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The yeast-like cells of Malassezia, measuring between 1.5–4.5 μm by 3–7 μm, are characterised as phialides featuring tiny collarettes (a small, collar-like flange or lip at the mouth of a phialide from which spores or conidia are produced and released). These collarettes are challenging to identify using standard light microscopes.
Some isolates of Fonsecaea may form phialides with collarettes that are typical of the genus Phialophora. [1] When fungi produce more than one morphologic form in culture, such as the case with F. compacta and F. pedrosoi, the most stable, distinct, and unique form that is produced under standard conditions are used for identifying the fungus. [9]
The term colewort is a medieval term for non-heading brassica crops. [2] [3]The term collard has been used to include many non-heading Brassica oleracea crops. While American collards are best placed in the Viridis crop group, [4] the acephala (Greek for 'without a head') cultivar group is also used referring to a lack of close-knit core of leaves (a "head") like cabbage does, making collards ...
To identify burning bush, look for "football-shaped, oppositely arranged, finely toothed or serrated leaves that are between one and two inches long," according to Penn State Extension.
Japanese knotweed is seen in flower. Yellowish-white flower spikes appear in August and September, making now the best time of year to identify and report occurrences of this invasive species.
An app for smartphones (and a web version) was launched in 2013, [4] which allows to identify thousands of plant species from photographs taken by the user. It is available in several languages. As of 2019 it had been downloaded over 10 million times, in more than 180 countries worldwide. [1]
Botanical nomenclature is closely linked to plant taxonomy, and botanical nomenclature serves plant taxonomy, but nevertheless botanical nomenclature is separate from plant taxonomy. Botanical nomenclature is merely the body of rules prescribing which name applies to that taxon (see correct name) and if a new name may (or must) be coined.
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