cdm/src/main/java/thredds/client/catalog/DatasetNode.java
public Dataset findDatasetByName(String name) {
    for (Dataset ds : getDatasets()) {
      if (ds.getName().equals(name)) return ds;
      Dataset result = ds.findDatasetByName(name);
      if (result != null) return result;
    }
    return null;
  }
public Dataset findDatasetByName(String name) {
    for (Dataset ds : getDatasets()) {
      if (ds.getName().equals(name)) return ds;
      Dataset result = ds.findDatasetByName(name);
      if (result != null) return result;
    }
    return null;
  }
Look though all datasets here or under here. do not go into catrefs