Tryonia areniticola (Schwartsb. & Labiak) Schuettp., J.Prado & A.T.Cochran, 2014

Cochran, Alyssa T., Prado, Jefferson & Schuettpelz, Eric, 2014, Tryonia, a new taenitidoid fern genus segregated from Jamesonia and Eriosorus (Pteridaceae), PhytoKeys 35, pp. 23-43 : 30

Tryonia areniticola (Schwartsb. & Labiak) Schuettp., J.Prado & A.T.Cochran comb. nov. Figs 6 , 9

Jamesonia areniticola Synonym: (Schwartsb. & Labiak) Christenh. (Phytotaxa 19: 20. 2011).

Basionym.

Eriosorus areniticola Schwartsb. & Labiak (Amer. Fern J. 98: 160. 2008).

Type.

Brazil: Paraná: Jaguariaíva: Parque Estadual do Cerrado, 12 April 1994, P.H. Labiak 182 (holotype: UPCB; isotypes: SP!, UC).

Distribution.

Brazil: Paraná, Rio Grande do Sul, Santa Catarina (probably), and São Paulo.

Discussion.

Based on the gene regions included in our analysis, we found Tryonia areniticola to be genetically indistinguishable from Tryonia myriophylla , despite the presence of several morphological differences ( Schwartsburd and Labiak 2008). Further studies that include nuclear markers will be necessary.

Figures

Figure 6. Tryonia areniticola (Schwartsb. & Labiak) Schuettp., J. Prado & A. T. Cochran. Schwartsburd 487 (SP), inset detail of (stramineous) rachis magnified 4 x.

Figure 9. Spores of Tryonia. A. Tryonia myriophylla proximal view, Wacket s. n. (US) B Tryonia myriophylla distal view, Wacket s. n. (US) C Tryonia areniticola proximal view, Kummrow 2773 (US) D Tryonia areniticola distal view, Kummrow 2773 (US). All scale bars are 20 µm.