Alabama

Alabama Wildflower Society
11120 Ben Clements Rd.
Northport, AL 35475

Alaska

Alaska Native Plant Society
P.O.Box 141613
Anchorage, AK 99514-1613

Arizona

Arizona Native Plant Society
Sun Station, P.O.Box 41206
Tucson, AZ 85717-1206

Arkansas

Arkansas Native Plant Society
Box 294
813 Oak St. 10A
Conway, AR 72032

California

California Native Plant Society
2707 K St., Suite 1
Sacramento, CA 95816-5113

American Begonia Society
PO Box 471651
San Francisco, CA 94147

American Fuchsia Society
6979 Clark Road
Paradise, CA 95969

American Primrose Society
3524 Bowman Court
Alameda, CA 64502

Bromeliad Society International
6901 Kellyn Lane
Vista, CA 92084

Cymbidium Society of America
172 River Run Circle
Sacramento, CA 95833

Epiphyllum Society of America
P.O. Box 1395
Monrovia, CA 91017

International Geranium Society
P.O. Box 92734
Pasadena, CA 91109

North American Heather Society
13101 Sea Pines Lane
Mendocino, CA 95460

The Sedum Society
3015 Timmy
Clovis, CA 93612

Colorado

Colorado Native Plant Society
P.O.Box 200
Fort Collins, CO 80522-0200

Connecticut

Connecticut Botanical Society
P.O. Box 9004
New Haven, CT 06532-0004

Delaware

Delaware Native Plant Society
P.O. Box 369
Dover, DE 19903

District of Columbia

Botanical Society of Washington
Smithsonian Institution, Dept. of Botany
NHB/166
Washington, DC 20560

Florida

Florida Native Plant Society
P.O.Box 278
Melbourne, FL 32902-0728

American Hibiscus Society
PO Box 1580
Venice, FL 34284

American Ivy Society
PO Box 2123
Naples, FL 34106

American Orchid Society
16700 AOS Lane
Delray Beach, FL 33446

International Aroid Society
P.O. Box 43-1853
South Miami, FL 33143

International Herb Association
P.O. Box 5667
Jacksonville, FL 32247

International Waterlily & Water Gardening Society
6828 26th Street
Bradenton, FL 34207

Georgia

Georgia Native Plant Society
P.O. Box 422085
Atlanta, GA 30342-2085

American Camellia Society
100 Massee Lane
Fort Valley, GA 31030

American Hemerocallis Society
PO Box 10
Dexter, GA 31019

American Hydrangea Society
PO Box 986
Grayson, GA 30017

Hawaii

Native Hawaiian Plant Society
P.O.Box 5021
Kahului, Maui, HI 96733-5021

Idaho

Idaho Native Plant Society
P.O.Box 9451
Boise, ID 83707-3451

North American Lily Society
PO Box W
Bonners Ferry, ID 83805

Illinois

Illinois Native Plant Society
P.O. Box 271
Carbondale, IL 62903

Indiana

Indiana Native Plant Society
4600 Sunset Ave.
Indianapolis, IN 46208

American Daffodil Society
8374 E State Road 45
Unionville, IN 47468

American Gourd Society
PO Box 2186
Kokomo, IN 46904

Iowa

Iowa Native Plant Society
Dept. of Botany, Iowa State Univ.
Ames, IA 50011-1020

Kansas

Kansas Native Plant Society
University of Kansas
2045 Constant Avenue
Lawrence, KS 66047-3729

Kentucky

Kentucky Native Plant Society
PO Box 6862
Frankfort, KY 40602

Louisiana

Louisiana Native Plant Society
Caroline Dorman Road
Saline, LA 71070

American Rose Society
8877 Jefferson Paige Road
Shreveport, LA 71119

Maine

Native Plant Trust
180 Hemenway Road
Framingham, Massachusetts 01701

Maryland

Maryland Native Plant Society
P.O. Box 4877
Silver Spring, MD 20914

American Dahlia Society
1 Rock Falls Court
Rockville, MD 20854

Massachusetts

Native Plant Trust
180 Hemenway Road
Framingham, Massachusetts 01701

Holly Society of America, Inc
8 Glen Terrace
Bedford, MA 01730

Michigan

Wildflower Association of Michigan
15232 24 Mile Rd
Albion, MI 49224-9562

Minnesota

Minnesota Native Plant Society
PO Box 20401
Bloomington, MN 55420

American Conifer Society
PO Box 1583
Maple Grove, MN 55311

Mississippi

Mississippi Native Plant Society
Millsaps College, Box 15037
Jackson, MS 39210-0001

Missouri

Missouri Native Plant Society
PO Box 440353
St. Louis, MO 63144-4353

American Fern Society
PO Box 299
St. Louis, MO 63166

American Iris Society
PO Box 28
Cedar Hill, MO 63016

American Peony Society
713 White Oak Lane
Gladstone, MO 64116

Montana

Montana Native Plant Society
P.O. Box 8783
Missoula, MT59807-8783

Nebraska

Nebraska Native Plant Society
Wayne State College
1111 Main Street
Wayne, NE 68787

American Penstemon Society
9202 Maloney Drive
North Platte, NE 69101

Nevada

Nevada Native Plant Society
P.O. Box 8965
Reno, NV 89507-8965

Cactus & Succulent Society of America
P.O. Box 2615
Pahrump, NV, 89041

New Hampshire

Native Plant Trust
180 Hemenway Road
Framingham, MA 01701

New Jersey

The Native Plant Society of New Jersey
Cook College
102 Ryders Lane
New Brunswick, NJ 08901-8519

New Mexico

Native Plant Society of New Mexico
734 North Reymond St.
Las Cruces, NM 88005

New York

New York Flora Association
New York State Museum
3140 CEC
Albany, NY 12230

American Bamboo Society
750 Krumkill Road
Albany, NY 12203

American Rhododendron Society
PO Box 214
Great River, NY 11739

Magnolia Society International
3000 Henneberry Road
Jamesville, NY 13078

North American Rock Garden Society
PO Box 67
Millwood, NY 10546

North Carolina

N. Carolina Wild Native Plant Society
Totten Garden Center, 3375
U. N. Carolina
Chapel Hill, NC 27599-3375

Azalea Society of America, Inc.
65 Sierra Drive
Hendersonville, NC 28735

Ohio

The Native Plant Society of Northeastern Ohio
6892 Highland Dr.
Solon, OH 44139

American Bonsai Society
PO Box 351604
Toledo, OH 43635

The Herb Society of America
9019 Kirtland Chardon Road
Kirtland, OH 44094

Oklahoma

Oklahoma Native Plant Society
PO Box 14274
Tulsa, OK 74159

Oregon

Native Plant Society of Oregon
P.O.Box 902
Eugene , OR 97440

North American Gladiolus Council
8401 Southeast Strawberry Lane
Milwaukie, OR 97267

Pennsylvania

Botanical Society of Western Pennsylvania
5837 Nicholson St.
West Newton, PA 15089

The American Violet Society
PO Box 342
Yukon, PA 15698

Rhode Island

Rhode Island Wild Plant Society
P.O. Box 114
Peace Dale, RI 02883-0114

South Carolina

South Carolina Native Plant Society
P.O. Box 21266
Charleston, SC 29413

South Dakota

Great Plains Native Plant Society
Cindy Reed
P.O.Box 461
Hot Springs, SD 57747

Tennessee

Tennessee Native Plant Society
P.O. Box 159274
Nashville, TN 37215

Texas

Native Plant Society of Texas
320 W. San Antonio St.
Fredericksburg, TX 78624

African Violet Society of America
2375 North Street
Beaumont, TX 77702

The Cycad Society
11803 Hyacinth Drive
Austin, TX 78758

International Palm Society
9300 Sandstone Street
Austin, Texas

The Plumeria Society of America
P.O. Box 22791
Houston, TX 77227

Utah

Utah Native Plant Society
P.O.Box 520041
Salt Lake City, UT 84152-0041

Vermont

Native Plant Trust
180 Hemenway Road
Framingham, MA 01701

Virginia

Virginia Native Plant Society
400 Blandy Farm Lane, Unit 2
Rt. 2, Box 214
Boyce, VA 22620

American Boxwood Society
PO Box 85
Boyce, VA 22620

American Hosta Society
8702 Pinnacle Rock Court
Lorton, VA 22079

National Chrysanthemum Society, Inc
10107 Homar Pond Drive
Fairfax Station, VA 22039

Washington

Washington Native Plant Society
6310 NE 74th St, Ste. 215E
Seattle, WA 98115

The Gesneriad Society
1122 East Pike Street, PMB 637
Seattle, WA 98122-3916

Hardy Fern Foundation
P.O. Box 166
Medina, WA 98036

West Virginia

West Virginia Native Plant Society
P.O.Box 808
New Haven, WV 25265

Wisconsin

Botanical Club of Wisconsin
Wisc. Acad. Arts, Sciences
1922 University Ave.
Madison, WI 53705

Wyoming

Wyoming Native Plant Society
P.O.Box 2449
Laramie, WY 82073