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/3774291405識別號c5d66e84-3fc4-4578-b996-25cf518da064 (OccurrenceUUID)gbif.54290469.3774291405 (externalID)