Aluminum has been selected (out[italics]) of organisms during evolution.
Aluminum in the Environment
Focus for Health | Aluminum Dangers in the Environment
'....world's expert, Chris Exley....'
Chris Exley, Keele University
https://www.keele.ac.uk/aluminum/groupmembers/chrisexley/
All horses and camels originated in what is now called the United States. Camelids are extremely sensitive to Rhododendrons and may be one reason for dying out in the southeastern U.S. with some finding a dead-end on the Florida peninsula.
'Eric. Rhododendron; Symploc. all? Hutchinson says ' It is reasonably certain that the specimens of Symplocos richest in the element [von Faber says up to 72,300 ppm in S. spicata!] contain more aluminum than do any other organisms, and that aluminum is probably exceeded in abundance only by hydrogen, oxygen and carbon in the elementary composition of such plants.
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Are there plants which absorb (less [italics]) aluminum than the average? Moomaw et al (1959) seem to think that there are, and propose the term 'aluminum-excluders' for such. They say: 'The widespread and remarkably adaptable ohia lehua (Metrosideros collina subsp. polymorpha) was very low [in Al], as was the closely related Macadamia nut ( a membber of the Proteaceae). These two plants and pangola grass [Digitaria decumbens] show such low levels [70, 60 and 64 ppm respectively] that a metabolic device for excluding aluminum seems probable.' '
Gibbs, Chemotaxomony of Flowering Plants)
This links to the Aldo Leopold thread for the spirillae that are associated with the roots of Digitaria, which means that theses organisms not only evolved avoiding aluminum, but also acquiring the ability to produce anti-cancer chemistry.