![](https://news.stanford.edu/__data/assets/image/0015/122109/varieties/400w.jpeg)
Image credit: Andrew Brodhead
![](https://news.stanford.edu/__data/assets/image/0007/122110/varieties/400w.jpeg)
Image credit: Andrew Brodhead
![](https://news.stanford.edu/__data/assets/image/0008/122111/varieties/400w.jpeg)
Image credit: Andrew Brodhead
![](https://news.stanford.edu/__data/assets/image/0011/122114/varieties/400w.jpeg)
Image credit: Andrew Brodhead
![](https://news.stanford.edu/__data/assets/image/0012/122115/varieties/400w.jpeg)
Image credit: Andrew Brodhead
![](https://news.stanford.edu/__data/assets/image/0014/122108/varieties/400w.jpeg)
Image credit: Andrew Brodhead
![](https://news.stanford.edu/__data/assets/image/0013/122116/varieties/400w.jpeg)
Image credit: Andrew Brodhead
![](https://news.stanford.edu/__data/assets/image/0014/122117/varieties/400w.jpeg)
Image credit: Andrew Brodhead
![](https://news.stanford.edu/__data/assets/image/0015/122118/varieties/400w.jpg)
Image credit: Andrew Brodhead
![](https://news.stanford.edu/__data/assets/image/0016/122119/varieties/400w.jpg)
Image credit: Andrew Brodhead
![](https://news.stanford.edu/__data/assets/image/0023/148019/varieties/375w.jpg)
Image credit: Andrew Brodhead
![](https://news.stanford.edu/__data/assets/image/0022/148018/varieties/375w.jpg)
Image credit: Andrew Brodhead
![](https://news.stanford.edu/__data/assets/image/0021/148017/varieties/375w.jpg)
Image credit: Andrew Brodhead
Fullscreen