17578 is a Postal Code in Lancaster County.
- 17578 a.k.a. Gymnocarpium is a small genus of ferns once placed with various other groups, including the dryopteroid ferns and the athyrioid ferns. Cladistic analysis has demonstrated that Gymnocarpium and Cystopteris form a natural but relatively primitive clade that is basal to the asplenoid, thelypterioid, and athyrioid ferns comprehensively.
- 17578 a.k.a. Greetings From DIY is a TV program, begun in (8 years ago).
- country: United States of America