astronomy

Roy Halling

Roy Halling is a astronomy 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 Roy Halling rather than just read about it. In short: Roy Edward Halling (born December 31, 1950, in Perry, Iowa) is an American mycologist. Halling specializes in the study of mushroom-forming fungi, especially the taxonomy, ecology, and systematics of the Boletineae, a suborder of the Boletales, and is widely published in this area.

Key takeaways

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

Reference excerpt

Roy Edward Halling (born December 31, 1950, in Perry, Iowa) is an American mycologist. Halling specializes in the study of mushroom-forming fungi, especially the taxonomy, ecology, and systematics of the Boletineae, a suborder of the Boletales, and is widely published in this area. He is currently emeritus curator of mycology at the New York Botanical Garden, and was an adjunct professor at Columbia University. Halling received his master's degree from San Francisco State University in 1976, with a thesis titled "The Boletaceae of the Sierra Nevada", under the supervision of Harry Delbert Thiers. His PhD was from the University of Massachusetts Amherst, in 1980 with a dissertation titled "The genus Collybia in New England. His supervisor was Howard E. Bigelow. Halling has served as the associate editor of the journal Brittonia (1984–1989), the managing editor of Mycologia (1986–1996), and as the associate editor of the latter journal from 2002–2004. Halling was the president of the Mycological Society of America in 2008–2009. The bolete fungus Austroboletus mutabilis was only identified in North Queensland, Australia, by Halling, Osmondson and Neves in a 2006 article while the fungus Austroboletus rarus was identified by Halling and another group of mycologists in 2020. Finally, the bolete fungus Austroboletus austrovirens, which is native to Northern Australia, also bears his name in its taxonomy.

Selected publications Halling, R.E. 1989. "Notes on Collybia III. Three neotropical species of subg. Rhodocollybia". Mycologia 81(6):870–875. Tulloss, R.E.; Ovrebo, C.L.; Halling, R.E. 1992. "Studies on Amanita (Amanitaceae) from Andean Colombia". Memoirs of the New York Botanical Garden 66:1–46. Mueller, G.M.; Halling, R.E. 1995. "Evidence for high biodiversity of Agaricales (Fungi) in neotropical montane Quercus forests". In: S. Churchill, H. Balslev, E. Forero, & J. Luteyn, (eds.). Biodiversity and Conservation of Neotropical Montane Forests. New York Botanical Garden, Bronx. Halling, R.E. 1996. "Boletaceae (Agaricales): Latitudinal biodiversity and biological interactions in Costa Rica and Colombia". Revista de Biología Tropical 44(Supplement 4):111–114. Antonín, V.; Halling, R.E.; Noordeloos, M.E. 1997. "Generic concepts within the groups of Marasmius and Collybia sensu lato". "Mycotaxon" 63:359–368 Fulgenzi, T.D.; Mayor, J.R.; Henkel, T.W; Halling, R.E. 2008. "New species of Boletellus from Guyana." Mycologia 100(30):490–495.

See also Category:Taxa named by Roy Halling

References

External links Image from Harvard University Herbaria A Bolete Story 50 Years of Macrofungi by Youtube on March 12, 2021 featuring Roy Halling

Worked examples

Example 1 — a first encounter with Roy Halling

Start with the simplest possible case. Write down what Roy Halling claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In astronomy, 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 Roy Halling 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 Roy Halling 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 Roy Halling

In research: Roy Halling appears in astronomy 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 Roy Halling 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: Roy Halling is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1950 births, American biologist stubs, American mycologists, so understanding it makes those chapters shorter.
In everyday life: Look for Roy Halling 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 Roy Halling in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Roy Halling 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 Roy Halling out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Roy Halling in simple terms?

Why does Roy Halling matter?

Because it connects several astronomy 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 Roy Halling?

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 Roy Halling.