rzander's videos (2)

Oct 5, 2008
Pterygoneurum lamellatum with Crossidioid photosynthetic enations

Pterygoneurum lamellatum is a western and High Arctic moss in North America that has two kinds of photosynthetic...

Mar 27, 2008
Chinese Chestnut Tree Identification

The Chinese Chestnut is commonly mistaken for the American Chestnut. Here are some pointers on the differences...