Table 1.
Harmful and potentially toxic marine HAB species observed along the East, Gulf, and West Coasts of the United States. E=East, G=Gulf, W=West
| Diatoms | Dinophysis acuminata | E,G,W | Ostreopsis siamensis | G | |
| Chaetoceros concavicornis | E,G,W | Dinophysis acuta | E,G,W | Pfiesteria piscicida | E,G |
| Chaetoceros convolutus | E,G,W | Dinophysis caudata | E,G | Phalacroma mitra | G |
| Halamphora coffeaeformis | E,G,W | Dinophysis fortii | E,G,W | Phalacroma rotundatum | E,G,W |
| Pseudo-nitzschia australis | G,W | Dinophysis mitra | G | Pheopolykrikos hartmannii | E,G |
| Pseudo-nitzschia calliantha | E,G,W | Dinophysis norvegica | E,G,W | Prorocentrum belizeanum | G |
| Pseudo-nitzschia cuspidata | E,G,W | Dinophysis ovum | E,G | Prorocentrum borbonicum | G |
| Pseudo-nitzschia delicatissima | E,G,W | Dinophysis sacculus | E,G | Prorocentrum cordatum | G |
| Pseudo-nitzschia fraudulenta | G,W | Dinophysis tripos | E,G,W | Prorocentrum emarginatum | G |
| Pseudo-nitzschia galaxiae | G | Fukuyoa ruetzleri | G,E | Prorocentrum faustiae | G |
| Pseudo-nitzschia multiseries | E,G,W | Fukuyoa yasumotoi | G | Prorocentrum hoffmannianum | G |
| Pseudo-nitzschia multistriata | G | Gambierdiscus belizeanus | G | Prorocentrum lima | E,G,W |
| Pseudo-nitzschia pseudodelicatissima | E,G,W | Gambierdiscus caribaeus | G | Prorocentrum maculosum | G |
| Pseudo-nitzschia pungens | E,G,W | Gambierdiscus carolinianus | E | Prorocentrum rhathymum | G |
| Pseudo-nitzschia seriata | E,G,W | Gambierdiscus carpenteri | E | Protoceratium reticulatum | G,W |
| Pseudo-nitzschia subpacifica | E,W | Gambierdiscus excentricus | G | Pseudopfiesteria shumwayae | E,G |
| Pseudo-nitzschia turgidula | E,G | Gambierdiscus silvae | G,E | Pyrodinium bahamense | G,W,E |
| Thalassiosira spp. | E,G,W | Gonyaulax spinifera | E,G,W | Takayama cladochroma | G |
| Dinoflagellates | Gymnodinium catenatum | G | Takayama pulchella | E | |
| Akashiwo sanguinea | G,W | Heterocapsa circularisquama | G | Takayama tasmanica | E |
| Alexandrium andersonii | G | Karenia bicuneiformis | G | Pelagophytes | |
| Alexandrium balechii | G | Karenia brevis | E,G | Aureococcus anophagefferens | E |
| Alexandrium catenella | E,G,W | Karenia concordia | G | Aureoumbra lagunensis | E,G |
| Alexandrium minutum | G | Karenia cristata | G | Prymnesiophytes | |
| Alexandrium monilatum | E,G | Karenia digitata | G | Phaeocystis pouchetii | E,W |
| Alexandrium ostenfeldii | E,G,W | Karenia mikimotoi | G,W | Prymnesium parvum | E,W |
| Alexandrium peruvianum | E | Karenia papilionacea | E,G | Raphidophytes | |
| Alexandrium pseudogonyaulax | G | Karenia selliformis | G | Chattonella antiqua | G |
| Alexandrium tamiyavanichii | G | Karenia umbella | G | Chattonella marina | G |
| Amphidinium carterae | E,G,W | Karlodinium armiger | G | Chattonella subsalsa | E,G |
| Amphidinium gibbosum | G | Karlodinium corsicum | G | Chrysochromulina spp. | E,W |
| Amphidinium klebsii | E | Karlodinium veneficum | E,G | Fibrocapsa japonica | E,G |
| Amphidinium operculatum | E | Lingulodinium polyedrum | G,W | Heterosigma akashiwo | E,G,W |
| Azadinium poporum | G,W | Luciella masanensis | E | Olisthodiscus | E |
| Blixaea quinquecorne | G | Margalefidinium polykrikoides | E,W | Pseudochattonella verruculosa | E,W |
| Cochlodinium fulvescens | W | Ostreopsis lenticularis | G | Vicicitus globosus | G |
| Coolia santacroce | G | Ostreopsis mascarenensis | G | ||
| Coolia tropicalis | G | Ostreopsis ovata | G |