097x Mrs Henry R. Rea, Rock Garden, Sewickley, https://huntbot.org/hibdarc/collections/405/097x%20Mrs%20Henry%20R.%20Rea,%20Rock%20Garden,%20Sewickley_r.pdf. Hunt Institute for Botanical Documentation Archives. https://as.huntbot.org/repositories/2/digital_objects/6418 Accessed August 03, 2026.