The same can be found in Waterfall (1946) with "gypsophilous" and "gypsophile", although in this case they were used as adjectives.
Key words used in this bibliographical search, which took place in 24/02/16 were: "gypsocline", "gypsophile", "gypsophilic", "gypsophilous", "gypsophily", "gypsophobe", "gypsophyte", "gypsovag" and "gypsum-tolerant".
Other terms also related to the study object in this type of researches such as "gypsophilous" or "gypsophily" are only present in one third of the works (37 and 31%).
The use of "gypsophile" (gypso-, gypsum and--phile, lover) solely would be restricted as an adjective and would remain synonymous with "gypsophilous" and "gypsophilic", terms far less used.
Among them, "gypsophilous" is the most used (37%), followed distantly by "gypsophilic" (12%) and "gypsicolous" (2%).
With respect to percentages of gypsum collected from literature, it is clear that the 5% threshold lacks interest as is rarely near to the percentage of gypsum that supports predominantly gypsophilous vegetation, at least in Iberian Peninsula case.
It was probably Johnston (1941) who first used the term "gypsophily", which was accompanied by gypsophile, used as a noun, and "gypsophilous" as an adjective.
Complexity of semiarid gypsophilous shrub communities mediates the AMF biodiversity at the plant species Level.
Assessing the diversity of AM fungi in arid gypsophilous plant communities.
These gypsic soils, especially in Iran and middle Asia, support a very distinctive vegetation, gypsophilous
vegetation, which consists largely of species belonging to the same families as dominate halophytes (Chenopodiaceae, Tamaricaceae, as well as Asteraceae and Plumbaginaceae).