Hermetospheres

Experiences with plant life in closed glass containers

Category: Ferns

  • Around the world on behalf of the tsar

    Around the world on behalf of the tsar

    On 7 August 1803 the sailing ship Nadeshda under captain Adam Johann von Krusenstern left St. Petersburg for the first Russia-led circumnavigation of the globe on behalf of Tsar Alexander I. During a first stop in Copenhagen, German naturalist Georg Heinrich von Langsdorff (1774-1852), later diplomat in the service of the tsar, came aboard. After crossing…

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  • Pyrrosia nummulariifolia

    Pyrrosia nummulariifolia

    You might wonder why this post is categorized as both success and failure. Let me begin with the success. When I started my jar designated to Myanmar in mid-August 2021, I placed a short rhizome cutting of P. nummulariifolia along the border of the substrate. Now, almost a year later, it is well established and…

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  • Actiniopteris radiata

    Actiniopteris radiata

    One of my two jars dedictated to plants native to Myanmar is currently able to tell more than one story. The fern called Peacock’s tail, A. radiata, was meant to be the main protagonist when I started the jar in mid August 2021. Initially, the plant seemed to be comfortable and produced new fronds. After…

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