• Cleistes Rich. ex Lindl. 

      Karremans Lok, Adam Philip (2022)
      Description of Cleistes Rich. ex Lindl.
    • First description of the larva of Psaironeura, based on specimens of P. anegloi from Costa Rica (Odonata: Coenagrionidae: Protoneurinae), with a key to the genera of Central American Protoneurinae. 

      Román Heracleo, Jareth; Novelo Gutiérrez, Rodolfo; Springer Springer, Monika (2020)
      The larva of Psaironeura is formally described for the first time, based upon reared specimens of Psaironeura angeloi from the Tirimbina Biological Reserve, Sarapiquí, Heredia Province, Costa Rica. Detailed illustrations ...
    • Malaxis dressleriana: A new orchid species honoring a botanist for all seasons 

      Chinchilla Alvarado, Isler Fabián; Karremans Lok, Adam Philip; Blanco Coto, Mario Alberto (2023-08)
      The genus Malaxis Sol. ex Sw. comprises about 300 species, predominantly found in pantropical regions with a few in temperate areas of the Americas, Asia, and Europe. Mexico has the highest concentration, with 71 species, ...
    • Scaphosepalum Pfitzer 

      Karremans Lok, Adam Philip; Pupulin, Franco (2022)
      There are just over 50 species of Scaphosepalum Pfitzer recog- nized today. They are widely distributed from Mexico to Bolivia and the Guyana Shield, with the highest species diversity found in the northern Andes, especially ...
    • Specklinia Lindl. 

      Karremans Lok, Adam Philip; Pupulin, Franco (2022)
      Specklinia is a genus of 106 species in the Pleurothallidinae subtribe. Its members are distributed from Mexico, through Central America and the Antilles, to Bolivia and Brazil, with the highest species and phylogenetic ...
    • Stelis Swartz 

      Karremans Lok, Adam Philip; Rojas Alvarado, Gustavo (2022)
      Stelis Sw. is the most diverse genus in the Pleurothallidinae subtribe with over 1240 species recognized today. With 107 species recorded in Costa Rica, Stelis is rivaled in numbers only by Epidendrum L. and Lepanthes ...
    • Taxonomy in watercolor: the Specklinia endotrachys group, part 1 

      Pupulin, Franco; Karremans Lok, Adam Philip; Strigari, Sylvia (2013)
      In the last decade orchid systematics has focused especially on assessing evolutionary relationships among species and species groups, in an attempt to produce a solid phylogenetic framework for the family. While in general ...
    • Taxonomy in watercolor: the Specklinia endotrachys group, part 2 

      Pupulin, Franco; Karremans Lok, Adam Philip; Strigari, Sylvia (2013)
      in the last decade orchid systematics has focused especially on assessing evolutionary relationships among species and species groups, in an attempt to produce a solid phylogenetic framework for the family. While in general ...
    • Vanilla Mill. 

      Karremans Lok, Adam Philip (2022)
      Vanilla Mill. is one of the few truly Pantropical genera in the Orchidaceae. We currently recognize 120 species worldwide, with independent centers of diversity in the Neotropics (with 62 species), China, India and South ...