Annals of the Missouri Botanical Garden (1914-2013)
Ann. Missouri Bot. Gard.

---

vol. 98 (2011)

---

p. 436 f. 1.2

---

<        >        navigate through volume

---

Polystichum dubium (Karsten) Diels

---

name cited:
Polystichum dubium (Karsten) Diels
name cited (basionym):
Phegopteris dubia Karsten
name recognized (basionym):
Phegopteris dubia Karsten

---

drawing: D.S. Barrington

---

family: Dryopteridaceae
subfamily: Dryopteridoideae
tribe: Dryopterideae

---

epithet: dubius,-a,-um

---

Illustration contributed by:
Missouri Botanical Garden, St. Louis, U.S.A.

---

link to this page:
http://www.plantillustrations.org/illustration.php?id_illustration=361821

---

contact about this record

---

synonyms:

homotypic synonyms:
Cyrtomium dubium (Karsten) R.M. Tryon & A.F. Tryon; Phegopteris dubia Karsten; Polypodium dubium (Karsten) Hook.;
heterotypic synonyms:
Phegopteris dictyophylla Mett. ex Kuhn; Polystichum dictyophyllum (Mett. ex Kuhn) C. Chr.;