WebApr 18, 2008 · The last comprehensive revision of the genus Ceratopteris, a group of annual aquatic or semi-aquatic ferns, has been made by Lloyd ( 1974 ). In his recognition, the genus includes four species, Ceratopteris cornuta (Pal. Beauv.) Le Prieur, C. pteridoides (Hook.) Hieron., C. richardii Brongn. and C. thalictroides (L.) Brongn. WebThe newly defined fern genus Leptochilus contains about 50 species occurring in subtropical to tropical Asia and adjacent Pacific islands. The circumscription and phylogeny of the genus have been ambiguous and its species had been included in various genera such as Colysis, Dendroglossa, Kontumia, Microsorum, and Paraleptochilus.
Independent origins of tetraploid cryptic species in the fern ...
WebJun 16, 2024 · Cryptic Fern, Kingsdown, Kent (Nigel Jarman). In the same county, at Canterbury, Raphael Long (who has only recently started trapping) photographed another fern in his Robinson trap on 8th but it escaped capture. Fortunately, two more were potted the next night and these were also determined as Cryptic Ferns. WebFeb 13, 2024 · Cryptic species are present throughout the tree of life. They are especially prevalent in ferns, because of processes such hybridization, polyploidy, and reticulate … cultivate what matters free printables
Phylogeny and Taxonomy on Cryptic Species of Forked Ferns of …
WebFern identification usually requires the use of mature sporophytes, since attempts to identify juveniles using morphological traits often provides unsatisfactory results. Here we examined young sporophytes found among boulders in a river basin of a xeric valley in central Peru. Attempts to identify these sporophytes first pointed to four different genera, two in … WebDec 17, 2024 · One taxonomic group likely to contain many cryptic species is Dicranopteris, a genus of forked ferns that occurs commonly along roadsides in Asia. The genus has a complex taxonomical history, and D. linearis has been particularly challenging with many intra-specific taxa dubiously erected to accommodate morphological variation that lacks … WebCryptic FernHorisme radicaria (La Harpe, 1855) Wingspan 25-32 mm. This is a recent introduction to the British list of Lepidoptera, although there is some evidence to suggest … east hotel instagram