| Linaria repens | GB, VC14 East Sussex, Wannock | Benjamin Thompson Lowne jnr | Benjamin Thompson Lowne jnr | 7/9/1952 | K |
| Mentha suaveolens | GB, VC13 West Sussex, Aldsworth | Benjamin Thompson Lowne jnr | Benjamin Thompson Lowne jnr | 23/8/1952 | K |
| Orchis ustulata | GB, VC14 East Sussex, Mount Caburn | Benjamin Thompson Lowne jnr | | 25/5/1952 | K |
| Satureja montana | GB, VC13 West Sussex, Worthing Cultivated | Benjamin Thompson Lowne jnr | Benjamin Thompson Lowne jnr | 21/8/1951 | K |
| Digitalis grandiflora | | | Benjamin Thompson Lowne jnr | 5/6/1951 20/6/1957 | K |
| Melittis melissophyllum | GB, VC13 West Sussex, Lower Beeding | Benjamin Thompson Lowne jnr | Benjamin Thompson Lowne jnr | 9/9/1950 | K |
| Mentha suaveolens | GB, VC13 West Sussex, Worthing Cultivated | Benjamin Thompson Lowne jnr | Benjamin Thompson Lowne jnr | 29/7/1950 | K |
| Teucrium chamaedrys | GB, VC14 East Sussex, Camber Castle | Benjamin Thompson Lowne jnr | Benjamin Thompson Lowne jnr | 8/7/1950 | K |
| Viola lactea | Cultivated | | Benjamin Thompson Lowne jnr | 1950 | K |
| Kickxia spuria | GB, VC13 West Sussex, Edburton | Benjamin Thompson Lowne jnr | | 4/8/1949 | K |
| Thymus chamaedrys | GB, VC13 West Sussex, Bow Hill | Henry Dixon Hewitt | Benjamin Thompson Lowne jnr | 20/9/1948 | K |
| Thymus chamaedrys | GB, VC13 West Sussex, Lavant | Henry Dixon Hewitt | Benjamin Thompson Lowne jnr | 20/9/1948 | K |
| Linaria genistifolia subsp. dalmatica | GB, VC13 West Sussex, Worthing Cultivated | Benjamin Thompson Lowne jnr | Benjamin Thompson Lowne jnr | 31/8/1948 | K |
| Clinopodium menthifolium | GB, VC13 West Sussex, Worthing Cultivated GB, VC17 Surrey, Haslemere Cultivated | | Benjamin Thompson Lowne jnr | 31/7/1948 | K |
| Antirrhinum majus | Cultivated | Benjamin Thompson Lowne jnr | | 22/3/1948 | K |
| Digitalis lutea | GB, VC17 Surrey, Box Hill | Brenda E Hains | Benjamin Thompson Lowne jnr | 8/7/1947 | K |
| Carex ericetorum | GB, VC28 West Norfolk, Thetford | Henry Dixon Hewitt | Benjamin Thompson Lowne jnr | 1/6/1947 | K |
| Ajuga reptans | Cultivated | Benjamin Thompson Lowne jnr | Benjamin Thompson Lowne jnr | 6/5/1947 | K |
| Ajuga reptans | | Benjamin Thompson Lowne jnr | | 18/4/1947 | K |
| Clinopodium ascendens | GB, VC13 West Sussex, Sompting | Benjamin Thompson Lowne jnr | | 25/8/1946 | K |
| Veronica filiformis | GB, VC13 West Sussex, Arundel | Benjamin Thompson Lowne jnr | Benjamin Thompson Lowne jnr | 30/7/1946 | K |
| Verbascum densiflorum | GB, VC13 West Sussex, Worthing | Benjamin Thompson Lowne jnr | Benjamin Thompson Lowne jnr | 24/7/1946 | K |
| Antirrhinum majus | GB, VC13 West Sussex, Worthing | Benjamin Thompson Lowne jnr | Benjamin Thompson Lowne jnr | 23/7/1946 | K |
| Veronica | GB, VC13 West Sussex, Worthing | Benjamin Thompson Lowne jnr | Benjamin Thompson Lowne jnr | 23/7/1946 | K |
| Herminium monorchis | GB, VC13 West Sussex, Chanctonbury Ring | Benjamin Thompson Lowne jnr | | 12/7/1946 | K |
| Scleranthus annuus | Cultivated | Benjamin Thompson Lowne jnr | | 2/7/1946 2/8/1946 to 26/10/1946 | K |
| Aceras anthropophorum | GB, VC13 West Sussex, Parham | Dean | Benjamin Thompson Lowne jnr | 15/6/1946 | K |
| Ajuga reptans | | Benjamin Thompson Lowne jnr | Benjamin Thompson Lowne jnr | 21/5/1946 | K |
| Ajuga reptans | | | Benjamin Thompson Lowne jnr | 11/4/1946 | K |
| Ajuga reptans | | | Benjamin Thompson Lowne jnr | 10/10/1945 | K |
| Cuscuta epithymum | GB, VC27 East Norfolk, Diss | Richard Pearse Libbey | Benjamin Thompson Lowne jnr | 22/9/1945 | K |
| Ajuga reptans | | Benjamin Thompson Lowne jnr | Benjamin Thompson Lowne jnr | 8/9/1945 | K |
| Erinus alpinus | Cultivated | Benjamin Thompson Lowne jnr | Benjamin Thompson Lowne jnr | 20/5/1945 | K |
| Kickxia spuria | Cultivated | | Benjamin Thompson Lowne jnr | 25/4/1945 26/5/1945 8/6/1945 | K |
| Teucrium scorodonia | | | Benjamin Thompson Lowne jnr | 30/8/1944 | K |
| Festuca arundinacea | GB, VC13 West Sussex, Fishbourne | | Benjamin Thompson Lowne jnr | 14/7/1944 | K |
| Plantago lanceolata | GB, VC28 West Norfolk, Santon Warren | Henry Dixon Hewitt | Benjamin Thompson Lowne jnr | 8/7/1944 | K |
| Plantago arenaria | GB, VC13 West Sussex, Worthing | Benjamin Thompson Lowne jnr | Benjamin Thompson Lowne jnr | 25/5/1944 | K |
| Cuscuta epithymum | Cultivated | Benjamin Thompson Lowne jnr | | 8/5/1944 to 21/5/1944 | K |
| Teucrium scorodonia | | | Benjamin Thompson Lowne jnr | 6/5/1944 | K |