She was the founder of the Barbara Collins Arboretum at the campus of California Lutheran University where she was a professor for 50 years.
At Cal Lutheran, she created a website which cataloged over 3,000 plant species and was the sole member of the Interdisciplinary Major Committee for thirty years.
Collins received the national Sears Roebuck Foundation Teaching Excellence and Campus Leadership Award in 1991.
After three years of teaching botany at SFVSC, she became one of the first faculty members at California Lutheran College in 1963.
[3] During her tenure at Cal Lutheran she brought her students along on scientific trips to Hawai'i, Fiji, New Zealand, Australia, and deserts and mountains of California.