Species Floral unit l w h V Inflorescence V (mm3) Sources
Acer spicatum inflorescence 2.0 2.0 3.0 9.42 1649 (Sullivan 1983)
Achillea millefolium inflorescence 6.0 6.0 3.4 96.1 1442 Measured; https://nature.ca/aaflora; http://www.efloras.org
Actaea pachypoda inflorescence 2.0 2.0 5.0 15.7 298 (Pellmyr 1985); http://plants.jstor.org; http://www.illinoiswildflowers.info
Agrimonia gryposepala flower 5.0 5.0 5.0 98.2 http://plants.jstor.org
Anthemis arvensis capitulum 6.2 6.2 6.4 226 Measured
Asclepias syriaca inflorescence 2.0 2.0 2.0 6.28 126 Measured
Asparagus officinalis flower 1.2 1.2 4.8 6.13 Measured
Barbarea vulgaris inflorescence 1.0 1.0 2.0 1.57 12.6 Measured; http://www.discoverlife.org
Capsella bursa-pastoris inflorescence 2.0 2.0 2.0 6.28 37.7 (Nave et al. 2016); http://www.efloras.org; http://www.discoverlife.org
Cardamine bulbosa flower 1.8 1.8 1.0 2.98 Measured
Cardamine diphylla flower 2.0 2.8 7.0 29.5 Measured
Centaurea sp. capitulum 8.0 8.0 22.0 1143 Measured
Cerastium fontanum flower 1.0 1.0 3.6 2.83 Measured
Chelidonium sp. flower 5.0 5.0 8.0 157 (Kang et al. 1991); http://plants.jstor.org
Cichorium intybus capitulum 4.6 4.6 9.4 161 Measured
Citrullus lanatus flower 5.0 5.0 5.2 102 Measured
Coptis trifolia flower 7.6 7.6 4.2 197 Measured
Cornus canadensis flower 7.8 7.8 4.0 193 Measured
Cornus sericea inflorescence 1.0 1.0 5.4 4.24 106 Measured; http://www.discoverlife.org
Cucumis melo flower 7.5 7.5 4.5 199 http://www.efloras.org
Cucumis sativus flower 2.0 2.0 6.2 19.5 Measured
Cucurbita pepo (female zucchini) flower 10.2 10.2 16.6 1353 Measured
Cucurbita pepo (male zucchini) flower 8.4 8.4 16.0 934 Measured
Cucurbita pepo (zucchini) flower 9.3 9.3 16.3 1107 Measured
Cucurbita sp. (female squash) flower 13.8 13.8 19.8 3091 Measured
Cucurbita sp. (male squash) flower 10.4 8.4 15.8 1127 Measured
Cucurbita sp. (squash) flower 12.1 11.1 17.8 1878 Measured
Cucurbita spp. flower 10.7 10.2 17.1 1461 Measured
Cucurbita spp. (female) flower 12.0 12.0 18.2 2058 Measured
Cucurbita spp. (male) flower 9.4 8.4 15.9 986 Measured
Daucus carota inflorescence 2.0 2.0 1.0 3.14 358 Measured; (Sivinski et al. 2011)
Echium vulgare flower 2.4 3.8 9.2 65.5 Measured
Erigeron canadensis inflorescence 1.0 1.0 3.0 2.36 1275 Measured
Erigeron philadelphicus capitulum 7.6 7.6 3.4 157 Measured
Erigeron sp. capitulum 3.55 3.55 12.6 52.5 Measured
Erysimum cheiranthoides inflorescence 1.0 1.0 3.0 2.36 18.8 (Idris and Grafius 1995); http://www.discoverlife.org
Erythronium americanum flower 3.0 3.0 11.0 77.8 Measured
Euthamia graminifolia inflorescence 1.0 1.0 1.0 0.79 20.4 (Harder 1985); http://plants.jstor.org
Fagopyrum esculentum inflorescence 2.0 2.0 2.0 6.28 980 (Cawoy et al. 2006, 2009)
Fragaria × ananassa flower 7.8 7.8 6.2 304 Measured
Fragaria virginiana flower 3.0 3.0 2.4 26.4 Measured
Galinsoga quadriradiata capitulum 2.0 2.0 2.0 0.01 (Warwick and Sweet 1983)
Galium mollugo inflorescence 1.0 1.0 1.0 0.79 14.1 https://weedecology.css.cornell.edu; http://www.discoverlife.org
Galium palustre inflorescence 1.0 1.0 1.0 0.79 5.50 https://weedecology.css.cornell.edu; http://www.luontoportti.com
Geum aleppicum flower 6.0 6.0 8.0 226 http://symbiota.math.wisc.edu
Glechoma hederacea flower 1.0 1.0 9.8 7.70 Measured
Helianthus annuus capitulum 35.4 35.4 20.7 27435 Measured
Hieracium caespitosum capitulum 7.4 7.4 3.4 153 Measured
Hieracium pilosella capitulum 10.4 10.4 6.4 538 Measured
Lactuca sp. capitulum 2.0 2.0 3.0 9.42 http://www.naturemanitoba.ca
Leucanthemum vulgare capitulum 10.5 10.5 3.5 311 Measured
Linaria vulgaris flower 2.4 1.0 20.6 39.1 Measured
Lotus corniculatus flower 4.73 4.73 12.0 211 http://ucjeps.berkeley.edu/eflora
Maianthemum canadense inflorescence 1.0 1.0 1.0 0.79 14.9 http://plants.jstor.org
Malus pumila flower 9.2 9.4 9.8 674 Measured
Malva neglecta flower 1.9 1.9 4.25 12.0 (Nave et al. 2016)
Medicago lupulina inflorescence 1.0 1.0 1.0 0.79 11.8 Measured; http://www.efloras.org
Medicago sativa inflorescence 1.0 1.0 5.0 3.93 68.7 Measured; (Winkler et al. 2009); http://www.efloras.org
Mitella diphylla flower 1.0 1.0 3.0 2.36 Measured
Oenothera biennis flower 1.0 1.0 6.4 5.03 Measured
Oxalis stricta flower 1.0 1.0 3.5 2.75 Measured
Phaseolus vulgaris flower 2.8 2.8 7.6 48.2 Measured
Physalis heterophylla flower 2.8 2.8 9.0 58.1 Measured
Plantago lanceolata inflorescence 1.0 1.0 2.0 6.28 452 (Cavers et al. 1980, Van Damme 1984)
Potentilla argentea flower 2.4 2.4 1.2 6.13 Measured
Prunella vulgaris flower 1.2 1.6 7.0 11.2 Measured
Ranunculus acris flower 5.8 5.8 2.8 80.9 Measured
Ranunculus recurvatus flower 1.6 1.6 2.6 6.28 Measured
Rubus allegheniensis flower 11.6 11.6 4.6 489 Measured
Rubus sp. (raspberry) flower 6.4 6.4 6.0 202 Measured
Rudbeckia hirta capitulum 15.0 15.0 3.6 636 http://www.efloras.org
Silene vulgaris flower 3.2 3.2 15.6 133 Measured
Sisyrinchium montanum flower 1.0 1.0 4.5 3.53 Measured
Solanum tuberosum flower 2.8 2.8 9.0 57.3 Measured
Solidago canadensis inflorescence 1.0 1.0 1.0 0.79 26.7 Measured; (Harder 1985)
Solidago sp. inflorescence 1.0 1.0 1.0 0.79 26.7 Measured; (Harder 1985)
Sonchus arvensis capitulum 10.5 10.5 22 1905 (Lemna and Messersmith 1990)
Symphotrichum lanceolatum capitulum 4.0 4.0 6.0 75.4 (Chmielewski and Semple 2001)
Taraxacum agg. capitulum 19.6 19.6 8.4 3050 Measured
Trifolium aureum inflorescence 1.0 1.0 7.0 5.50 179 http://www.efloras.org
Trifolium pratense inflorescence 1.0 1.0 11.0 8.64 432 (Winkler et al. 2009); http://www.efloras.org
Trifolium repens inflorescence 1.0 1.0 2.0 1.57 55.0 (Nave et al. 2016); http://www.efloras.org
Trillium erectum flower 8.0 8.0 9.0 452 http://www.efloras.org
Trillium grandiflorum flower 5.4 5.6 11.0 292 Measured
Verbena hastata inflorescence 1.0 1.0 2.0 1.57 8.80 Measured
Veronica serpyllifolia flower 1.0 1.0 1.13 0.88 Measured
Veronica sp. flower 1.04 1.04 1.04 0.88 Measured
Vicia cracca inflorescence 3.0 3.0 6.2 43.8 1972 Measured; http://linnet.geog.ubc.ca/Atlas
Viola pubescens flower 1.0 1.0 4.5 3.53 Measured