Výsledky vyhledávání - "Croizat Léon"

Akademický článek

Notes on Cereus and Acanthocereus Notes on Cereus and Acanthocereus

Autor: Croizat Léon

Publikováno v: Caldasia, Vol 0, Iss 7, Pp 117-122 (1943)

It is commonly believed that the greatest single difficulty of the classification of the Cactaceae is in the fact that many names were published in this family for which types are not extant. This difficulty is great, no doubt, but less fundamental t

Externí odkaz: https://doaj.org/article/827067845ad84bc7895d83d4500ea504

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Akademický článek

Notes on Pilocereus, Monvillea and Malacocarpus with special reference to Colombian and Venezuelan species Notes on Pilocereus, Monvillea and Malacocarpus with special reference to Colombian and Venezuelan species

Autor: Croizat Léon

Publikováno v: Caldasia, Vol 0, Iss 8, Pp 251-260 (1943)

Pilocereus Lemaire: (nomen genericum conservandum propositum, 1937) / Monvillea Britton & Rose / Malacocarpus Salm-Dyck. Pilocereus Lemaire: (nomen genericum conservandum propositum, 1937) / Monvillea Britton & Rose / Malacocarpus Salm-Dyck

Externí odkaz: https://doaj.org/article/ea4fe3598db648fbaf0e089e2b81c06c

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Akademický článek

A Check - List of Colombian and presumed Colombian Cactaceae A Check - List of Colombian and presumed Colombian Cactaceae

Autor: Croizat Léon

Publikováno v: Caldasia, Vol 0, Iss 9, Pp 337-355 (1944)

This check-list has strictly practical purposes. It was written to present in a convenient form a selection of published species, which all students of Colombian Cactaceae cannot afford to disregard while identifying old entities or publishing new on

Externí odkaz: https://doaj.org/article/7289d973ec51492cacbc00d8b4422d5d

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Akademický článek

Euphorbiaceae Cactaceaeque novae vel criticae colombianae.- I

Autor: Croizat Léon

Publikováno v: Caldasia, Vol 0, Iss 7, Pp 123-139 (1943)

The botanical investigations now so vigorously conducted in the Republic of Colombia bring forth a continuous stream of novelties or critical forms in the Euphorbiaceae and the Cactaceae, which it is the purpose of these and following notes to descri

Externí odkaz: https://doaj.org/article/658ed95b1e72459c869d70e54fb903ef

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Akademický článek

Euphorbiaceae novae vel criticae Colombianae, II Euphorbiaceae novae vel criticae Colombianae, II

Autor: Croizat Léon

Publikováno v: Caldasia, Vol 0, Iss 9, Pp 357-362 (1944)

Alchornea umboensis sp. nov. / Mabea occidentalis / Mabea Trianae / Mabea parvifolia / Mabea elata / Mabea acutissima / Mabea chocoensis sp, nov.Alchornea umboensis sp. nov. / Mabea occidentalis / Mabea Trianae / Mabea parvifolia / Mabea elata / Mabe

Externí odkaz: https://doaj.org/article/dcc24c2ecb2741408045e97dbfffaf65

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