrestrial | N/A |
| Ralstonia solanacearum Race 3 Biovar 2 | Potato brown wilt | Plant Pathogen | Bacterium | Terrestrial | USDA |
| Ranavirus spp. | Amphibian ranaviruses | Animal Pathogen | Virus | Aquatic | N/A |
| Rhizobium radiobacter | Crown gall | Plant Pathogen | Bacterium | Terrestrial | N/A |
| Rhizoctonia theobromae | Vascular streak dieback of cacao | Plant Pathogen | Fungus | Terrestrial | N/A |
| Sirococcus clavigignenti-juglandacearum | Butternut canker | Plant Pathogen | Fungus | Terrestrial | USDA |
| Spiroplasma kunkelii | Corn stunt | Plant Pathogen | Bacterium | Terrestrial | N/A |
| Xanthomonas campestris | Bacterial streak, black rot, and blight | Plant Pathogen | Bacterium | Terrestrial | USDA |
| Xylella fastidiosa | Bacterial leaf scorch | Plant Pathogen | Bacterium | Terrestrial | USDA |
| Carlavirus BlScV | Blueberry scorch virus (BLSV) | Plant Pathogen | Virus | Terrestrial | N/A |
| Emaravirus RRD | Rose rosette disease (RRD) | Plant Pathogen | Virus | Terrestrial | N/A |
| Ilarvirus BlShV | Blueberry shock virus | Plant Pathogen | Virus | Terrestrial | N/A |
| Phytoplasma MLO | X-disease | Plant Pathogen | Bacterium | Terrestrial | N/A |
| Potyvirus PPV | Plum pox virus (PPV) | Plant Pathogen | Virus | Terrestrial | USDA |
| Tobamovirus TMV | Tobacco mosaic virus (TMV) | Plant Pathogen | Virus | Terrestrial | N/A |
| Tospovirus TSWV | Tomato spotted wilt virus (TSWV) | Plant Pathogen | Virus | Terrestrial | N/A |
| Transmissible spongiform encephalopathy (TSE) agents | Chronic wasting disease | Animal Pathogen | Prion | Terrestrial | N/A |