biology

Neomacounia

Neomacounia is a biology topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Neomacounia rather than just read about it. In short: Neomacounia nitida, or Macoun's shining moss, is an extinct moss that was found only in a small area of Ontario, and the sole species in the genus Neomacounia. Biology Macoun's shining moss was a large bryophyte with long greenish-brown tufts.

Key takeaways

Neomacounia belongs to biology; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Neomacounia to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Neomacounia from memory before moving on to harder problems.

Reference excerpt

Neomacounia nitida, or Macoun's shining moss, is an extinct moss that was found only in a small area of Ontario, and the sole species in the genus Neomacounia.

Biology Macoun's shining moss was a large bryophyte with long greenish-brown tufts. The tufts were shiny and up to 6 cm long. The moss was hermaphroditic and capable of fertilizing itself. The plant was an epiphyte. It lived near the base of tree trunks of various species of elm and cedar that grew in swampy areas. The only known location where this species occurred was in three locales near Belleville, Ontario.

Taxonomy The species was originally described as Forsstroemia nitida. In 1974, it was reclassified in the monotypic genus Neomacounia. Not all bryologists accept that it is in a monotypic genus, or that it should be placed in the family Neckeraceae. Most recent publications accept the current classification of Macoun's shining moss. The common name honours John Macoun (1831–1920), who was an Irish-born Canadian naturalist.

Extinction The area where the samples were found was clear-cut for economic purposes between 1864 and 1892, implying that the species became extinct due to habitat loss during that time. Searches and surveys looking for the species were conducted in 1972 and 2001. They failed to find any evidence for the species' continued existence. This species is the only known endemic Canadian plant to become extinct since the 16th century.

Specimens All known samples of N. nitida were from three collections taken between 1862 and 1864. At least two of the collections were made by John Macoun. As Macoun had mislabelled other samples before, some doubt exists about from where they were taken.

References

External links

IUCN Bryophyte Specialist Group: Neomacounia nitida IUCN Red List profile of Neomacounia nitida

Worked examples

Example 1 — a first encounter with Neomacounia

Start with the simplest possible case. Write down what Neomacounia claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In biology, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Neomacounia before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Neomacounia ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Neomacounia

In research: Neomacounia appears in biology research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Neomacounia in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Neomacounia is common in secondary-school and first-year university syllabi. It links to neighbouring topics Extinct flora of Northern America, Flora of Ontario, IUCN Red List extinct species, so understanding it makes those chapters shorter.
In everyday life: Look for Neomacounia outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Neomacounia in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Neomacounia means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Neomacounia out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Neomacounia in simple terms?

Neomacounia nitida, or Macoun's shining moss, is an extinct moss that was found only in a small area of Ontario, and the sole species in the genus Neomacounia. Biology Macoun's shining moss was a large bryophyte with long greenish-brown tufts.

Why does Neomacounia matter?

Because it connects several biology ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Neomacounia?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Neomacounia.