Britton, N.L., Rose, J.N., Cactaceae (1919-1923)
Cact.

---

vol. 3 (1922)

---

t. 20 (1922)

---

---

name cited:
Echinocactus horizonthalonius Lemaire
name recognized:
Echinocactus horizonthalonius Lemaire

---

drawing: M.E. Eaton

---

family: Cactaceae
subfamily: Cactoideae
tribe: Cacteae

---

epithet: horizonthalonius,-a,-um

---

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

---

link to this page:
https://www.plantillustrations.org/illustration.php?id_illustration=51118

---

contact about this record

---

synonyms: