40-112-a
Aechmea polystachia var. excavate is a synonym of:

Aechmea distichantha var. distichantha Lemaire

(species distichantha)

Publ: Jard. Fleur. 3: t. 269 (1853)

Type: Paraguay near Ascension., Gibert, 62 ! (Herb. Kew.)

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Aechmea distichantha var. distichantha