John, many thanks for the info and the link. The odd thing about that wikipedia article is that it says they occur around Jirisan, which is in the southern part of the ROK. I wish I knew where that info came from......possibly just misinformation, but then again, there are other equally strange isolated distributions in that part of the world. One more to-do on my research list. Unfortunately, all of the time I spent in Korea was when the ground was frozen solid!

Shane
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