NIGR

AcronymDefinition
NIGRNational Institute on Genealogical Research (National Archives in Washington, DC, and College Park, MD)
References in periodicals archive ?
bulnheimiana (Rabenhorst; NBUL Rabenhorst) Grunow in Van Heurck 1881 Nitzschia gessneri Hustedt 1953 NGSS Nitzschia gracilis Hantzsch 1860 NTGR Nitzschia granulata Grunow 1880 NGRA Nitzschia grossestriata Hustedt 1955 NIGR Nitzschia hantzschiana Rabenhorst 1860 NIH Nitzschia homburgiensis Lange-Bertalot 1978 NIHO Nitzschia inconspicua Grunow 1862 NI Nitzschia lacuum Lange-Bertalot 1980 NILA Nitzschia liebethruthii Rabenhorst 1864 NILI Nitzschia linearis (Agardh) W.