| Flowering, sex ratios, pollen‐ovule ratios, fruit set, and reproductive effort of a dioecious tree, Myristica insipida (Myristicaceae), in two different rain forest communities JE Armstrong, AK Irvine American Journal of Botany 76 (1), 74-85, 1989 | 190 | 1989 |
| A reappraisal of the status of introductory biology laboratory education in US colleges & universities MD Sundberg, JE Armstrong, EW Wischusen The American Biology Teacher 67 (9), 525-529, 2005 | 170 | 2005 |
| The ecology and biology of Panax quinquefolium L.(Araliaceae) in Illinois RC Anderson, JS Fralish, JE Armstrong, PK Benjamin American Midland Naturalist, 357-372, 1993 | 112 | 1993 |
| Floral biology of Myristica insipida (Myristicaceae), a distinctive beetle pollination syndrome JE Armstrong, AK Irvine American Journal of Botany 76 (1), 86-94, 1989 | 91 | 1989 |
| Functions of staminodia in the beetle-pollinated flowers of Eupomatia laurina JE Armstrong, AK Irvine Biotropica 22 (4), 429-431, 1990 | 80 | 1990 |
| Floral biology of Myristica fragrans Houtt.(Myristicaceae), the nutmeg of commerce JE Armstrong, BA Drummond III Biotropica, 32-38, 1986 | 80 | 1986 |
| Beetle pollination in tropical forests of Australia AK Irvine, JE Armstrong Reproductive ecology of tropical forest plants 7, 135-149, 1990 | 64 | 1990 |
| The delimitation of Bignoniaceae and Scrophulariaceae based on floral anatomy, and the placement of problem genera JE Armstrong American Journal of Botany 72 (5), 755-766, 1985 | 62 | 1985 |
| Pollination by deceit in nutmeg (Myristica insipida, Myristicaceae): floral displays and beetle activity at male and female trees JE Armstrong American Journal of Botany 84 (9), 1266-1274, 1997 | 56 | 1997 |
| A macroscopic and microscopic study of compartmentalization and wound closure after mechanical wounding of black walnut trees JE Armstrong, AL Shigo, DT Funk, EA McGinnes, DE Smith Wood and Fiber Science, 275-291, 1981 | 54 | 1981 |
| The status of laboratory instruction for introductory biology in US universities MD Sundberg, JE Armstrong The American Biology Teacher 55 (3), 144-146, 1993 | 50 | 1993 |
| Resource limitation and the role of a hemiparasite on a restored prairie VA Borowicz, JE Armstrong Oecologia 169, 783-792, 2012 | 47 | 2012 |
| Floral biology of Hornstedtia scottiana (Zingiberaceae) in a lowland rain forest of Australia A Ippolito, JE Armstrong Biotropica, 281-289, 1993 | 43 | 1993 |
| Floral development in Myristica (Myristicaceae) JE Armstrong, SC Tucker American Journal of Botany 73 (8), 1131-1143, 1986 | 43 | 1986 |
| Ontogenetic reorganization of the root meristem in the Compositae JE Armstrong, C Heimsch American Journal of Botany 63 (2), 212-219, 1976 | 42 | 1976 |
| The ontogenetic basis for corolla aestivation in Scrophulariaceae JE Armstrong, AW Douglas Bulletin of the Torrey Botanical Club, 378-389, 1989 | 41 | 1989 |
| Some practical tips for instituting investigative biology laboratories MD Sunberg, JE Armstrong, ML Dini, EW Wischusen Journal of College Science Teaching 29 (5), 353, 2000 | 38 | 2000 |
| Floral development and floral phyllotaxis in Anaxagorea (Annonaceae) PK Endress, JE Armstrong Annals of Botany 108 (5), 835-845, 2011 | 34 | 2011 |
| Interactions between a hemiparasitic plant, Pedicularis canadensis L.(Orobanchaceae), and members of a tallgrass prairie community1 AM Hedberg, VA Borowicz, JE Armstrong The Journal of the Torrey Botanical Society 132 (3), 401-410, 2005 | 34 | 2005 |
| Floral herbivory, floral phenology, visitation rate, and fruit set in Anaxagorea crassipetala (Annonaceae), a lowland rain forest tree of Costa Rica JE Armstrong, D Marsh Journal of the Torrey Botanical Society, 228-235, 1997 | 34 | 1997 |
