| Taxon | Sceptridium multifidum |
| group | Ferns |
| Family | Ophiglossaceae |
| Family common name(s) | adder's-tongue; adder's tongue; moonwort fern |
| Genus common name(s) | sceptridium |
| Species common name(s) | leather grape-fern; leather grape fern; leather grapefern; leathery grape-fern; leathery grape fern; leathery grapefern; leather-leaved grape-fern; leather-leaved grape fern; leathery moonwort; leathery moonwort-fern; leathery moonwort fern; broad-leaved grape-fern; broad-leaf grape-fern; broad-leaf grape fern; broadleaf grape-fern; broadleaf grape fern; broadleaf grapefern; California grape-fern; California grape fern; Clausen grape fern; Eaton's grape-fern |
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| Common name(s) generally applied to other taxa or multiple taxa | northern grape-fern, northern grape fern, northern grapefern are applied to multiple Botrychium taxa; common grapefern is applied to multiple Botrychium taxa; honesty plant, honesty-plant are more commonly applied to Lunaria |
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| Notes | Eaton is a proper name, so upper case preferable; Eatons is an error |
| Synonymy: The Jepson Manual (1993), FNA, PLANTS, etc | Botrychium multifidum (S.G. Gmelin) Rupr. including subsp. californicum (Underw.) R.T. Clausen, subsp. coulteri (Underw.) R.T. Clausen, subsp. silaifolium (C. Presl) R.T. Clausen; Botrychium californicum Underw.; Botrychium coulteri Underw.; Botrychium silaifolium C. Presl |
