| No. | Cultivar | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'Benjamin William' | Small | Yellow | | | Unknown | Unknown | Unknown | Owens, Clarence | --NR-- |
|
2
| 'Bristol Frances Williams' | Large | Med-Green | Marginal | Yellow | Hybrid | Near-White | June to July | Summers, Alex | --NR-- |
|
3
| 'Chicago Frances Williams' | | - | | | Duplicate | - | | Duplicate Name | |
|
4
| 'Exotic Frances Williams' | Large | Blue/Green | Marginal | White | TC Sport | Near-White | July | Klehm, Roy | --NR-- |
|
5
| 'Frances Williams' | Large | Blue/Green | Marginal | Yellow | Sport | Pale-Lavender | July to August | Williams, Frances & Williams, Connie | .1986 |
|
6
| 'Frances Williams Baby' | Large | Blue/Green | | | Hybrid | Near-White | June | Minks, Eldren | .1980 |
|
7
| 'Frances Williams Improved' | Large | Blue/Green | Marginal | Yellow | Sport | Near-White | June to July | Unknown | --NR-- |
|
8
| 'Frances Williams Selections' | Unknown | Unknown | | | Unknown | Unknown | Unknown | Soules, Marjorie | --NR-- |
|
9
| 'Frances Williams Special' | Large | Blue/Green | Marginal | Yellow | Sport | Near-White | June to July | Schmid, Tom | --NR-- |
|
10
| 'Frances Williams Sport' | | - | | | Duplicate | - | | Duplicate Name | |
|
11
| 'Frances Williams Squash Edge' | Large | Blue/Green | Marginal | Yellow | Sport | Near-White | June to July | Williams, Frances & Williams, Connie | --NR-- |
|
12
| 'Francis Williams' | | | | | Duplicate | - | | Duplicate Name | |
|
13
| 'Green Ripples' (Williams) | Large | Med-Green | | | Hybrid | Near-White | June to July | Williams, Frances & Williams, Connie | .1986 |
|
14
| 'McWilliams #2' | Large | Blue/Green | Streaked | Yellow | Unknown | Unknown | Unknown | Unknown | --NR-- |
|
15
| 'Pancakes' (Williams) | Small | Med-Green | | | Hybrid | Light-Purple | Unknown | Williams, Frances | --NR-- |
|
16
| 'Robb McWilliams' | Large | Dark-Green | Marginal | White | Unknown | Unknown | Unknown | McWilliams, Robb & McWilliams, Cindy | --NR-- |
|
17
| 'Sweet William' | Large | Dark-Green | Streaked | White | Hybrid | Med-Lavender | July | Asch, Stuart | .2004 |
|
18
| 'William Bedard' | Small | Dark-Green | Marginal | Yellow | Hybrid | Deep-Purple | August | Crabb, Scott | .2004 |
|
19
| 'William Henry Harrison' | Large | Light-Green | | | Unknown | Unknown | Unknown | Ruh, Peter & Ruh, Jean | .2010 |
|
20
| 'William Lachman' | Large | Med-Green | Streaked | White | Hybrid | Med-Lavender | July | Vaughn, Kevin | .1981 |
|
21
| 'William's Edge' | | - | | | Duplicate | - | | Duplicate Name | |
|
22
| 'Wylde William' | Large | Yellow | Marginal | Green | Sport | Pale-Lavender | July | Stratton, John & Stratton, Elizabeth | --NR-- |
|
23
| 'Zager's Frances Williams' | | - | | | Duplicate | - | | Duplicate Name | |
|
24
| zz Frances Williams Totals | | | | | | | | Williams, Frances | |
|
25
| zz William Vaughn Totals | | | | | | | | Vaughn, William | |
|