Statut biogéographique : Circumscription of P. aquilinum (L.) Kuhn subsp. latiusculum (Desv.)
Hultén is amended here to include only specimens from the
N American region, encompassing plants from localities as specified for
P. aquilinum var. latiusculum (Desv.) Underw. ex A. Heller by the following and other
authors: Canada (Lellinger 1985, Cody & Britton 1989); USA (most abundantly in
eastern and northern regions (Tryon 1941, Jacobs & Peck 1993, Lellinger 1985, Speer &
Hilu 1999); Mexico (Nuevo Léon, Jacobs & Peck 1993).
Références :
Thomson (2004)
Type : ‘Pteris latiuscula Desv.’, Desvaux’ Herbarium (holo: P 00347485); ‘Pteris
latiuscula Desv.’ from de Vaillant’s Herbarium (new paratype: P 00347522); ‘Pt.
caudata SCHK.’ from the Herbarium of Danty d’Isnard (P00347486), (new isoparatype).
[photographs seen, NSW].
Références :
Thomson (2004)