A tibble containing all CBD pathways of introduction at level 1
(pathway_level1) and level 2 (pathway_level2). Added pathway unknown
at level 1 and level 2 for classifying taxa without pathway (at level 1 or
level 2) information.
Format
A tibble with 51 rows and 2 variables:
pathway_level1: (character) CBD pathway level 1pathway_level2: (character) CBD pathway level 2
