Biogeographical Distribution (IMAGE) Pensoft Publishers Caption Biogeographical distribution of species of Acrostichus Rahm 1928. Credit Dr. Qudsia Tahseen Usage Restrictions CC-BY 4.0 License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.