Lowe, E.J., Ferns [a history of Ferns]: British and exotic (1856-1860)
Ferns

---

vol. 1

---

t. 46 p. 135

---

<        >        navigate through volume

---

name recognized:
1011455 Thelypteris tetragona (Sw.) Small

---

name recognized (basionym):
826879 Polypodium tetragonum Sw.

---

---

name cited:
826879 Polypodium tetragonum Sw.

---

---

family: Polypodiaceae
subfamily: Polypodioideae
tribe: Polypodieae

---

epithet: tetragonus,-a,-um

---

link_details: details

---

Illustration contributed by:
Smithsonian Institute, Washington, D.C., U.S.A.

---

link to this page:
http://www.plantillustrations.org/illustration.php?id_illustration=176755

---

contact about this record

---

synonyms:

homotypic synonyms:
Aspidium tetragonum (Sw.) Sw.; Dryopteris tetragona (Sw.) Kuntze; Dryopteris tetragona (Sw.) Urban; Goniopteris tetragona (Sw.) C. Presl; Nephrodium tetragonum (Sw.) Keyserl.; Phegopteris tetragona (Sw.) Fée; Phegopteris tetragona (Sw.) Mett.; Polypodium tetragonum Sw.;
heterotypic synonyms:
Dryopteris subtetragona (Link) Maxon; Goniopteris feei L’Herm. ex Fée; Goniopteris subtetragona (Link) Vareschi; Nephrodium androgynum (Poiret) Diels; Nephrodium tetragonum C. Presl; Polypodium androgynum Poiret; Polypodium smithianum Heward; Polypodium subtetragonum Link; Thelypteris subtetragona (Link) E.P. St. John;