map 物種Nitzschia sigmoidea Ehrenberg W. Smith[原始紀錄物種] Nitzschia sigmoidea Ehrenberg W. Smith日期2012-4-24地點苗栗縣後龍鎮24.62274,120.75639海拔：6公尺觀測方式出現紀錄記錄者禹安工程顧問股份有限公司鑑定者資料集Investigation Current Status of River in Taiwan between 2002 to 2022授權紀錄授權： CC BY來源連結https://www.gbif.org/occurrence/3774294556識別號a6340d58-292c-4ea7-92e4-30aeea5a9481 (OccurrenceUUID)gbif.54290469.3774294556 (externalID)