- Index Batholith (Oligocene) - Uplift and erosion of the Old Cascade Volcanic Arc exposed plutonic rock of the Index Batholith near Index, Washington. Intrusive rock types found within the Index Batholith range in composition from granodiorite to tonalite.
- Phalaris arundinacea (Wikipedia)
Phalaris arundinacea, or reed canary grass, is a tall, perennial bunchgrass that commonly forms extensive single-species stands along the margins of lakes and streams and in wet open areas, with a wide distribution in Europe, Asia, northern Africa and North America.