small pondweed; Potamogeton pusillus
A specific aquatic plant species. The word is usually written in kana.
Small pondweed is growing in the pond.
Katakana spelling is common for this plant name; usually written in kana.
Kanji spelling is rare; the word is usually written in kana.
The derivation is uncertain. The kanji 糸藻 literally means 'thread seaweed', likely referring to the plant's slender, thread-like appearance.