• Alabama, AL
• Alaska, AK
• Arizona, AZ
• Arkansas, AR
• California, CA
• Colorado, CO
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• Delaware, DE
• District of Columbia, DC
• Florida, FL
• Georgia, GA
• Hawaii, HI
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• Illinois, IL
• Indiana, IN
• Iowa, IA
• Kansas, KS
• Kentucky, KY
• Louisiana, LA
• Maine, ME
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• Minnesota, MN
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• Ohio, OH
• Oklahoma, OK
• Oregon, OR
• Pennsylvania, PA
• Rhode Island, RI
• South Carolina, SC
• South Dakota, SD
• Tennessee, TN
• Texas, TX
• Utah, UT
• Vermont, VT
• Virginia, VA
• Washington, WA
• West Virginia, WV
• Wisconsin, WI
• Wyoming, WY

• Alberta, AB
• British Columbia, BC
• Manitoba, MB
• New Brunswick, NB
• Newfoundland, NL
• Northwest Territories, NT
• Nova Scotia, NS
• Ontario, ON
• Prince Edward Island, PE
• Quebec, QC
• Saskatchewa, SK
• Yukon Territory, YT

• American Samoa, AS
• Armed Forces - Americas, AA
• Armed Forces - Europe, AE
• Armed Forces - Pacific, AP
• Federated States of Micronesia, FM
• Guam, GU
• Marshall Islands, MH
• Northern Mariana Islands, MP
• Palau, PW
• Puerto Rico, PR
• Virgin Islands, VI

The oldest roses: Colorado fossils of the rose which were alive 40 million years ago are the oldest evidence of roses.

Noble flowers: The four noble plants of the ancient Chinese were the Chrysanthemum, the Orchid, the bamboo, and the plum, and therefore only the upper class Chinese were permitted to grow them in their gardens.