finds bases at the dollar store!I can't take credit for finding these. It was a family member who purchased them at Hobby Lobby for a craft project, and I borrowed them for a few minutes. 
These are labeled as Christmas Crafts Mini Trees – which is the same label as the green-glitter trees I previewed previously!
The difference is that these trees come a dozen to a pack for $3.99 USD, and are currently 50% off. So about $0.17 USD per tree.
The other difference is that these trees are only 1.5" tall (including the base), according to the label, or 1.44" according to the website. That means these trees stand pretty well as-is, and may not need rebasing (though you might want to overpaint the gold).
In 28mm, they make nice shrubs, but in 6mm, they make smallish trees.
Note that the merchant's website calls these Mini Frosted Sisal Trees, which apparently refers to the type of bristles used on these bottle-brush trees, sisal being a plant used to make rope and twine.