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Four hundred-million-year-old vesicular arbuscular mycorrhizae.
The discovery of arbuscules in Aglaophyton major, an Early Devonian land plant, provides unequivocal evidence that mycorrhizae were established >400 million years ago. Nonseptate hyphac andExpand
Stomata in early land plants: an anatomical and ecophysiological approach
direct comparisons of functions and functioning with extant forms and the conclusion that they are among Descriptions of Silurian and Lower Devonian stomata the most conservative of embryophyteExpand
Fossil arbuscular mycorrhizae from the Early Devonian
AbstractThe 400 million-year-old Rhynie chert has provided a wealth of information not only of early land plants, but also of the fungi that inhabited this paleoecosystem. In this paper we report t...
Fungal endophytes in a 400-million-yr-old land plant: infection pathways, spatial distribution, and host responses.
The Early Devonian Rhynie chert has been critical in documenting early land plant-fungal interactions. However, complex associations involving several fungi that enter into qualitatively differentExpand
The oldest fossil ascomycetes
Ascomycetes are the largest group of true fungi, and characteristically produce their sexual spores in a sac-like structure called the ascus. They include medicinal agents (such as ergot), plantExpand
Perithecial ascomycetes from the 400 million year old Rhynie chert: an example of ancestral polymorphism.
We describe a perithecial, pleomorphic ascomycetous fungus from the Early Devonian (400 mya) Rhynie chert; the fungus occurs in the cortex just beneath the epidermis of aerial stems and rhizomes ofExpand
A harvestman (Arachnida: Opiliones) from the Early Devonian Rhynie cherts, Aberdeenshire, Scotland
ABSTRACT A harvestman (Arachnida: Opiliones) is described from the Early Devonian (Pragian) Rhynie cherts, Aberdeenshire, Scotland. Eophalangium sheari gen. et sp. nov. is the oldest knownExpand
A cyanolichen from the Lower Devonian Rhynie chert.
The 400 million-year-old Rhynie chert has provided a wealth of information about various types of fungal interactions that existed in this Early Devonian paleoecosystem. In this paper we report theExpand
Life history biology of early land plants: deciphering the gametophyte phase.
The ca. 400-million-year-old Rhynie chert biota represents a benchmark for studies of early terrestrial ecosystems. The exquisite preservation of the organisms documents an ancient biodiversity thatExpand
The Gametophyte Generation of Some Early Devonian Land Plants
We summarize the current information on gametophytic plants from the Lower Devonian that are represented by three types based on permineralizations in the Rhynie Chert, two of which are antheridialExpand