Lewis Short
asplēnum | -on (noun N) = ἄσπληνον: or
* Miltwort, spleenwort: Asplenum ceterach, Linn.: Asplenon sunt qui hemionion vocant,Plin. 27, 5, 17, § 34; in Vitr. 1, 4, written as Greek, and in Isid. Orig. 17, 9, 87, asplenos.
Charlton T. Lewis, Charles Short, A Latin Dictionary