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Two new cauliflorous species of Aristolochia subseries Anthocaulicae (Aristolochiaceae) from southern Central America
(2022)
Two new cauliflorous species of Aristolochia subseries Anthocaulicae from southern Central America are described and illustrated. Aristolochia guanacastensis from northwestern Costa Rica resembles A. ruiziana, from which ...
Ricciocarpos natans (Marchantiophyta, Ricciaceae), new to Costa Rica, with a survey of its presence in Latin America
Ricciocarpos natans (Marchantiophyta, Ricciaceae), nueva para Costa Rica, con una revisión de su presencia en América Latina
(2023-03-22)
Background and Aims: Ricciocarpos natans is one of the few species of truly aquatic hepatics. It has a subcosmopolitan distribution and appears to be more common in temperate areas. The species has been considered to be ...
A comparison of Monstera deliciosa and M. tacanaensis, with comments on Monstera section Tornelia (Araceae)
(2020)
Monstera deliciosa, one of the most commonly cultivated aroids, is a morphologically variable species and has traditionally been considered native to southern Mexico, Guatemala, Costa Rica and Panama. We demonstrate that ...
Obituary: William Mark Whitten (1954−2019)
(2019)
On April 11, 2019, Dr. William Mark Whitten,
a prolific neotropical orchid biologist passed away
unexpectedly. He leaves an extensive corpus of work
focused on (but not limited to) orchid pollination
and systematics, ...
Revisión taxonómica del género Rubus L. (Rosaceae) en Costa Rica y Panamá
(2018)
En el primer capítulo se realiza una revisión taxonómica del género Rubus en Costa Rica y Panamá, para lograr una identificación más precisa, determinar el número de especies, reconocer las especies nativas e introducidas, ...
Mormodes salazarii (Orchidaceae, Catasetinae), a new species with greenish-white flowers from Costa Rica
(2016)
Mormodes salazarii (Orchidaceae, Catasetinae), a new species apparently endemic to Costa Rica, is described and illustrated. It is similar to M. fractiflexa because of its non-resupinate flowers, entire lip and revolute ...
Preliminary molecular phylogenetics of Sobralia and relatives (Orchidaceae: Sobralieae)
(2011-12)
With over 200 species, the orchid tribe Sobralieae is a major constituent of the Neotropical flora. As currently circumscribed, the tribe includes four genera: Elleanthus, Epilyna, Sertifera, and Sobralia. Most
species ...
Notes on the distribution of Brasenia schreberi (Cabombaceae) in the Neotropics, with a new country record for Costa Rica
Notas sobre la distribución de Brasenia schreberi (Cabombaceae) en el Neotrópico, con un nuevo registro para Costa Rica
(2021)
We studied herbarium specimens of Brasenia schreberi from the Neotropics in order to describe the distribution pattern of the species across the region. Also, we report the first records of B. schreberi for Costa Rica. We ...
Duckweeds (Araceae: Lemnoideae) growing on wet, vertical rocks behind a waterfall in Costa Rica, with a new country record of Wolffiella oblonga (Phil.) Hegelm.
Lentilles d’eau (Araceae: Lemnoideae) poussant sur des rochers verticaux et humides derrière une cascade au Costa Rica, avec un nouvel enregistrement pour le pays de Wolffiella oblonga (Phil.) Hegelm.
(2019)
A large colony of duckweeds (Araceae: Lemnoideae) grows on the constantly wet, vertical wall of the rock shelter behind the Llanos de Cortés waterfall of the Potrero River, Guanacaste province, Costa Rica, the first such ...
Three new species and a new record of Monstera Adans. sect. Marcgraviopsis Madison (Araceae: Monsteroideae: Monstereae) from the Caribbean watershed in Costa Rica and Panama
(2023-10-10)
Three new species from Monstera sect. Marcgraviopsis, M. caribaea M.Cedeño, O.Ortiz & A.Hay, M. lamersiana M.Cedeño & A.Hay and M. panamensis M.Cedeño & O.Ortiz, are described, and new record of M. guzmanjacobiae Díaz Jim. ...