Pleopeltis polypodioides var. michauxiana
Other fern seen in the area may be var. aciculare but it hasn´t been collected
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General location: Campamento Monternach
Astrolepis sinuata
Terrestrial in limestone rocky soil
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Isoetes (quillworts) are one of the three living clades of lycophytes. They are a very diverse yet understudied group, but recently have been getting more attention with studies like this and the Isoetes taiwanensis is genome.
Out now in MPE is a paper on North American Isoetes that @jacobsuissa, Peter Schafran, Jay Bolin, Carl Taylor, Liz Zimmer, and I have been working on for a long time! https://doi.org/10.1016/j.ympev.2021.107332
Up, up and....er gone: A great paper by @batkesp @SETarvin. Nowhere to escape – Diversity and community composition of ferns and lycophytes on the highest mountain in Honduras
https://www.cambridge.org/core/journals/journal-of-tropical-ecology/article/nowhere-to-escape-diversity-and-community-composition-of-ferns-and-lycophytes-on-the-highest-mountain-in-honduras/8E676ED96AAA0E727D1BC92722154C18#
Early "Rootprints" of Plant Terrestrialization: Selaginella Root Development Sheds Light on Root Evolution in Vascular Plants http://dlvr.it/SB2N20