| Sep 21 2009 | toni (36069) updated "One of the main Hay=fever causing plants when in bloom." to "One of the main Hay-fever causing plants when in bloom." in Additional Short Notes |
| Sep 21 2009 | toni (36069) added "One of the main Hay=fever causing plants when in bloom." to Additional Short Notes |
| Sep 21 2009 | toni (36069) added "Lanceolate" to Leaf Shape |
| Sep 21 2009 | toni (36069) added "Tolerant of Most Types" to Soil Types |
| Sep 21 2009 | toni (36069) added "Dry" to Soil Types |
| Sep 21 2009 | toni (36069) updated "perennial ragweed" to "Perennial ragweed" in Common Names |
| Sep 21 2009 | toni (36069) updated "western ragweed" to "Western ragweed" in Common Names |
| Sep 21 2009 | toni (36069) added "Winter" to Flowering End |
| Sep 21 2009 | toni (36069) added "6b (to 0 F / -18 C)" to Zones / Hardiness |
| Sep 21 2009 | toni (36069) added "6a (to -5 F / -21 C)" to Zones / Hardiness |
