Talk:Polystichum acrostichoides

Additional resources

• Greer, Gary K.; McCarthy, Brian C. (2000). "Patterns of growth and reproduction in a natural population of the fern Polystichum acrostichoides". American Fern Journal. 90 (2): 60–76. doi:10.2307/1547415. {{cite journal}}: Invalid |ref=harv (help)

Examining tradeoffs between reproduction and growth. Choess (talk) 04:17, 3 December 2012 (UTC)

Missing evidence of naturalized populations in Europe

A short sentence at introduction says: "It is naturalized in Europe". The cited source, Flora of North America indeed tells: "naturalized in Europe", but nothing else. However, i don't know of any report about naturalized Christmas fern in Europe, thus do suspect the author of the cited page at Flora of North America could have mixed it up with Polystichum munitum, Western sword fern, which is known to be naturalized locally at British Isles. Since there is no reliable evidence of naturalized P. acrostichoides in Europe, i do suggest to delete the statement about naturalization. Stamnariophilus 18:15, 22 December 2018 (UTC) — Preceding unsigned comment added by Stamnaria0568 (talk • contribs)