Cacalia ruderalis (Jacq.) Sw. = Porophyllum ruderale (Jacq.) Cass.
English:
ruderalis,-is,-e;

https://archive.org/stream/#page/110/mode/2up
homotypic synonyms:
Kleinia ruderalis Jacq.; Porophyllum ruderale (Jacq.) Cass.; Porophyllum ruderale subsp. ruderale (Jacq.) Cass.;

protologue: : 110 (1788)

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