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/3774292405識別號daf86b6f-6ab8-4f91-acea-c0a93f212774 (OccurrenceUUID)gbif.54290469.3774292405 (externalID)