Contains 2 accepted taxa overall.
Characteristics
Classification
Citation
LYGODIUM Swartz, J. Bot. (Schrader) 1800(2): 7, 106. 1802, nom. cons. vs. Ugena Cavanilles 1801.
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TYPE: Lygodium scandens (Linnaeus) Swartz (Ophioglossum scandens Linnaeus)
Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos |
|---|---|---|---|---|
| Lygodium japonicum | Japanese Climbing Fern | |||
| Lygodium palmatum | American Climbing Fern, Hartford Fern |
Identification Key
1. Sterile pinnules palmately lobed; fertile pinnules with the spore-bearing tissue exceeding in area the minimal sterile, green tissue; leaves 1-4 cm apart along the subterranean stem
1. Sterile pinnules pinnately divided, irregularly palmately lobed, or simple; fertile pinnules with the sterile, green tissue abundant and exceeding in area the spore-bearing tissue; leaves 0-0.5 cm apart along the subterranean stem
2
2. Ultimate blade segments mostly short-lobed at the base and the central lobe elongate, the blade decurrent along the rachis, blade segments not articulate, blade tissue glabrate or sparsely to moderately pubescent abaxially
2. Ulimate blade segments mostly ovate to lanceolate and truncate to cordate at the base, the blade not decurrent along the rachis, blade segments articulate and leaving a naked rachis point when detached, blade tissue glabrous abaxially
Genus Synonyms
| Synonym | Full Citation | Basionym | Type |
|---|---|---|---|
| No synonyms found. | |||