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Cloudgazers seeking familiar shapes might have a tough time with these altocumulus clouds over Australia: They have characteristics of both stratiformis (streaky or wavy) and floccus (woolly or tufted) clouds. If all that Latin has you suspecting something science-y going on here, you'd be right: Just like flora and fauna, clouds can be taxonomized by genus and species. The altocumulus genus has five distinctly shaped species—castellanus, floccus, lenticularis, stratiformis, and volutus—appearing at a wide range of elevations from 6,500 to 20,000 feet.
Much as biologists do plants and animals, meteorologists classify clouds by genus and species.
© Andrew Merry / Moment / Getty Images 2026-06-15 11:34:59 :