Botanical Name Qty Accession # Source Spiraea alba 160 1180-1994 Chicago Area prairies & woods Spiraea alba 33 1503-2009 Chicago Botanic Garden Prairies Spiraea alba 7 1580-2016 Botanic Garden of Smith College Spiraea alba 3 1704-2005 Possibility Place Nursery Spiraea alba 476 1924-2012 Pizzo Native Plant Nursery, LLC Spiraea alba 12 2417-2004 Applied Ecological Services Spiraea alba 203 2494-2004 J.F. New Native Plant Nursery Spiraea alba 7 2576-2004 CBG Stock Spiraea alba 7 269-2018 Botanic Garden of Smith Colleg Spiraea alba 49 2746-2016 Spence Restoration Nursery, Inc. Spiraea alba 14 428-2002 Mariani Landscape Spiraea alba 18 493-1978 Morton Arboretum Spiraea alba 26 538-2013 Midwest Groundcovers Spiraea alba 3 545-1996 Chicago Area prairies & woods Spiraea alba 14 680-2008 The Natural Gardens Spiraea alba 24 747-2009 Johnson's Nursery Inc. Spiraea alba 262 765-1988 Chicago Area prairies & woods Spiraea alba 64 835-1995 CBG Stock Spiraea alba 11 862-1997 Barrington Bog Spiraea 'Bailcarol' 10 1630-2017 Bailey Nursery Spiraea 'Bailcarol' 11 225-2012 Bailey Nursery Spiraea 'Bailcarol' 6 693-2011 Bailey Nursery Spiraea betulifolia 9 1394-2015 National Arboretum Russia Far East MWPCC trip '97 Gates Spiraea betulifolia 2 1522-2004 Spiraea betulifolia 7 225-1999 Hortus Bot. Arct-Alpinus Spiraea betulifolia 10 677-2017 National Arboretum Spiraea betulifolia 'COURISPI01' 10 1633-2017 Bailey Nursery Spiraea betulifolia 'Island' 8 47-2005 Spring Meadow Nurseries Spiraea betulifolia 'Renko' 8 48-2005 Spring Meadow Nurseries Spiraea betulifolia 'Tor' 4 1139-2010 Beaver Creek Nursery Spiraea betulifolia 'Tor' 20 223-1999 Spring Meadow Nurseries Spiraea betulifolia 'Tor' 43 2487-2005 Craig Bergmann's Country Gard. Spiraea betulifolia 'Tor' 8 306-1-2002 Golddigger Perennials Inc. Spiraea betulifolia 'Tor' 8 693-1999 Darthuizer Vademecum Spiraea betulifolia 'Tor' 3 871-2010 C.J. Fiore Nursery Spiraea betulifolia 'Tor Gold' 3 1958-2013 White Flower Farm Spiraea betulifolia var. aemiliana 9 34-1999 Hortus Bot. Arct-Alpinus Spiraea betulifolia var. aemiliana 29 694-1999 Darthuizer Vademecum Spiraea betulifolia var. corymbosa 7 1198-2012 Morton Arboretum Spiraea betulifolia var. corymbosa 33 1618-1992 Korean Expedition, 1990 Spiraea betulifolia var. lucida 5 1218-2018 Dancing Oaks Nursery Spiraea betulifolia var. lucida 2 929-1989 ForestFarm Spiraea blumei 12 1199-2012 Morton Arboretum Spiraea bullata 'Crispa' 2 1668-2009 Ivan Watters Spiraea cantoniensis 'Double-Flowered Form' 1 3550-2017 Gotemba Noen Nursery Spiraea cantoniensis 'Gold Leaf' 1 3535-2017 Garden Kinosato Spiraea cantoniensis 'Variegata' 1 3526-2017 Gotemba Noen Nursery Spiraea chamaedryfolia 8 651-1984 Hortus Botanicus Faminianus Spiraea chamaedryfolia 4 809-1998 Russian MWPCC expedition 1993 - Siberia Spiraea chamaedryfolia x betulifolia 19 50-2005 Silva Tarouca Research Institute Samara State Univ. Botanical Garden Spiraea crenata 2 51-2005 Spiraea crenata 14 688-2017 National Arboretum Spiraea 'Darsnorm' 12 1213-2005 Spring Meadow Nurseries Spiraea 'Darsnorm' 7 54-2005 Spring Meadow Nurseries Spiraea decumbens 10 227-2003 Silva Tarouca Research Institute Spiraea densiflora 6 224-1999 Hortus Bot. Arct-Alpinus Spiraea densiflora 5 82-1999 Hortus Bot. Arct-Alpinus Spiraea douglasii 1 2921-2010 Dr. James Ault Spiraea douglasii ssp. menziesii 15 2656-2018 Sea to Sky Gondola Spiraea fritschiana 10 1451-1993 Univ. of Minn. Landscape Arb. Spiraea fritschiana 8 1887-2002 NACPEC/Shanxi via Beijing Botanical Garden IBCAS Spiraea fritschiana 7 2922-2010 Dr. James Ault Spiraea fritschiana 4 367-2004 CBG Stock Spiraea fritschiana 14 618-2005 U.S.D.A. Ames, Iowa NC-7 Spiraea fritschiana 34 688-1989 Wavecrest Nursery Spiraea fritschiana 10 794-1998 Beaver Creek Nursery Spiraea fritschiana 'J.N. Select A' 4 007-2015 Morton Arboretum Spiraea fritschiana var. angulata 5 1200-2012 Morton Arboretum Spiraea fritschiana var. latifolia 18 1333-2007 PCC Northeast China 2007 Spiraea fritschiana var. parvifolia 13 340-2003 National Arboretum Spiraea fritschiana var. parvifolia 6 549-2013 Holden Arboretum Spiraea fritschiana var. parvifolia 18 814-1999 Holden Arboretum Spiraea fritschiana 'Wilma' 17 1214-2005 Spring Meadow Nurseries Spiraea fritschiana 'Wilma' 6 53-2005 Spring Meadow Nurseries Spiraea hypericifolia 13 1676-2010 Rep. of Georgia Expedition 2010 Spiraea hypericifolia 3 2930-2016 Plant Collecting Collaborative Rep of Georgia 2016 Spiraea japonica 17 1222-2004 Unknown Source Spiraea japonica 1 3556-2017 Andrew Bunting Spiraea japonica 14 627-1996 Hortus Botanicus Pekinensis Spiraea japonica 'Alpina' 2 1230-1979 Synnestvedt Spiraea japonica 'Alpina' 14 1354-2001 Iseli Nursery Spiraea japonica 'Alpina' 18 150-1995 Unknown Source Spiraea japonica 'Alpina' 6 166-2014 Mini Forest by Sky Spiraea japonica 'Alpina' 27 1774-2002 Iseli Nursery Spiraea japonica 'Anthony Waterer' 1 1216-2005 Spring Meadow Nurseries Spiraea japonica 'Anthony Waterer' 12 2923-2010 Dr. James Ault Spiraea japonica 'Bullata' 1 1068-2017 Far Reaches Farm, LLC Spiraea japonica 'Bullata' 5 1219-2018 Dancing Oaks Nursery Spiraea japonica 'Candlelight' 28 1355-2001 Briggs Nursery Spiraea japonica 'Candlelight' 2 2924-2010 Dr. James Ault Spiraea japonica 'Candlelight' 22 696-1999 Perryhill Nurseries Spiraea japonica 'Cantry Red' 8 49-2005 Adam Chodun Spiraea japonica 'Coccinea' 9 950-1987 Midwest Groundcovers Spiraea japonica 'Conalex' 12 2175-2017 Conard Pyle Company Spiraea japonica 'Conspiyet' 8 2174-2017 Conard Pyle Company Spiraea japonica 'Crispa' 16 132-1993 Lake County Nursery, Inc. Spiraea japonica 'Crispa' 10 2925-2010 Dr. James Ault Spiraea japonica 'Darts Red' 5 486-2006 Spring Meadow Nurseries Spiraea japonica 'Darts Red' 12 889-2007 Kankakee Nursery Spiraea japonica 'Denistar' 1 1631-2017 Bailey Nursery Spiraea japonica 'Dolchica' 3 2926-2010 Dr. James Ault Spiraea japonica 'Dolchica' 15 52-2005 NCSU Arboretum Spiraea japonica 'Everblooming' 18 138-1993 Lake County Nursery, Inc. Spiraea japonica 'Firelight' 2 817-1999 Briggs Nursery Spiraea japonica 'Flaming Mound' 20 1211-2005 Spring Meadow Nurseries Spiraea japonica 'Flowering Choice' 6 1160-2008 Bailey Nursery Spiraea japonica 'Froebelii' 6 149-2000 C.J. Fiore Nursery Spiraea japonica 'Froebelii' 26 1555-1982 Hook's Nursery Spiraea japonica 'Froebelii' 19 174-1988 Beeson's McHenry Nursery Spiraea japonica 'Froebelii' 2 2927-2010 Dr. James Ault Spiraea japonica 'Froebelii' 7 293-2007 Johnson's Nursery Inc. Spiraea japonica 'Froebelii' 24 3386-1973 Mount Arbor Nurseries Spiraea japonica 'Froebelii' 6 670-1997 C.J. Fiore Nursery Spiraea japonica 'Galen' 2 870-2013 White Flower Farm Spiraea japonica 'Gold 'n Rubies' 5 427-2014 Iseli Nursery Spiraea japonica 'Gold Rush' 18 984-2005 Beaver Creek Nursery Spiraea japonica 'Goldflame' 18 1013-1986 Bailey Nursery Spiraea japonica 'Goldflame' 26 2928-2010 Dr. James Ault Spiraea japonica 'Goldflame' 6 904-1987 Synnestvedt Spiraea japonica 'Goldflame' 24 952-1991 Klehm Plants Spiraea japonica 'Goldmound' 5 1000-1992 Klehm Plants Spiraea japonica 'Goldmound' 16 2929-2010 Dr. James Ault Spiraea japonica 'Goldmound' 13 363-2004 Bailey Nursery Spiraea japonica 'Gumball' 8 275-1993 Synnestvedt Spiraea japonica 'Gumball' 3 2930-2010 Dr. James Ault Spiraea japonica 'Gumball' 17 340-1996 C.J. Fiore Nursery Spiraea japonica 'KLMeleven' 8 241-2004 Beaver Creek Nursery Spiraea japonica 'KLMn' 22 979-2005 Beaver Creek Nursery Spiraea japonica 'KLMnine' 12 239-1-2004 Beaver Creek Nursery Spiraea japonica 'KLMnine' 4 249-2015 Beaver Creek Nursery Spiraea japonica 'KLMnine' 15 373-2013 Beaver Creek Nursery Spiraea japonica 'KLMO' 15 243-2004 Beaver Creek Nursery Spiraea japonica 'KLMten' 14 1184-1-2002 Beaver Creek Nursery Spiraea japonica 'KLMthirteen' 20 245-2004 Beaver Creek Nursery Spiraea japonica 'KLMthirteen' 14 372-2013 Beaver Creek Nursery Spiraea japonica 'KLMtwelve' 10 244-2004 Beaver Creek Nursery Spiraea japonica 'KLMtwenty' 9 240-2004 Beaver Creek Nursery Spiraea japonica 'Lemon Princess' 12 485-2006 Spring Meadow Nurseries Spiraea japonica 'Lisp' 5 364-2004 Bailey Nursery Spiraea japonica 'Little Princess' 11 2931-2010 Dr. James Ault Spiraea japonica 'Little Princess' 1 329-1993 Klehm Plants Spiraea japonica 'Little Princess' 1 4306-2010 CBG Illinois Best Plants Images Spiraea japonica 'Little Princess' 9 906-1987 Synnestvedt Spiraea japonica 'Little Princess' 10 981-1981 Mentor Heights Nursery Spiraea japonica 'Mertyann' 7 792-1998 D. Hill Nursery Company Spiraea japonica 'NCSX1' 8 1007-2018 Spring Meadow Nurseries Spiraea japonica 'NCSX2' 8 1013-2018 Spring Meadow Nurseries Spiraea japonica 'Neon Flash' 5 2932-2010 Dr. James Ault Spiraea japonica 'Neon Flash' 8 771-1991 Dr. Edward Hasselkus Spiraea japonica 'Neon Flash' 14 793-1998 Midwest Groundcovers Spiraea japonica 'Norman' 17 282-2004 Synnestvedt Spiraea japonica 'Norman' 9 905-1987 Synnestvedt Spiraea japonica 'Odensala' 6 151-2003 Bor Spiraea japonica 'Odensala' 18 337-2003 Zbyszek Wybicki Spiraea japonica 'Petite Pink' 25 242-2004 Beaver Creek Nursery Spiraea japonica 'Pruhoniciana' 28 1798-2002 Silva Tarouca Research Institute Spiraea japonica 'Rebun' 1 3540-2017 Ishiguro Momijen Nursery Spiraea japonica 'Shibori' 5 2933-2010 Dr. James Ault Spiraea japonica 'SMNSJMFR' 83 1755-2016 Midwest Groundcovers Spiraea japonica 'Sparkling Carpet' 12 223-2012 Bailey Nursery Spiraea japonica var. albiflora 9 2934-2010 Dr. James Ault Spiraea japonica var. albiflora 9 58-1988 Bailey Nursery Spiraea japonica 'Walbuma' 10 484-2006 Spring Meadow Nurseries Spiraea japonica