Q.Hallucinogenic effect of spider plants on cats
You state that NDSU extension says the following. Do you have a reference and link for this?
https://www.gardeningknowhow.com/houseplants/spider-plant/spider-plants-cats.htm
But, according to the North Dakota State University Extension Service, studies have found that this plant does, indeed, give off a mild hallucinogenic effect to felines…
PS
Read more at Gardening Know How: Spider Plants And Cats: Why Are Cats Eating Spider Plant Leaves And Can It Be Harmful? https://www.gardeningknowhow.com/houseplants/spider-plant/spider-plants-cats.htm
These are the cite sources: http://www.ext.nodak.edu/extnews/hortiscope/pests/cat.htm
http://www.ext.nodak.edu/extnews/hortiscope/houseplnts/spider.htm
http://www.news.wisc.edu/16820