**Cottonwood tree**: A type of deciduous tree found in North America.

**Poplar tree**: Refers to any species within the Populus genus.

**Cultural reference**: Symbolic representation often used in literature or art.

**Historical site name**: Associated with landmarks, notably The Alamo fortress in Texas.

The Alamo - Historic site in San Antonio, Texas.

Alamos (town) - A town in Sonora, Mexico.

Alamosa - City in Colorado named after "alamo".

Los Álamos - Town known for the Manhattan Project location.

El Álamo (film) – Historical film about the Battle of the Alamo.

Las Alamitos – City name derived from “alemos” meaning poplar trees.