64.) ACANTHACEAE to VERBENACEAE

Acanthus mollis L. (Bear's-breach) / General
Acanthus spinosus L. (Spiny Bear's-breach) - General - [found in Felton near Bristol Airport in 2025 by I.P. Green. (Nature in Avon 2025, p. 193).]
Pinguicula vulgaris L. (Common Butterwort) 1875 Wetland
Utricularia vulgaris L. (Greater Bladderwort) - Wetland
Verbena officinalis L. (var. officinalis - Kew) (Vervain) / General
Verbena rigida Spreng. (Slender Vervain) 1980 General
Verbena tenera Spreng. (Kew, EDIT) Glandularia tenera (Spreng.) Cabrera (GBIF) (Latin American Mock Vervain - GBIF) 1932 General

Species to add:

Catalpa bignonioides Walter (Indian Bean-tree)
Utricularia australis (Bladderwort) - 1 record according to NBN, BSBI - recorded South of the region at Shapwick Moor by Mr. D. Fry (9th Sep, 1902) Brist. Fl.
Utricularia intermedia (Intermediate Bladderwort) - Brist. Fl. White recorded it from Clapton Moor in 1894 but it was never confirmed. It could potentially have been U. stygia (Nordic Bladderwort) or U. ochroleuca (Pale Bladderwort)
Utricularia minor (Lesser Bladderwort) - 1 record according to NBN and another just South of the region. In the past it was abundant in ditches on Clapton, Weston and Kenn Moor's Brist. Fl.
Verbena supina L. (Supine Vervain - GBIF) - [Glos. Fl.]
Verbena bonariensis L. (Argentine Vervain) [its hard to imagine this is only a recent addition the British gardens considering its popularity. It escapes everywhere!]

Species added by me:

Thunbergia alata (Black-eyed Susan Vine)
Verbena officinalis L. var. grandiflora ‘Bampton’ (Vervain 'Bampton')
Verbena incompta P.W. Michael (Purpletop Vervain)

Vervain 'Bampton' - Verbena officinalis var. grandiflora ‘Bampton’ A distinctive plant with purple foliage and pink flowers. Increasingly popular in gardens and sometimes escaping and becoming more or less naturalised on block paving, pavements and kerbsides. First discovered in Bristol in 2022 by D. Peters.