Fixed update_lichen_list to produce observations in 'Unknown' instead of 'world'.
Fixed update_lichen_list to produce observations in 'Unknown' instead of 'world'.


git-svn-id: 3ebd8a4fd9006ff03462623fffc479a1d4750d42@901 7a65b82a-1d14-0410-b525-e2835e71a0b4

dicksonlabs/mushroom_sightings,dicksonlabs/mushroom_sightings,dicksonlabs/mushroom_sightings,dicksonlabs/mushroom_sightings,dicksonlabs/mushroom_sightings