Later, an idea to start a mushroom club came about, and in 1984 he founded The Fungus Federation of Santa Cruz.

He began teaching about wild mushrooms in the early 1970s while living in Santa Cruz, California.

[4] Though Mushrooms Demystified encountered some initial resentment and negative reviews among academic mycologists when it first appeared,[2][5] the mushroom key and descriptions in this work are highly regarded and the book is recommended by a number of mycological authors.

[7] In addition to his field guides, he has written several articles on amateur and commercial mushroom hunting, its role in the economic development of rural communities, and about conflicts related to conservation issues related to mushroom hunting.

In 2004 Arora left his long-time home of Santa Cruz and moved north to Mendocino county settling near the coastal town of Gualala, California.