Index: trunk/src/org/openstreetmap/josm/data/validation/tests/UnconnectedWays.java
===================================================================
--- trunk/src/org/openstreetmap/josm/data/validation/tests/UnconnectedWays.java	(revision 13941)
+++ trunk/src/org/openstreetmap/josm/data/validation/tests/UnconnectedWays.java	(revision 13942)
@@ -452,6 +452,6 @@
                 // the time very near the associated highway, which is perfectly normal, see #9332
                 && !w.hasKey("addr:interpolation")
-                // similarly for public transport platforms
-                && !w.hasTag(HIGHWAY, "platform") && !w.hasTag(RAILWAY, "platform")
+                // similarly for public transport platforms, tree rows
+                && !w.hasTag(HIGHWAY, "platform") && !w.hasTag(RAILWAY, "platform") && !w.hasTag("natural", "tree_row")
                 ) {
             ways.addAll(getWaySegments(w));