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地點苗栗縣竹南鎮24.667,120.867海拔：9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/3774294406識別號6d813eea-1f90-4347-9250-9dd65f4ab583 (OccurrenceUUID)gbif.54290469.3774294406 (externalID)