Check if an object is of the taxon_authority class
Examples
x <- taxon_authority(c('Cham. & Schldl.', 'L.'),
date = c('1827', '1753'))
is_taxon_authority(x)
#> [1] TRUE
is_taxon_authority(1:3)
#> [1] FALSE
Check if an object is of the taxon_authority class
x <- taxon_authority(c('Cham. & Schldl.', 'L.'),
date = c('1827', '1753'))
is_taxon_authority(x)
#> [1] TRUE
is_taxon_authority(1:3)
#> [1] FALSE