Contrasting Microhabitats (IMAGE) Washington University in St. Louis Caption To test their suspicion that native species rely on early successional habit the scientists sampled plants in early, middle and late successional habitat. In this photo the bare sand and sparse vegetation to the left side constitute early successional habitat. The native dune grasses, perennial plants and shrubs to the right are characteristic of late successional habitat. Credit Photo by Eleanor Pardini Usage Restrictions Please credit 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.