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water fern (Piscia striata) and other ...
This complex-looking plant has large flat leaves, then lacy-looking fronts ...
Pleopeltis polypodioides is a species of creeping, coarse-textured
The evergreen fronds of this fern are 25 cm ...
Its floating aquatic plants, of small ...
colonial habit, giant duckweeds usually look like a mat of green pumpkin seeds ...
The common salvinia (Salvinia minima) is a small rootless, aquatic