map 物種鈍頭菱形藻 Nitzschia obtusa W. Smith[原始紀錄物種] Nitzschia obtusa W. Smith日期2013-11-8地點苗栗縣大湖鄉24.41159,120.86688海拔：253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 2020授權紀錄授權： CC BY來源連結https://www.gbif.org/occurrence/3774294103識別號e1b0e70f-509f-44b9-9474-81c8e13276ac (OccurrenceUUID)gbif.54290469.3774294103 (externalID)