Robbert Gradstein

1943 -

photo credits: Wikimedia Commons

country of citizenship: Kingdom of the Netherlands

languages spoken, written or signed: German

occupation: curator, botanist, university teacher

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Articles 236

Date

Title

Authors

2023-09-07

On the status of Bazzania madagassa (Marchantiophyta: Lepidoziaceae) from Madagascar

Robbert Gradstein
2022-09-14

Two new Neotropical taxa of Radula Dumort. (Marchantiophyta: Radulaceae) with bordered leaves

FÚvio R Oliveira-DA-Silva, Anna Luiza Ilkiu-Borges, Robbert Gradstein
2022-02-22

Notes on early land plants today. 78. Typification of Marchesinia cruegeriana

Robbert Gradstein
2022-04

(2879) Proposal to conserve the name Cololejeunea against Metzgeriopsis ( Lejeuneaceae , Marchantiophyta )

Robbert Gradstein, Tamás Pócs
2022-06-06

An updated checklist of liverworts and hornworts of Malaysia

Gaik Ee Lee, Nik Norhazrina, Robbert Gradstein
2022-07-06

An Integrative Taxonomic Revision of Aneuraceae H.Klinggr. (Marchantiophyta) from Guadeloupe and Martinique, French West Indies

Robbert Gradstein
2022-11-25

The genus Radula Dumort. (Marchantiophyta: Radulaceae) in Madagascar, with a key to the tropical African species

Robbert Gradstein
2022-12-30

Molecular and morphological evidence support the recognition of three genera within Radulaceae (Porellales: Marchantiophyta)

Matt A. M. Renner, Robbert Gradstein, Anna Luiza Ilkiu-Borges, FÚvio R Oliveira-DA-Silva
2021-02-18

Diversity of liverworts and hornworts in Polylepis sericea forests in the Andes of Venezuela

Robbert Gradstein, Tamás Pócs
2021-05-27

A new species of Pycnolejeunea (Lejeuneaceae, Marchantiophyta) from New Caledonia

Robbert Gradstein
2021-08-20

On the identity of Cheilolejeunea choachina (Marchantiophyta: Lejeuneaceae) with description of two new species of Cheilolejeunea from the Neotropics

Robbert Gradstein
2021-11-11

Two noteworthy ramicolous liverworts from Mount Roraima, Guyana: Frullania trigona and Metzgeria deniseana sp. nov.

Robbert Gradstein, Anna Luiza Ilkiu-Borges
2021-02-01

In the footsteps of Michel Allioni: Liverworts and hornworts from the surroundings of Gualaquiza (Ecuador)

Robbert Gradstein, Álvaro J. Pérez
2021-10-21

New species or infraspecific variation? A case study of Ptychanthus striatus var. motuoensis var. nov. (Marchantiophyta: Lejeuneaceae) from Xizang, China

Robbert Gradstein
2021-10-15

Cryptogamic epiphytes as indicators of successional changes in megadiverse lowland rain forests of western Amazonia

Robbert Gradstein
2020-01-29

A Taxonomic Revision of Aneuraceae (Marchantiophyta) from Eastern Africa with an Interactive Identification Key

Robbert Gradstein
2020-06-02

What do tropical cryptogams reveal? Strong genetic structure in Amazonian bryophytes

Alain Vanderpoorten, Patrick Mardulyn, Robbert Gradstein, Benjamin Laenen
2020-08-19

A new species of Frullania subg. Frullania (Marchantiophyta) from the Brazilian Amazon

Robbert Gradstein
2020-08-12

Floristic habitat sampling yielded Spruceanthus planifolius (Lejeuneaceae, Marchantiophyta) new to China

Robbert Gradstein
2020-07-27

A new species and a new variety of Radula Dumort. (Radulaceae, Marchantiophyta) from Brazil

Robbert Gradstein
2020-07-22

The genus Lejeunea Lib. (Lejeuneaceae, Marchantiophyta) in Brazil

Robbert Gradstein
2019-07-01

Two new species of Lejeuneaceae tribe Lejeuneeae (Marchantiophyta) from Colombia

Robbert Gradstein
2019

Plagiochila eggersii (Plagiochilaceae, Marchantiophyta), a rare neotropical species new to Brazil

Robbert Gradstein
2019-07-01

Comunidades de briófitos terrestres relacionados con factores climáticos y topográficos en un páramo del sur de Ecuador

Robbert Gradstein
2019-01-02

New national and regional bryophyte records, 58

Saeed Shirzadian, Halina Bednarek-Ochyra, Robbert Gradstein
2019-07-03

Ptychomitrium subcrispatum Thér. & P.de la Varde, an east southern African species excluded from the Cape Verde bryoflora

Lars Hedenäs, A. Martins, Jairo Patiño, Manuela Sim-Sim, César Garcia, Robbert Gradstein, Alain Vanderpoorten
2019-10-02

Riccardia verticillata Gradst. & Reeb, a new dendroid species of Riccardia (Aneuraceae) from the Cordillera del Cóndor, Ecuador

Robbert Gradstein, Catherine Reeb, J. Nicolás Zapata, Álvaro J. Pérez
2018-11-01

An overview of the Afro-American genus Haplolejeunea (Marchantiophyta: Lejeuneaceae) with description of two new species

Robbert Gradstein
2018-12-27

A new species of Frullania (Marchantiophyta: Frullaniaceae) from the Andes of Peru, and a range extension for F. holostipula to Bolivia

Robbert Gradstein
2018-07

Riccardia regnellii , an Older Name for R. amazonica (Marchantiophyta: Aneuraceae)

Robbert Gradstein
2018-07

A Further New Species of Lejeuneaceae (Marchantiophyta) from the Chocó of Colombia: Pycnolejeunea chocoensis

Robbert Gradstein
2018-07

Contribution to the Bryophyte Flora of New Caledonia III. New and Interesting Records, New Combinations and New Synonyms

Robbert Gradstein

Human - wd:Q2600721

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