Pteridophyta

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Rush lemonweed - Psoralidium junceum

species profile, habitat, control, invasion & life history, map - US National Institute of Invasive Species

Kariba-weed - Salvinia molesta

species profile, habitat, control, invasion & life history, map - US National Institute of Invasive Species

Water spangles - Salvinia minima

species profile, habitat, control, invasion & life history, map - US National Institute of Invasive Species

Feathered mosquitofern - Azolla pinnata

species profile, habitat, control, invasion & life history, map - US National Institute of Invasive Species

Monarch fern - Microsorum scolopendria

species profile, habitat, control, invasion & life history, map - US National Institute of Invasive Species

Watermoss - Salvinia

species profile, habitat, control, invasion & life history, map - US National Institute of Invasive Species

Small-leaf climbing fern - Lygodium microphyllum

species profile, habitat, control, invasion & life history, map - US National Institute of Invasive Species