Why are rhubarb leaves poisonous?
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black spots on leaves of Euphorbia humifusa and Polygonum hydropiper
Started by Lukas.SBoard Plant Sciences, Zoology & Evolution |
Replies: 1 Views: 6292 |
26/07/2007 09:35:01 by dentstudent |
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If leaves reflect green light why isn't the inside of a leaf purple?
Started by John ChapmanBoard Physics, Astronomy & Cosmology |
Replies: 4 Views: 4797 |
20/06/2009 05:47:35 by Madidus_Scientia |
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Why do trees in the Dominican Republic lose leaves in autumn?
Started by M.A. Lugo Board Plant Sciences, Zoology & Evolution |
Replies: 1 Views: 5836 |
18/12/2011 13:43:53 by Don_1 |
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Can lights be controlled to turn them on and off when a person enters or leaves?
Started by mommylady28Board Technology |
Replies: 5 Views: 6988 |
29/08/2012 23:23:23 by techmind |
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Why do horse chestnut leaves brown and shrivel so early?
Started by nudephilBoard Plant Sciences, Zoology & Evolution |
Replies: 1 Views: 1840 |
21/10/2020 19:44:47 by chris |