Thomas Janssen

German botanist.

Abbreviations: Janssen
Occupations: curator, botanist
Citizenships: Germany
Languages: German
Dates: 1978-00-00T00:00:00Z
Authorship mentions: 28 plants, 0 fungi
Links:IPNI

28 plants contributed to28 plants:

Alsophila grangaudiana (Janssen & Rakotondr.) J.P.Roux 2009
plant species in the cyatheaceae family
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Gymnosphaera rouhaniana (Rakotondr. & Janssen) S.Y.Dong 2018
plant species in the cyatheaceae family
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Gymnosphaera impolita var. michelii (Rakotondr. & Janssen) S.Y.Dong 2018
plant variety in the cyatheaceae family
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Gymnosphaera impolita (Rakotondr. & Janssen) S.Y.Dong 2018
plant species in the cyatheaceae family
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Alsophila valdesquamata (Janssen & Rakotondr.) Christenh. 2018
plant species in the cyatheaceae family
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Alsophila similis var. montana (Janssen & Rakotondr.) comb.ined.
plant variety in the cyatheaceae family
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Alsophila similis var. leptoderma (Rakotondr. & Janssen) comb.ined.
plant variety in the cyatheaceae family
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Alsophila pseudobellisquamata (Janssen & Rakotondr.) Christenh. 2018
plant species in the cyatheaceae family
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Alsophila pseudobellisquamara (Janssen & Rakotondr.) Christenh. 2018
plant species in the cyatheaceae family
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Alsophila obtecta (Rakotondr. & Janssen) Christenh. 2018
plant species in the cyatheaceae family
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Alsophila meridionalis (Janssen & Rakotondr.) Christenh. 2018
plant species in the cyatheaceae family
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Alsophila longispina (Janssen & Rakotondr.) Christenh. 2018
plant species in the cyatheaceae family
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Alsophila lisyae (Janssen & Rakotondr.) Christenh. 2018
plant species in the cyatheaceae family
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Alsophila hyacinthei ssp. bevolo (Janssen & Rakotondr.) comb.ined.
plant subspecies in the cyatheaceae family
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Alsophila hyacinthei var. andringitrensis (Janssen & Rakotondr.) comb.ined.
plant variety in the cyatheaceae family
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Alsophila hildebrandtii var. parahildebrandtii (Janssen & Rakotondr.) comb.ined.
plant variety in the cyatheaceae family
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Alsophila hebes (Janssen & Rakotondr.) Christenh. 2018
plant species in the cyatheaceae family
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Alsophila emilei var. dauphinensis (Janssen & Rakotondr.) comb.ined.
plant variety in the cyatheaceae family
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Alsophila emilei (Janssen & Rakotondr.) Christenh. 2018
plant species in the cyatheaceae family
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Alsophila dilatata (Rakotondr. & Janssen) Christenh. 2018
plant species in the cyatheaceae family
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Alsophila decrescens var. manongarivensis (Janssen & Rakotondr.) comb.ined.
plant variety in the cyatheaceae family
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Alsophila decrescens var. cristata (Rakotondr. & Janssen) comb.ined.
plant variety in the cyatheaceae family
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Alsophila conferta (Janssen & Rakotondr.) Christenh. 2018
plant species in the cyatheaceae family
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Alsophila borbonica var. sevathiana (Janssen & Rakotondr.) J.P.Roux 2009
plant variety in the cyatheaceae family
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Alsophila boiviniiformis (Rakotondr. & Janssen) Christenh. 2018
plant species in the cyatheaceae family
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Alsophila bellisquamata var. australis (Janssen & Rakotondr.) comb.ined.
plant variety in the cyatheaceae family
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Alsophila bellisquamata var. ambrensis (Janssen & Rakotondr.) comb.ined.
plant variety in the cyatheaceae family
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Alsophila basirotundata (Rakotondr. & Janssen) Christenh. 2018
plant species in the cyatheaceae family
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