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/3774287409識別號6e249527-efe4-4de4-b59b-a1f68be5f0a9 (OccurrenceUUID)gbif.54290469.3774287409 (externalID)