 | "Clematis 'Bill MacKenzie'". RHS. Retrieved 12 February 2020. "Clematis 'Blekitny Aniol'". RHS. Retrieved 12 February 2020. "Clematis 'Broughton Star'". RHS... 24 KB (1,039 words) - 16:40, 21 March 2022 |
| "Clematis 'Bill MacKenzie'". RHS. Retrieved 12 February 2020. "Clematis 'Blekitny Aniol'". RHS. Retrieved 12 February 2020. "Clematis 'Broughton Star'". RHS... 24 KB (1,039 words) - 16:40, 21 March 2022 |