Each symbol on the map represents one occurrence of Lilaeopsis masonii documented within a particular survey year.  To obtain information about an occurrence, click on the desired symbol.  To zoom in and out, use the + and – symbols on the left side of the map.  To move to a different location on the map either click on the map and drag to desired location, or use the arrow symbols to navigate.  You may also search the map using the map year or ID drop-down menus on the right side of the page, or filtering the data by patch size.