Cryptic fern
WebSep 15, 2015 · Ferns are a suitable taxon with which to investigate the ecological roles of building gaps for several reasons. First, ferns occupy even tiny microhabitats within … 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 …
Cryptic fern
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WebJul 1, 2013 · Fern identification usually requires the use of mature sporophytes, since attempts to identify juveniles using morphological traits often provides unsatisfactory results. Here we examined young... WebFor the taxonomic revision of the problematic species Ceratopteris thalictroides, molecular analyses and crossing tests were conducted for 16 sources in the world. An analysis of allozyme composition of five enzymes revealed the presence of three intraspecific entities, which were called the south type, the north type, and the third type. An analysis of the …
WebNov 1, 2024 · Cryptic species are present throughout the tree of life. They are especially prevalent in ferns, because of processes such hybridization, polyploidy, and reticulate evolution. In addition, the simple morphology of ferns limits phenotypic variation and makes it difficult to detect cryptic species. WebMay 1, 2024 · Understanding how natural hybridization and polyploidizations originate in plants requires identifying potential diploid ancestors. However, cryptic plant species are widespread, particularly in Ceratopteris (Pteridaceae). Identifying Ceratopteris cryptic species with different polyploidy levels is a challenge because Ceratopteris spp. exhibit …
WebDec 19, 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 ... WebFeb 1, 2024 · Frosty Fern's Roots According to The Plant Book, selaginellas are "evergreen rhizomatous perennials which occur mainly in tropical and warm-temperate zones.” Therefore, despite its wintry name, your Frosty Fern probably won’t survive outdoors in the frostiest climates.
WebMay 10, 2024 · They’re most evident in ferns and lycophytes, where the two life stages exist separately from each other, and in other plants, like mosses, where the gametophyte is the leafy, dominant portion of...
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 … chyrle bonkWebKeep a consistent watering schedule when 25-50% of the soil volume is dry. Water thoroughly and discard the excess water in the saucer. If you accidentally let your fern’s … chyriptisWebFeb 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 … chyrl hartshorn cumming gaWebMar 1, 2024 · Yet, fern gametophytes have long been neglected in field studies due to their small size and cryptic morphology. DNA barcoding is a powerful method that can be used to identify field‐collected gametophytes to species and allow for … chyrist the king pub covWebFeb 1, 2007 · Phylogeographic analysis reveals two cryptic species of the endangered fern Ceratopteris thalictroides (L.) Brongn. (Parkeriaceae) in China Introduction Fern species have a relatively simple... chyrl statler in coloradoWebApr 1, 2024 · While most studies of fern ecology focus on the more visible sporophytic stage, the gametophyte is critically important, as it is the sexual phase of the life cycle. … chyrler sail boats 75 78WebFeb 12, 2024 · Cryptic species are present throughout the tree of life. They are especially prevalent in ferns, because of processes such hybridization, polyploidy, and reticulate … dfw texrail