map 物種彎菱形藻 Nitzschia sigma Kützing Wm. Smith[原始紀錄物種] Nitzschia sigma Kutzing Wm. Smith日期2005-2-28地點苗栗縣造橋鄉24.6639,120.84204海拔：7公尺觀測方式出現紀錄記錄者私立中華大學鑑定者資料集Investigation Current Status of River in Taiwan between 2002 to 2020授權紀錄授權： CC BY來源連結https://www.gbif.org/occurrence/3774289408識別號7d887b79-d61b-4195-8752-7397b6c8b5ca (OccurrenceUUID)gbif.54290469.3774289408 (externalID)