| May 11 2013 | Netty (13946) uploaded an image. View |
| Jun 19 2012 | Netty (13946) added "Provincial Flower of Ontario" to Common Names |
| Apr 09 2010 | aythya-camellia (860) added "Great White Trillium" to Common Names |
| Apr 09 2010 | aythya-camellia (860) updated "snow trillium" to "Snow trillium" in Common Names |
| May 05 2009 | FlowerFreak22 (9625) updated "Large Flower Trillium" to "Large-Flowered Trillium" in Common Names |
| May 05 2009 | FlowerFreak22 (9625) added "Large Flower Trillium" to Common Names |
| May 05 2009 | W-house (8) added an opinion |
| May 05 2009 | W-house (8) added "Propagation from seed [plant seed still wet from pod] to flower may be 7 years." to Additional Short Notes |
| May 05 2009 | W-house (8) added "Deer Resistant" to Wildlife Value |
| May 05 2009 | W-house (8) added "Loamy / Medium" to Soil Types |
