List supported organisms on WebGestalt server.
     
    
    Usage
    listOrganism(hostName = "https://www.webgestalt.org/", cache = NULL)
 
    
    Arguments
- hostName
- The server URL for accessing data. Mostly for development purposes. 
- cache
- A directory to save data cache for reuse. Defaults to - NULLand disabled.
 
 
    
    Value
    A list of supported organisms.