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CCDB → Angiosperms → Liliaceae → Calochortus → Calochortus howellii Wats.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Calochortus howellii Wats. | Calochortus howellii S. Watson | 20 | Fedorov, 1974 | Deal 1939 ileal, Ownbey 1943 |