Tryonia myriophylla (Sw.) 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 : 31

Tryonia myriophylla (Sw.) Schuettp., J.Prado & A.T.Cochran comb. nov. Figs 4 , 9

Psilogramme myriophylla Synonyms: (Sw.) Kuhn (Festschr. 50 Jähr. Jub. Königstädt. Realschule Berlin 339. 1882); Eriosorus myriophyllus (Sw.) Copel. (Gen. Fil. 58. 1947); Jamesonia myriophylla (Sw.) Christenh. (Phytotaxa 19: 21. 2011).

Basionym.

Gymnogramma myriophylla Sw. (Kongl. Vetensk. Acad. Handl. 1817(1): 58. 1817).

Type.

Brazil: [Minas Gerais]: Villa Rica [now Ouro Preto], Aug 1815, G.W. Freyriss s.n. (lectotype [designated by Tryon, 1970]: S-R-2467, image!; isolectotypes: BM 000936677, image!, S-R-2469, image!).

Distribution.

Brazil: Bahia, Espírito Santo, Minas Gerais, Paraná, Rio de Janeiro, Santa Catarina, São Paulo, and Rio Grande do Sul. Uruguay: Cerro Largo.

Figures

Figure 4. Tryonia myriophylla (Sw.) Schuettp., J. Prado & A. T. Cochran, the type species of Tryonia. Smith 1795 (US), 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.