| "Glory of Donard" : a history of the Slieve Donard Nursery, County Down, with a catalogue of cultivators | Nelson, E. Charles | Monograph or Collective Volume | Northern Ireland Heritage Gardens Committee | 1993 |
| "My passion for trees",... John Foster's American grove | Nelson, E. Charles | Article in Journal | | 2012 |
| 'Mongst the green mossy banks and wild flowers | Nelson, E. Charles | Article in Journal | | 2008 |
| 'The Joys and the Riches O’Kathay'. Augustine Henry and the trees of China | Nelson, E. Charles | Article in Journal | | 1995 |
| 'When the swift appears, turn out the greenhouse' | Nelson, E. Charles | Article in Journal | | 2004 |
| A caricature of an Irish naturalist : Revd Dr William Richardson (1740-1820) | Nelson, E. Charles | Article in Journal | | 2000 |
| A Dundalk farmer's library in 1803 | Nelson, E. Charles | Article in Journal | | 1987 |
| A late eighteenth-century Society of Botany in Dublin | Nelson, E. Charles | Article in Journal | | 2016 |
| A life in shrubs | Nelson, E. Charles | Article in Journal | | 2007 |
| A man who can speak of plants : Dr Thomas Coulter (1793-1843) of Dundalk in Ireland, Mexico and Alta California | Nelson, E. CharlesProbert, Alan | Monograph or Collective Volume | E. Charles Nelson | 1994 |
| A painter at Kylemore. New Zealand born Muriel Dawson recorded the flowerw and birds of kylemore Abbey | Nelson, E. Charles | Article in Journal | | 2011 |
| A passion for Vireyas [Rhododendrons] | Nelson, E. Charles | Article in Journal | | 2009 |
| A quiet pursuit... a personal look back at Keith Lamb and his Woodfield Garden | Nelson, E. Charles | Article in Journal | | 2012 |
| A regal abode | Nelson, E. Charles | Article in Journal | | 2004 |
| A tale of two palm houses | Nelson, E. Charles | Article in Journal | | 2005 |
| Alice Jacob and her orchids... some historians she is best known for her superb designs for lace, while others affirm that she is famous for her botanical paintings | Nelson, E. Charles | Article in Journal | | 2012 |
| An 18th-century Irish herbal | Nelson, E. Charles | Article in Journal | | 2004 |
| An annotated bibliography of the Irish botanist William Henry Harvey (1811-1866) | Nelson, E. CharlesParnell, John | Article in Journal | | 2002 |
| An Irishman's cuttings : tales of Irish gardens and gardeners, plants and plant hunters | Nelson, E. Charles | Monograph or Collective Volume | Collins Press | 2009 |
| Blowing in the wind, Charles Nelson sings the praises of a little-known Victorian gardener from Howth | Nelson, E. Charles | Article in Journal | | 1994 |
| Botanical lace | Nelson, E. Charles | Article in Journal | | 2007 |
| Botany and Gardens in Early Modern Ireland | NA | Monograph or Collective Volume | Four Courts Press | 2022 |
| By the Palmiet river in Kogelberg ... a story with a Glasnevin connection | Nelson, E. Charles | Article in Journal | | 1999 |
| Charming views and sweet inequalities | Nelson, E. Charles | Article in Journal | | 2006 |
| Curious in everything : the career of Arthur Dobbs of Carrickfergus, 1689-1765 | | Monograph or Collective Volume | Carrickfergus and District Historical Society in association with Society for the History of Natural History | 1990 |
| Daisy Hill Nursery, Newry : a history of 'the most interesting nursery probably in the world' | Grills, AlanNelson, E. Charles | Monograph or Collective Volume | Northern Ireland Heritage Gardens Committee | 1998 |
| Daisy Hill's roses. In the early twentieth century a famous county Down nursery played a major part in bringing old roses back into fashion | Nelson, E. Charles | Article in Journal | | 2010 |
| Daniel Chambers Macreight FRCP, FLS (1799-1856), a little-known, innovative Irish botanist | Nelson, E. Charles | Article in Journal | | 2009 |
| Dear Mr Darwin | Nelson, E. Charles | Article in Journal | | 2005 |
| Donard delights | Nelson, E. Charles | Article in Journal | | 1993 |
| Dr O'Kelly, I presume? : Charles Nelson tells the tale of a Burren character and his plants | Nelson, E. Charles | Article in Journal | | 1998 |
| Dr William Hamilton (ca 1783-1856) botanist of Donegal and Plymouth | Nelson, E. Charles | Article in Journal | | 1994 |
| Emily Lawless and Charles Darwin : an Irish mystery | Nelson, E. Charles | Article in Journal | | 2016 |
| Every lady her own flower gardener... his collection of intriguing small gardening books | Nelson, E. Charles | Article in Journal | | 2012 |
| Excellent as the cedars | Nelson, E. Charles | Article in Journal | | 2006 |
| Ferns - the eighth joy of gardening | Nelson, E. Charles | Article in Journal | | 2007 |
| Floral gems from the Celestial Empire | Nelson, E. Charles | Article in Journal | | 2006 |
| Flowers of Mayo : Dr Patrick Browne's ‘Fasciculus plantarum Hiberniae' 1788 | Browne, PatrickNelson, E. CharlesWalsh, Wendy | Monograph or Collective Volume | Eamon de Burca | 1995 |
| Four exotic seedlings and a feather-flower bed | Nelson, E. Charles | Article in Journal | | 2008 |
| From Mayo to the Caribbean | Nelson, E. Charles | Article in Journal | | 1995 |
| From the Arctic to Belfast ... the story of plant-hunter Thomas Drummond | Nelson, E. Charles | Article in Journal | | 2000 |
| From the banks of the Erne to Botany Bay : John White, surgeon-general, N.S.W., Australia | Nelson, E. Charles | Article in Journal | | 1987 |
| Garden crime and some rather original murders | Nelson, E. Charles | Article in Journal | | 2006 |
| Gardening at Mitchelstown: John K’Eogh’s Botanalogia universalis Hibernica (Cork, 1735) | Nelson, E. Charles | Article in Book | | 2022 |
| Graham Stuart Thomas and Ireland's gardens | Nelson, E. Charles | Article in Journal | | 2003 |
| Hellen Rawdon - my booke | Nelson, E. Charles | Article in Journal | | 1987 |
| Historical Revision XXII. John White (c. 1756-1832), surgeon-general of New South Wales | Nelson, E. Charles | Article in Journal | | 1987 |
| In Praeger's Canarian footsteps | Nelson, E. Charles | Article in Journal | | 2002 |
| Intrepid travellers | Nelson, E. Charles | Article in Journal | | 2001 |
| Irish gardening and horticulture | | Monograph or Collective Volume | Royal Horticultural Society of Ireland | 1979 |
| Irish wild plants before 1690 | Nelson, E. Charles | Article in Book | | 2022 |
| James and Thomas Drummond : their Scottish origins and curatorships in Irish botanic gardens (ca.1808-ca.1831) | Nelson, E. Charles | Article in Journal | | 1990 |
| James Howe and the design for a parterre at Leyrath, Kilkenny | Nelson, E. Charles | Article in Journal | | 2003 |
| James Parsons Burkitt (1870-1959): activities and natural history of a renowned amateur ornithologist | Nelson, E. Charles | Article in Journal | | 2010 |
| James Townsend MacKay - Trinity College botanist | Nelson, E. Charles | Article in Journal | | 2003 |
| Mapping plant distribution patterns : two pioneering examples from Ireland published in the 1860s | Nelson, E. Charles | Article in Journal | | 1993 |
| Master Jon Gardener's herbs | Nelson, E. Charles | Article in Journal | | 2001 |
| Moira's Caribbean treasures... the story of an astonishing Irish garden of the 1600s... | Nelson, E. Charles | Article in Journal | | 2009 |
| Motoring after remarkable trees | Nelson, E. Charles | Article in Journal | | 2006 |
| Mount Usher, county Wicklow : its story in two books | Nelson, E. Charles | Article in Journal | | 1995 |
| Nickars and Hamburger beans | Nelson, E. Charles | Article in Journal | | 2004 |
| Niven's garden farm. Two very early photographs show the gardening operations of Ninian Niven at Drumcondra, Dublin in the 1860s | Nelson, E. Charles | Article in Journal | | 2011 |
| Obituaries. Evelyn Mary Booth, 1897-1988 | Nelson, E. CharlesScannell, Mary J.P. | Article in Journal | | 1992 |
| Of bees and flytraps : the natural history of Arthur Dobbs | Nelson, E. Charles | Article in Book | | 1990 |
| On the trail of the big cone pine. Charles Nelson follows the travels of a botanising doctor from Dundalk | Nelson, E. Charles | Article in Journal | | 1994 |
| Orchids for everyman and the Mullingar connection | Nelson, E. Charles | Article in Journal | | 1993 |
| Orchids of Glasnevin : an illustrated history of orchids in Ireland's National Botanic Gardens | Nelson, E. CharlesSayers, Brendan | Monograph or Collective Volume | Strawberry Tree | 2002 |
| Passion flowers and pampas grass ... John Tweedie's Argentinian legacy | Nelson, E. Charles | Article in Journal | | 2010 |
| Proceedings of the Natural History Society of Dublin volume 1 - title-pages and date of publication (1856) | Nelson, E. Charles | Article in Journal | | 2002 |
| Quakers in natural history & medicine in Ireland & Britain | | Monograph or Collective Volume | National Botanic Gardens, Glasnevin | 1996 |
| Rare and fashionable - and a tale of two earls | Nelson, E. Charles | Article in Journal | | 2005 |
| Recollecting Ireland’s flora: botanical information in the ‘Zoilomastix’ (c.1626) of Philip O’Sullivan Beare | Nelson, E. Charles | Article in Book | | 2022 |
| Rip van Winkle and the Cork connection | Nelson, E. Charles | Article in Journal | | 2000 |
| Rock gardens: how to make and maintain them ... Lewis Meredith's book on rock gardens remains fresh - and Meredith's own rock garden still survives near Bray, Co. Wicklow | Nelson, E. Charles | Article in Journal | | 2010 |
| Shadow among splendours : Lady Charlotte Wheeler-Cuffe's adventures among the flowers of Burma, 1897-1921 | Nelson, E. Charles | Monograph or Collective Volume | National Botanic Gardens | 2015 |
| Shamrock : botany and history of an Irish myth | Nelson, E. Charles | Monograph or Collective Volume | Boethius Press | 1991 |
| South Pacific islanders | Nelson, E. Charles | Article in Journal | | 2002 |
| The 'compleat and proper plant hunter' | Nelson, E. Charles | Article in Journal | | 2005 |
| The actor gardener and the art of bletting... the story of Cecil Monson, actor and garden writer | Nelson, E. Charles | Article in Journal | | 2009 |
| The admirable Mr Long ... the story of a noted iris grower and breeder | Nelson, E. Charles | Article in Journal | | 2010 |
| The amiable Burbidge | Nelson, E. Charles | Article in Journal | | 2006 |
| The Archbishop of Dublin's mistletoe | Nelson, E. Charles | Article in Journal | | 2007 |
| The botanical illustrations and art of George Victor du Noyer | Nelson, E. Charles | Article in Book | | 1995 |
| The brightest jewel : a history of the National Botanic Gardens, Glasnevin, Dublin | Nelson, E. Charles ; McCracken, E. M. | Monograph or Collective Volume | Boethius Press | 1987 |
| The Burren : a companion to the wildflowers of an Irish limestone wilderness | Nelson, E. Charles | Monograph or Collective Volume | Boethius Press and the Conservancy of the Burren | 1991 |
| The cause of the calamity : potato blight in Ireland, 1845-1847 and the role of the National Botanic Gardens, Glasnevin | Nelson, E. Charles | Monograph or Collective Volume | The Stationery Office | 1995 |
| The cause of the calamity : the discovery of the potato blight in Ireland, 1845-1847, and the role of the National Botanic Gardens, Glasnevin, Dublin | Nelson, E. Charles | Article in Book | | 1995 |
| The greatest rarities in Flora's cabinet | Nelson, E. Charles | Article in Journal | | 2009 |
| The Killarney fern | Nelson, E. Charles | Article in Journal | | 2001 |
| The lady in black. In the late nineteenth century a gardener from Gorey, county Wexford was well-known in horticultural circles | Nelson, E. Charles | Article in Journal | | 2011 |
| The last rose of summer | Nelson, E. Charles | Article in Journal | | 2000 |
| The Moores of Willbrook : Charles Nelson remembers a famous gardening couple | Nelson, E. Charles | Article in Journal | | 1997 |
| The ornithological observations of James Parsons Burkitt in County Fermanagh, Northern Ireland | Haffer, JürgenNelson, E. Charles | Article in Journal | | 2009 |
| The Physic Garden at Trinity College, Dublin, in the early eighteenth century | Nelson, E. Charles | Article in Book | | 2022 |
| The Porters and their passion | Nelson, E. Charles | Article in Journal | | 2007 |
| The prettiest orangery in the world | Nelson, E. Charles | Article in Journal | | 2008 |
| The rich bachelor and Molly the witch | Nelson, E. Charles | Article in Journal | | 2002 |
| The Shan lily | Nelson, E. Charles | Article in Journal | | 2002 |
| The Ulsterman, the Londoner and a very sensitive plant | Nelson, E. Charles | Article in Journal | | 2003 |
| The Wheeler-Cuffe Archive National Botanic Gardens, Glasnevin, Dublin 1 : papers about a Burmese serow and Kilkenny during the civil war | Nelson, E. Charles | Article in Journal | | 2004 |
| Three centuries in Irish botanical gardens : an epitome and a bibliography | Nelson, E. Charles | Article in Journal | | 1989 |
| Trinity's miner-botanist : Dr Thomas Coulter (1793-1843) | Nelson, E. Charles | Article in Journal | | 1988 |
| Two hundred years on... | Nelson, E. Charles | Article in Journal | | 2004 |
| Two ladies of a golden age | Nelson, E. Charles | Article in Journal | | 2008 |
| Waving handkerchiefs | Nelson, E. Charles | Article in Journal | | 2001 |
| Wendy Walsh : a lifetime of painting | Nelson, E. CharlesWalsh, WendyWilkinson, Nick | Monograph or Collective Volume | Strawberry Tree | 2007 |
| Wilde flowers and the importance of growing orchids... the story of Oscar Wilde's gardening credentials | Nelson, E. Charles | Article in Journal | | 2012 |
| William Robinson and the wild gardens of Ireland ... Ireland's influence on thegardening ideas of its famous native son | Nelson, E. Charles | Article in Journal | | 2010 |
| William Robinson in North America | Nelson, E. Charles | Article in Journal | | 2003 |