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| CA/CDM |
Cook-Douglas Award | The highest award given to a Standard Dwarf Bearded iris beginning in 1959. Changed to medal status in 1966. |
| DM | Dykes Medal | The highest award any iris may achieve. |
| FSM |
Founders of SIGNA Medal | The highest award given for a species iris. |
| HJS |
Hans and Joseph Sass Medal | The highest award given for an Intermediate Bearded iris. |
| JCW |
John C. Wister Medal | The highest award given for a Tall Bearded iris. |
| KM |
Knowlton Medal | The highest award given for a Border Bearded iris. |
| MA | Morgan Award | The top award for Siberian Irises from 1952 to 1984, awarded to no more than one iris per year. |
| MW | Morgan-Wood Medal | Highest award for Siberian Irises from 1986 to present. |
| MSD | Mary Swords DeBallion award | The highest award given for a Louisiana Iris from 1948 to 1985. |
| MSDM | Mary Swords DeBallion Medal | The award was changed to medal status in 1986. |
| PA | Payne Award | The highest award given to Japanese Iris from 1966 to 1992, awarded to no more than one iris per year. |
| PM | Payne Medal | Beginning in 1993 the Payne Award was revised and renamed. |
| RPM | Randolph-Perry Medal | Given annually to a species cross. |
| WW |
Williamson-White award | The highest award given for a Miniature Tall Bearded iris. |
| AM | Award of Merit | The next award that can be received after HM. |
| HM | Honorable Mention | First garden award for introduced varieties. Prerequisite for an AM. |
| A | Australian Iris Society | |
| B | British Iris Society | |
| F | French Iris Society | |
| E | Early season bloom.
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| M | Mid-season bloom. |
| L | Late season bloom.
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| Rebloomer | Registered or reported to be a repeat bloomer.
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| Beard | The fuzzy "caterpillar" extending from the base of the falls.
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| Falls | The lower three petals of the flower.
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| Ltd Q | Only limited quantities of this plant are available.
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| Self | Standards and falls same color.
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| Signal | Colored blaze, patch, spot or line on falls in beard area or in place of beard.
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| Standards | The upper three petals of the flower.
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| Style Arms | Small flower segments covering the beard.
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| Substance | The thickness of the petals.
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| Tetraploid | Each cell has four sets of chromosomes resulting in larger flowers and a more vigorous plant. |
