| Family | Aspleniaceae |
| Scientific name | Asplenium trichomanes L. |
| Synonyms | Asplenium caput-serpentis Henriques; Asplenium ceterach L. subsp. bivalens (D. E. Meyer) Greuter & Burdet; Asplenium dichroum Kuntze ex C. Presl; Asplenium harovii Godron; Asplenium linnaei Soó; Asplenium melanocaulon Willdenow; Asplenium melanolepis Colenso; Asplenium microphyllum Tineo; Asplenium pechuellii Kuntze; Asplenium rectangulare Bonaparte; Asplenium saxatile Salisbury; Asplenium subrotundum St Lager in Cariot; Asplenium trichomanes L. forma incisum (Gray) Clute; Asplenium trichomanes L. subsp. bivalens D. E. Meyer; Asplenium trichomanes L. subsp. microphyllum (Tineo) Arcang.; Asplenium trichomanes L. var. harovii (Godron) Moore; Asplenium trichomaniforme H. P. Fuchs; Asplenium trichomanoides Lumnizer; Asplenium umbrosum (Milde) Goldschmidt; Athyrium trichomanes (L.) Shafer; Chamaefilix trichomanes (L.) Farwell; Phyllitis rotundifolia Moench; Trichomanes callitriche Bubani; Trichomanes crenatum Gilibert; Trichomanes melanocaulon (Willdenow) Bubani |
| Common name | (Japanese common name) cha-sen-shida [tea whisk fern] |
| (English common name) maidenhair spleenwort, common spleenwort, delicate maidenhair spleenwort | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu |
| (Other nations) worldwide | |
| Chromosomal number | n=72, 2n=144 |
| Description | Evergreen. |
| Reference | Asplenium trichomanes L. |
| Asplenium trichomanes Linnaeus | |
| Methods for removing pollutants from contaminated soil materials with a fern plant (US Patent 6302942/2001) | |
| Heavy metal phytoremediation (US Patent 6576816/2003) | |
| Trace element phytoremediation (US Patent 6974896/2005) | |
| Compositions and methods for removing pollutants from contaminated wafer with a fern plant (US Patent 7069690/2006) | |
| Contaminant removal by ferns via foliar-application and excised/ground fronds (US Patent 7066982/2006) | |
| Contaminant removal by additional ferns (US Patent 7065920/2006) | |
| Heavy metal phytoremediation (US Patent 7034202/2006) | |
| Compositions and methods for removing pollutants from contaminated materials (WIPO Patent WO/2000/061822) | |
| Plant cultivation method (WIPO Patent WO/2005/122752) |
| November 2006 at Koishikawa Botanical Garden |
November 2006 at Koishikawa Botanical Garden |