Walcott, M.V., North American wild flowers (1925-1927)
N. Amer. Wild Fl.

---

vol. 1

---

t. 16

---

---

name cited:
Alnus rugosa (Du Roi) Sprengel
name cited (basionym):
Betula alnus var. rugosa Du Roi
name recognized:
Alnus incana (L.) Moench
name recognized (basionym):
Betula alnus var. rugosa Du Roi

---

family: Betulaceae
subfamily: Betuloideae

---

epithet cited: rugosus,-a,-um

---

epithet recognized: incanus,-a,-um

---

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

---

link to this page:
https://www.plantillustrations.org/illustration.php?id_illustration=177695

---

contact about this record

---

synonyms:

homotypic synonyms:
Betula alnus incana L.; Betula incana (L.) L.f.;