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Euphorbia officinarum subsp. echinus
![Potted specimen of Euphorbia officinarum subsp. echinus](https://i0.wp.com/sustainablebioresources.com/blog/wp-content/uploads/2022/09/Euphorbia-echinus-300x225.jpeg?resize=300%2C225) Euphorbia officinarum subsp. echinus Photo © Edward Rau, Sustainable Bioresources, LLC Use licensed per CC BY-NC 4.0 |
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![Euphorbia echinus in Bloom](https://i2.wp.com/sustainablebioresources.com/blog/wp-content/uploads/2022/08/Euphorbia-echinus-in-Bloom.jpeg?resize=240%2C300) Euphorbia echinus in Bloom Discovery Harbour, Hawaii Photo © Edward Rau, Sustainable Bioresources, LLC Use licensed per CC BY-SA 4.0 |