nomenclatorial act:
protologue/first publication
Page:
XXII
diagnosis:
Char. essent. Caudex arboreus vel fructicosus, cortice armato aut inermi, ramis oppositus seu alternis, foliis 3-4-fariis. — Genus dubium, inter Lycopodia et Filices medium, facie quoque coniferarum.
systematic position:
Classis Prima. Acotyledones. Ordo tertius. Filices. Tribus II. Filices anomalae. Sectio 1. Cortice simpliciter striato.
typeseries:
1. Walchia filiciformis, 2. Walchia affinis, 3. Walchia piniformis
Classification:
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