Barely Barren
Across
3. A threatened species named for a botanist
5. A plant that looks like it should ring
8. A place where something lives
9. To study something
11. At risk of becoming extinct
12. Snails' houses
13. Really hard ancient organisms
14. A tree that grows sideways instead of up
15. A plant named for a botanist's assistant
16. At risk of becoming endangered.
Down
1. Keep from harm
2. Homo sapiens
4. A plant resembling footwear
6. A scientist who studies plants
7. Streams of movement in liquid
10. Opposite of Old Lost Sea