| | Bittercress germinates year-round in the optimal conditions found in nurseries. (Photo by Ron Strahan) |
| | Some spurges have a more prostrate growth habit, which can form dense mats. (Photo by Ron Strahan) |
| | Woodsorrel are heavy seed producers and possess an efficient method of seed distribution. (Photo by Mark Claesgens) |
| | | Bittercress flowers. (Photo by Ron Strahan) |
| | Spurge flowers. (Photo by Mark Claesgens) |
| | Yellow woodsorrel grows more upright and produces below-ground stems. (Photo by Ron Strahan) |
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