Amaranthus caudatus subsp. saueri V. Jehlík in Preslia 62: 164. 1990 Amaranthus caudatus subsp. saueri V. Jehlík in Preslia 62: 164. 1990Taxon for this nameAmaranthus caudatus subsp. saueri V. Jehlík in Preslia 62: 164. 1990