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(First upload on April 11 2016. Last on January 7 2018) [ 日本語 | English ]

Potamogeton berchtoldii Fieber






Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily

Potamogeton L. (ヒルムシロ) in Japan
Itomo (イトモ, 糸藻), small pondweed
Lifeform: aquatic perennial forb
Distribution: widespread between tropical and cool-temperate regions in the world

decreasing the populations, in particular, in the southern parts of Japan

Habitat: ponds ⇒ wetland (湿原)
Synonyms:

Potamogeton pusillus auct. non L.

索引

Potamogeton berchtoldii in Hokkaido


ST1 ST2 ST3
ST4 ST5
[1-3] in the park of Nakatonbetsu Limestone Caves for Communication with Nature (中頓別鍾乳洞自然ふれあい公園), northern Hokkaido, on August 28 2015. [4/5] in the inner moat of Edo Castle, Tokyo, on October 19 2018.

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