Asplenium horridum Kaulf. , Kaulf. Enum. 173. . 1824. Flora of the Hawaiian Islands --Basionym
Type Information

*Verification: D. H. Lorence.

Asplenium horridum Kaulf. f. mirabile (Copel.) W. H. Wagner, . . Flora of the Hawaiian Islands --Basionym
Type Information

*Verification: None.

Asplenium horridum Kaulf. var. glabratum (W. J. Rob.) D. D. Palmer, . . Flora of the Hawaiian Islands --Basionym
Type Information
Asplenium glabratum W. J. Rob. , .


Note: Hillebrand's Asplenium horridum var. beta

=Asplenium horridum var. glabratum
*Verification: None.
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*Verification: None.

Asplenium horridum Kaulf. f. mirabile (Copel.) W. H. Wagner, . . Flora of the Hawaiian Islands --Basionym
Type Information

*Verification: None.

Asplenium horridum Kaulf. var. humile E. D. Br., Bernice P. Bishop Mus. Bull. 89: 62. 1931.
Type information:
Holotype [BISH]. Jones 1604. 29 October 1922. Hiva Oa: Hana Iafa.700m.
=Asplenium caudatum

*Verification: D. H. Lorence.

Asplenium horridum Kaulf. var. feani E. D. Br., Bernice P. Bishop Mus. Bull. 89: 63. 1931.
Type information:
Holotype [BISH [2 sheets]]. F. H. Brown and E. D. Brown 1095. December 1921. Hiva Oa: Mt. Feani.600m.
=Asplenium caudatum

*Verification: D. H. Lorence.

Asplenium horridum Kaulf. var. marquesense E. D. Br., Bernice P. Bishop Mus. Bull. 89: 63. 1931.
Type information:
Holotype [BISH]. W. B. Jones 1181. 12 September 1922. Ua Pou.700m. Isotype(s) [BKL].
=Asplenium caudatum

*Verification: D. H. Lorence.