There are four varieties of commercially viable coffee: Arabica, Liberica, Excelsa, and Robusta. Growers predominantly plant the Arabica species. Although less popular, Robusta tastes slightly more bitter and contains more caffeine.
Armillaria, genus Armillaria
(noun) genus of edible mushrooms having white spores an annulus and blue juice; some are edible; some cause root rot
Source: WordNet® 3.1
From the genus name.
armillaria (plural armillarias)
Any of the genus Armillaria of parasitic fungi; a honey fungus.
Source: Wiktionary
21 April 2025
(noun) a reference work (often in several volumes) containing articles on various topics (often arranged in alphabetical order) dealing with the entire range of human knowledge or with some particular specialty
There are four varieties of commercially viable coffee: Arabica, Liberica, Excelsa, and Robusta. Growers predominantly plant the Arabica species. Although less popular, Robusta tastes slightly more bitter and contains more caffeine.