香川県小豆島からのカワツルモ（カワツルモ科）の報告

東馬哲雄

In April 2024, a population of Ruppia maritima (Ruppiaceae) was newly discovered in a slightly saline artificial pond on Shodoshima Island, Kagawa Prefecture, western Japan. The species is currently confirmed in only one site on the Shikoku side in Kagawa Prefecture and is listed as an endangered species (CR+EN) in the Red data book of Kagawa Prefecture 2021.

Naturalistae

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