The star patterns on my recently completed Great Auk are Walnut, no problems glassing over it. Other woods used in this kayak with no glassing problems are: Redwood, Oak, Maple, Cedar, Poplar, Birch, Purple Heart (though a B---- to bend) and Ash. The link contains other pictures of the boat as well as those of other boats at the West Coast Wooden Kayak Redezvous. Jerry