The third redwood was from a pot that my mom had been growing, a Sequoia sempervirens "Coast Redwood", a bit paler in color than the Aptos Blues I bought, and not bushed-out from the nursery pruning.
Family: Cupressaceae (koo-press-AY-see-ay)
Genus: Sequoia (see-KWOY-uh)
Species: sempervirens (sem-per-VY-renz)