Echinocereus engelmannii var. nicholii - orchidroots .

Echinocereus engelmannii var. nicholii (synonym of Echinocereus nicholii)

Echinocereus engelmannii var. nicholii, L.D. Benson (ITIS)

Echinocereus engelmannii var. nicholii is a species in the Echinocereus genus. This name is a synonym of Echinocereus nicholii
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