rockm
Spuds Moyogi
metrosideros--Metrosideros - New Zealand Christmas tree. Common tree but I've not seen it used for bonsai by anyone else in the US.
How about a weird, American elm looking tree with corky elm bark? https://www.bonsainut.com/threads/very-corky-american-elm.36222/#post-608768
New Zealand Christmas Tree (Pohutukawa)
I was walking through a nursery yesterday with my parents when one of the workers noticed my father looking at some boxwoods for bonsai practice material. He saw that we were looking for thick trunks and told us he had "something special" in the back. This turned out to be a New Zealand...
www.bonsainut.com
I also think the National Bonsai and Penjing Museum has one also, or maybe that's a Christmas Berry...