1. Systematics and conservation of British and Irish orchids: a "state of the union" assessment to accompany Atlas 2020

   • Richard M. Bateman

   Review Open access 26 May 2022 Pages: 355 - 402

   

2. Taxonomic revision of Saxicolella (Podostemaceae), African waterfall plants highly threatened by Hydro-Electric projects

   • Martin Cheek
   • Denise Molmou
   • Jean-Paul Ghogue

   Original Article Open access 30 May 2022 Pages: 403 - 433

   

3. Vepris onanae (Rutaceae), a new Critically Endangered cloud-forest tree species, and the endemic plant species of Bali Ngemba Forest Reserve, Bamenda Highlands Cameroon

   • Martin Cheek
   • Sebastian Hatt
   • Jean Michel Onana

   Original Article Open access 16 May 2022 Pages: 435 - 449

   

4. Two new species of Arctotis (Asteraceae: Arctotideae) from the Namaqualand Sandveld Bioregion, South Africa and reappraisal of the identity of Arctotis melanocycla

   • Robert J. McKenzie

   Original Article 09 June 2022 Pages: 451 - 474

   

5. Two new species of Barleria (Acanthaceae) from the Soutpansberg of Limpopo Province, South Africa

   • Iain Darbyshire
   • Kevin Balkwill
   • Willem Froneman

   Original Article Open access 14 May 2022 Pages: 475 - 489

   

6. Begonia gregaria, a new species of Begonia sect. Quadrilobaria (Begoniaceae) from Northwest Madagascar

   • David Scherberich
   • Martine Bardot-Vaucoulon

   Original Article 24 May 2022 Pages: 491 - 495

   

7. Tetrathylacium vraem (Salicaceae), a new remarkable tree from the highly threatened forest in the southern Peruvian Amazon

   • Isau Huamantupa-Chuquimaco
   • Miguel Luza-Vitorio
   • Madeleine Méndez Estrada

   Original Article 27 May 2022 Pages: 497 - 503

   

8. Hiding behind the rocks: rediscovery of Connarus beyrichii (Connaraceae), an endangered species endemic to montane outcrops of southeast Brazil

   • Cássio A. P. Toledo
   • Eve J. Lucas
   • Vinicius Castro Souza

   Original Article 13 May 2022 Pages: 505 - 511

   

9. First records of Curarea (Menispermaceae) in Southeastern Brazil

   • Pablo Fernando Feliz
   • Thiago Fernandes
   • João Marcelo Alvarenga Braga

   Original Article 26 May 2022 Pages: 513 - 519

   

10. Strobilanthes Blume (Acanthaceae) in Myanmar, a new species and an updated checklist

    • John R. I. Wood
    • Mu Mu Aung
    • Kate E. Armstrong

    Original Article Open access 15 June 2022 Pages: 521 - 539

    

11. A revision of Alpinia sect. Myriocrater (Zingiberaceae) of the Philippines with a description of a new species

    • Rudolph Valentino A. Docot
    • Cecilia I. Banag-Moran
    • Danilo N. Tandang

    Original Article 27 May 2022 Pages: 541 - 553

    

12. A taxonomic revision of Santisukia Brummitt (Bignoniaceae) in Thailand

    • Nattanon Meeprom
    • Chatchai Ngernsaengsaruay
    • Weereesa Boonthasak

    Original Article 03 June 2022 Pages: 555 - 567

    

13. Studies in Asian Nervilia (Orchidaceae) VIII: N. hemratii, another new member of section Linervia from Thailand

    • Stephan W. Gale
    • Naiyana Tetsana
    • Somran Suddee

    Original Article 14 May 2022 Pages: 569 - 574

    

14. Fraxinus schiedeana is the correct name for Fraxinus dubia (Willd. ex Schult. & Schult.f.) P.S.Green & M.Nee, nom. illeg. (Oleaceae)

    • L. Rasingam
    • K. Karthigeyan

    Short Communication 30 May 2022 Pages: 575 - 576

15. Amischotolype neoscandens, a new name for A. scandens (Commelinaceae)

    • Muhammad Idrees

    Short Communication 19 May 2022 Pages: 577 - 578

16. Book Review

    BookReview 28 June 2022 Pages: 579 - 581