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    <title>Plants: Nomenclature and Taxonomy</title>
    <description>The names and classification of plants.</description>
    <pubDate>Tue, 17 Mar 2026 10:32:47 +0000</pubDate>
    <lastBuildDate>Tue, 17 Mar 2026 10:32:47 +0000</lastBuildDate>
    <generator>UBC Botanical Garden Forums</generator>
    <link>https://forums.botanicalgarden.ubc.ca/forums/plants-nomenclature-and-taxonomy.93/</link>
    <atom:link rel="self" type="application/rss+xml" href="https://forums.botanicalgarden.ubc.ca/forums/plants-nomenclature-and-taxonomy.93/index.rss"/>
    <item>
      <title>Botanists vote to remove racist reference from plants’ scientific names</title>
      <pubDate>Mon, 22 Jul 2024 11:10:34 +0000</pubDate>
      <link>https://forums.botanicalgarden.ubc.ca/threads/botanists-vote-to-remove-racist-reference-from-plants%E2%80%99-scientific-names.104583/</link>
      <guid>https://forums.botanicalgarden.ubc.ca/threads/botanists-vote-to-remove-racist-reference-from-plants%E2%80%99-scientific-names.104583/</guid>
      <author>invalid@example.com (togata57)</author>
      <dc:creator>togata57</dc:creator>
      <content:encoded><![CDATA[<i>Scientists have voted to eliminate the names of certain plants that are deemed to be racially offensive. The decision to remove a label that contains such a slur was taken last week after a gruelling six-day session attended by more than 100 researchers, as part of the International Botanical Congress, which officially opens on Sunday in Madrid.</i><br />
<i><br />
“This is an absolutely monumental first step in addressing an issue that has become a real problem in botany and also in other biological...</i><br />
<br />
<a href="https://forums.botanicalgarden.ubc.ca/threads/botanists-vote-to-remove-racist-reference-from-plants%E2%80%99-scientific-names.104583/" target="_blank" class="externalLink" rel="nofollow">Botanists vote to remove racist reference from plants’ scientific names</a>]]></content:encoded>
      <slash:comments>5</slash:comments>
    </item>
    <item>
      <title>Siam oak?</title>
      <pubDate>Thu, 16 May 2024 23:12:44 +0000</pubDate>
      <link>https://forums.botanicalgarden.ubc.ca/threads/siam-oak.45682/</link>
      <guid>https://forums.botanicalgarden.ubc.ca/threads/siam-oak.45682/</guid>
      <author>invalid@example.com (kona)</author>
      <dc:creator>kona</dc:creator>
      <content:encoded><![CDATA[Hi - new here - my very first post.<br />
<br />
Can anyone help me to identify what oak species Siam Oak is?<br />
<br />
I purchased an musical instrument made from &quot;Saim Oak&quot;.  I&#039;ve tried to look it up in some plant dictionaries - no luck so far.  All I&#039;ve been able to find is that the wood is from Thailand (Thailand&#039;s former name was Siam).  I have a list of Quercus species that grow in Thailand but none of them, so far as I can find, has a common name of Siam Oak.<br />
<br />
Maybe it&#039;s a name the music and...<br />
<br />
<a href="https://forums.botanicalgarden.ubc.ca/threads/siam-oak.45682/" target="_blank" class="externalLink" rel="nofollow">Siam oak?</a>]]></content:encoded>
      <slash:comments>16</slash:comments>
    </item>
    <item>
      <title>White Spruce</title>
      <pubDate>Sun, 12 May 2024 11:31:10 +0000</pubDate>
      <link>https://forums.botanicalgarden.ubc.ca/threads/white-spruce.103515/</link>
      <guid>https://forums.botanicalgarden.ubc.ca/threads/white-spruce.103515/</guid>
      <author>invalid@example.com (Michael F)</author>
      <dc:creator>Michael F</dc:creator>
      <content:encoded><![CDATA[Kew Plants of the World Online [POWO] have recently decided that White Spruce - universally known as <i>Picea glauca</i> for the last century - should actually be called <i>Picea laxa</i>. The reasoning behind this is a change in the view of an early publication, Münchhausen&#039;s 1770 <i>Der Hausvater</i>. In this (vol. 5 p. 225), White Spruce is described as <a href="https://www.biodiversitylibrary.org/page/47446272" target="_blank" class="externalLink" rel="nofollow"><b>P.</b>[inus] <b>Abies</b> <i>laxa</i></a>. In the past, this has...<br />
<br />
<a href="https://forums.botanicalgarden.ubc.ca/threads/white-spruce.103515/" target="_blank" class="externalLink" rel="nofollow">White Spruce</a>]]></content:encoded>
      <slash:comments>20</slash:comments>
    </item>
    <item>
      <title>Common names - need there be standards?</title>
      <pubDate>Sun, 06 Aug 2023 21:58:28 +0000</pubDate>
      <link>https://forums.botanicalgarden.ubc.ca/threads/common-names-need-there-be-standards.103028/</link>
      <guid>https://forums.botanicalgarden.ubc.ca/threads/common-names-need-there-be-standards.103028/</guid>
      <author>invalid@example.com (wcutler)</author>
      <dc:creator>wcutler</dc:creator>
      <content:encoded><![CDATA[I take the blame for this. In my posting of plants mentioned by Douglas Justice in his December 2020 in the UBCBG garden blog, I wrote:<br />



<div class="bbCodeBlock bbCodeQuote" data-author="wcutler">
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			<div class="attribution type">wcutler said:
				
					<a href="goto/post?id=435372#post-435372" class="AttributionLink">&uarr;</a>
				
			</div>
		
		<blockquote class="quoteContainer"><div class="quote">Mixed in with this pigmy pine (common name, yes, we know it&#039;s not a pine) is this teeny fern - <i>Austroblechnum penna-marina</i> &#039;Cristatum&#039;.</div><div class="quoteExpand">Click to expand...</div></blockquote>
	</aside>
</div>.<br />
I am moving further discussion re: common names from that thread to this new thread in an appropriate forum.]]></content:encoded>
      <slash:comments>12</slash:comments>
    </item>
    <item>
      <title>Nomenclature Authorities</title>
      <pubDate>Sat, 11 Dec 2021 07:50:50 +0000</pubDate>
      <link>https://forums.botanicalgarden.ubc.ca/threads/nomenclature-authorities.20369/</link>
      <guid>https://forums.botanicalgarden.ubc.ca/threads/nomenclature-authorities.20369/</guid>
      <author>invalid@example.com (Eric La Fountaine)</author>
      <dc:creator>Eric La Fountaine</dc:creator>
      <content:encoded><![CDATA[Plant classification and nomenclature is a work in progress. It can be difficult to keep up for the plant enthusiast as well as the botanist. My work as accessions technician here at UBCBG, requires that I to try to do just that. The work has become easier in recent years due to the increase in good online botanical database resources. I thought forum readers might like to explore some of the websites I use to look up plant information.<br />
<br />
<b>Here is a list of the major websites I use:</b><br />
<br />
1....<br />
<br />
<a href="https://forums.botanicalgarden.ubc.ca/threads/nomenclature-authorities.20369/" target="_blank" class="externalLink" rel="nofollow">Nomenclature Authorities</a>]]></content:encoded>
      <slash:comments>24</slash:comments>
    </item>
    <item>
      <title>Mistaken Identity</title>
      <pubDate>Tue, 30 Nov 2021 05:14:47 +0000</pubDate>
      <link>https://forums.botanicalgarden.ubc.ca/threads/mistaken-identity.101685/</link>
      <guid>https://forums.botanicalgarden.ubc.ca/threads/mistaken-identity.101685/</guid>
      <author>invalid@example.com (Margot)</author>
      <dc:creator>Margot</dc:creator>
      <content:encoded><![CDATA[The ongoing discussion about the elusive Nanaimo Peach has me wondering whether we can ever completely trust that any plant we purchase is, in fact, what the label or the vendor says it is.  At one time or other, I think we have all discovered a plant we thought was X that turned out to be Y.  Sometimes it takes years until the dang thing blooms and reveals its mistaken identity.<br />
<br />
It almost doesn’t matter whether the label says the plant is trademarked or copyrighted because ultimately we...<br />
<br />
<a href="https://forums.botanicalgarden.ubc.ca/threads/mistaken-identity.101685/" target="_blank" class="externalLink" rel="nofollow">Mistaken Identity</a>]]></content:encoded>
      <slash:comments>1</slash:comments>
    </item>
    <item>
      <title>Plant Patents and Trademarks</title>
      <pubDate>Sat, 27 Nov 2021 18:59:12 +0000</pubDate>
      <link>https://forums.botanicalgarden.ubc.ca/threads/plant-patents-and-trademarks.101683/</link>
      <guid>https://forums.botanicalgarden.ubc.ca/threads/plant-patents-and-trademarks.101683/</guid>
      <author>invalid@example.com (Ron B)</author>
      <dc:creator>Ron B</dc:creator>
      <content:encoded><![CDATA[Putting a TM after the word Nanaimo did not secure any ownership rights to the involved genetic material. Or even the name itself. This commercial site explains the system: <a href="https://www.fbts.com/join-our-team/#:~:text=A%20plant%20trademark%20is%20a%20legal%20right%20to,name%20and%20may%20keep%20reapplying%20every%20ten%20years." target="_blank" class="externalLink" rel="nofollow">Plant Patents &amp; Trademarks (fbts.com)</a><br />
<br />
<i>A plant trademark is a legal right to a monopoly on a name or symbol affiliated with a particular plant...</i><br />
<br />
<a href="https://forums.botanicalgarden.ubc.ca/threads/plant-patents-and-trademarks.101683/" target="_blank" class="externalLink" rel="nofollow">Plant Patents and Trademarks</a>]]></content:encoded>
    </item>
    <item>
      <title>There’s no such thing as a tree (phylogenetically)</title>
      <pubDate>Fri, 18 Jun 2021 23:01:42 +0000</pubDate>
      <link>https://forums.botanicalgarden.ubc.ca/threads/there%E2%80%99s-no-such-thing-as-a-tree-phylogenetically.100879/</link>
      <guid>https://forums.botanicalgarden.ubc.ca/threads/there%E2%80%99s-no-such-thing-as-a-tree-phylogenetically.100879/</guid>
      <author>invalid@example.com (togata57)</author>
      <dc:creator>togata57</dc:creator>
      <content:encoded><![CDATA[Whoa!<br />
Fascinating article--rich multi-layered food for thought.<br />
<br />
<a href="https://eukaryotewritesblog.com/2021/05/02/theres-no-such-thing-as-a-tree/" target="_blank" class="externalLink" rel="nofollow">There’s no such thing as a tree (phylogenetically)</a>]]></content:encoded>
    </item>
    <item>
      <title>plant donor and locality nomenclature</title>
      <pubDate>Fri, 30 Apr 2021 12:16:03 +0000</pubDate>
      <link>https://forums.botanicalgarden.ubc.ca/threads/plant-donor-and-locality-nomenclature.100332/</link>
      <guid>https://forums.botanicalgarden.ubc.ca/threads/plant-donor-and-locality-nomenclature.100332/</guid>
      <author>invalid@example.com (Nuno Dias)</author>
      <dc:creator>Nuno Dias</dc:creator>
      <content:encoded><![CDATA[Hello,<br />
<br />
I&#039;m a succulent collector. I see people online posting pictures of their plants and they often indicate the source, ie., who they got the plants from, prefixed with an &#039;Ex.&#039; I tried looking online and I have no idea where this abbreviation comes from. Latin &#039;ex&#039; with no dot, used in complex author names, seems to me to be a different thing.<br />
<br />
Some collectors claim that they maintain specimens directly cloned from field specimens and add the locality details to the plant description....<br />
<br />
<a href="https://forums.botanicalgarden.ubc.ca/threads/plant-donor-and-locality-nomenclature.100332/" target="_blank" class="externalLink" rel="nofollow">plant donor and locality nomenclature</a>]]></content:encoded>
      <slash:comments>4</slash:comments>
    </item>
    <item>
      <title>Latin names of colours</title>
      <pubDate>Tue, 16 Mar 2021 05:27:22 +0000</pubDate>
      <link>https://forums.botanicalgarden.ubc.ca/threads/latin-names-of-colours.100005/</link>
      <guid>https://forums.botanicalgarden.ubc.ca/threads/latin-names-of-colours.100005/</guid>
      <author>invalid@example.com (wcutler)</author>
      <dc:creator>wcutler</dc:creator>
      <content:encoded><![CDATA[This chart came up on my Facebook feed. If it&#039;s not visible to most of you, I&#039;ll remove the posting.<br />
This is the accompanying text, translated by Google:<br />
Latin colors<br />
If you&#039;ve discovered a species and are thinking of naming it based on the color of your representatives, here&#039;s a vast list of Latin colors.<br />
If you haven&#039;t found out (yet), still, take a good look at these Latin colors, because you&#039;ll better understand the scientific names when they appear....<br />
<br />
<a href="https://forums.botanicalgarden.ubc.ca/threads/latin-names-of-colours.100005/" target="_blank" class="externalLink" rel="nofollow">Latin names of colours</a>]]></content:encoded>
      <slash:comments>1</slash:comments>
    </item>
    <item>
      <title>Every Friday, scientists unite to save the sweet potato</title>
      <pubDate>Wed, 27 Jan 2021 07:57:43 +0000</pubDate>
      <link>https://forums.botanicalgarden.ubc.ca/threads/every-friday-scientists-unite-to-save-the-sweet-potato.99778/</link>
      <guid>https://forums.botanicalgarden.ubc.ca/threads/every-friday-scientists-unite-to-save-the-sweet-potato.99778/</guid>
      <author>invalid@example.com (Junglekeeper)</author>
      <dc:creator>Junglekeeper</dc:creator>
      <content:encoded><![CDATA[<div style="padding-left: 30px"><a href="https://nationalpost.com/life/food/scientists-unite-to-save-the-sweet-potatos-identity" target="_blank" class="externalLink" rel="nofollow">Every Friday, scientists unite to save the sweet potato | National Post</a>&#8203;</div>


<div class="bbCodeBlock bbCodeQuote">
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		<blockquote class="quoteContainer"><div class="quote">Genetic studies, though, have clouded this categorization in showing <i>Ipomoea</i> to be made up of two groups, rather than one. In the spirit of improved classification, this enhanced understanding of plant genetics could potentially result in a future name change for the sweet potato.</div><div class="quoteExpand">Click to expand...</div></blockquote>
	</aside>
</div>]]></content:encoded>
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    <item>
      <title>Researchers compile world's largest inventory of known plant species</title>
      <pubDate>Sun, 29 Nov 2020 07:54:42 +0000</pubDate>
      <link>https://forums.botanicalgarden.ubc.ca/threads/researchers-compile-worlds-largest-inventory-of-known-plant-species.99501/</link>
      <guid>https://forums.botanicalgarden.ubc.ca/threads/researchers-compile-worlds-largest-inventory-of-known-plant-species.99501/</guid>
      <author>invalid@example.com (Junglekeeper)</author>
      <dc:creator>Junglekeeper</dc:creator>
      <content:encoded><![CDATA[<div style="padding-left: 30px"><a href="https://phys.org/news/2020-11-world-largest-species.html" target="_blank" class="externalLink" rel="nofollow">Researchers compile world&#039;s largest inventory of known plant species</a>&#8203;</div>


<div class="bbCodeBlock bbCodeQuote">
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		<blockquote class="quoteContainer"><div class="quote">Researchers at Leipzig University and the German Centre for Integrative Biodiversity Research (iDiv) have compiled the world&#039;s most comprehensive list of known plant species. It contains 1,315,562 names of vascular plants, thus extending the number by some 70,000—equivalent to about 20%. The researchers have also succeeded in...</div><div class="quoteExpand">Click to expand...</div></blockquote>
	</aside>
</div><a href="https://forums.botanicalgarden.ubc.ca/threads/researchers-compile-worlds-largest-inventory-of-known-plant-species.99501/" target="_blank" class="externalLink" rel="nofollow">Researchers compile world&#039;s largest inventory of known plant species</a>]]></content:encoded>
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      <title>Call to restore Indigenous names for plants and animals</title>
      <pubDate>Sat, 24 Oct 2020 12:24:01 +0000</pubDate>
      <link>https://forums.botanicalgarden.ubc.ca/threads/call-to-restore-indigenous-names-for-plants-and-animals.99304/</link>
      <guid>https://forums.botanicalgarden.ubc.ca/threads/call-to-restore-indigenous-names-for-plants-and-animals.99304/</guid>
      <author>invalid@example.com (Junglekeeper)</author>
      <dc:creator>Junglekeeper</dc:creator>
      <content:encoded><![CDATA[<div style="padding-left: 30px"><a href="https://phys.org/news/2020-10-indigenous-animals.html" target="_blank" class="externalLink" rel="nofollow">Call to restore Indigenous names for plants and animals</a>&#8203;</div>


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		<blockquote class="quoteContainer"><div class="quote">Indigenous names for plants and animals should be restored within the scientific naming system according to AUT&#039;s Professor Len Gillman and University of Auckland&#039;s Dr Shane Wright.<br />
<br />
Gillman and Wright are hoping to stimulate a general debate on the merits of this approach, which must include...</div><div class="quoteExpand">Click to expand...</div></blockquote>
	</aside>
</div><a href="https://forums.botanicalgarden.ubc.ca/threads/call-to-restore-indigenous-names-for-plants-and-animals.99304/" target="_blank" class="externalLink" rel="nofollow">Call to restore Indigenous names for plants and animals</a>]]></content:encoded>
      <slash:comments>7</slash:comments>
    </item>
    <item>
      <title>Proper names?</title>
      <pubDate>Thu, 16 Jan 2020 18:56:33 +0000</pubDate>
      <link>https://forums.botanicalgarden.ubc.ca/threads/proper-names.96997/</link>
      <guid>https://forums.botanicalgarden.ubc.ca/threads/proper-names.96997/</guid>
      <author>invalid@example.com (sgbotsford)</author>
      <dc:creator>sgbotsford</dc:creator>
      <content:encoded><![CDATA[Problem 1:<br />
<br />
A plant wholesaler, who uses only botanical and no common names, except for named cultivars and trademarks has a listing<br />
<br />
Euonymus nana &#039;Turkestanica&#039;<br />
<br />
The plant List (<a href="https://theplantlist.org" target="_blank" class="externalLink" rel="nofollow">https://theplantlist.org</a>) doesn&#039;t have a species nana. It does have nanus.<br />
<br />
There is a variety turkestanicus.<br />
<br />
Now my newbie understanding of nomenclature is that their listing indicates that Turkestanica is a named cultivar of the species E. nana.  But the lack of a &#039;nana&#039; on the plant list, and the...<br />
<br />
<a href="https://forums.botanicalgarden.ubc.ca/threads/proper-names.96997/" target="_blank" class="externalLink" rel="nofollow">Proper names?</a>]]></content:encoded>
      <slash:comments>2</slash:comments>
    </item>
    <item>
      <title>Rosemary is not a rosemary, rules RHS - it's a sage</title>
      <pubDate>Sun, 24 Nov 2019 20:07:35 +0000</pubDate>
      <link>https://forums.botanicalgarden.ubc.ca/threads/rosemary-is-not-a-rosemary-rules-rhs-its-a-sage.96814/</link>
      <guid>https://forums.botanicalgarden.ubc.ca/threads/rosemary-is-not-a-rosemary-rules-rhs-its-a-sage.96814/</guid>
      <author>invalid@example.com (wcutler)</author>
      <dc:creator>wcutler</dc:creator>
      <content:encoded><![CDATA[<div class="bbCodeBlock bbCodeQuote">
	<aside>
		
		<blockquote class="quoteContainer"><div class="quote">The RHS is to adopt a change in the scientific name for rosemary after research has shown that is in fact a salvia, or a sage.<br />
<br />
In technical terms it will now be known as <i>Salvia rosmarinus</i>, rather than <i>Rosmarinus officinalis,</i> but its common name – rosemary – remains unchanged.<br />
</div><div class="quoteExpand">Click to expand...</div></blockquote>
	</aside>
</div><a href="https://www.telegraph.co.uk/news/2019/11/22/rosemary-not-rosemary-rules-rhs-sage-tell-gardeners-change/" target="_blank" class="externalLink" rel="nofollow">Rosemary is not a rosemary, rules RHS - it&#039;s a sage, as they tell gardeners...</a><br />
<br />
<a href="https://forums.botanicalgarden.ubc.ca/threads/rosemary-is-not-a-rosemary-rules-rhs-its-a-sage.96814/" target="_blank" class="externalLink" rel="nofollow">Rosemary is not a rosemary, rules RHS - it&#039;s a sage</a>]]></content:encoded>
      <slash:comments>2</slash:comments>
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    <item>
      <title>Article: How new plant species get their names</title>
      <pubDate>Tue, 29 Oct 2019 07:12:58 +0000</pubDate>
      <link>https://forums.botanicalgarden.ubc.ca/threads/article-how-new-plant-species-get-their-names.96683/</link>
      <guid>https://forums.botanicalgarden.ubc.ca/threads/article-how-new-plant-species-get-their-names.96683/</guid>
      <author>invalid@example.com (Junglekeeper)</author>
      <dc:creator>Junglekeeper</dc:creator>
      <content:encoded><![CDATA[<div style="padding-left: 30px"><a href="https://phys.org/news/2019-10-species_1.html" target="_blank" class="externalLink" rel="nofollow">How new plant species get their names</a>&#8203;</div>]]></content:encoded>
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    <item>
      <title>Bignonia or Dolichandra?</title>
      <pubDate>Wed, 31 Oct 2018 23:43:35 +0000</pubDate>
      <link>https://forums.botanicalgarden.ubc.ca/threads/bignonia-or-dolichandra.94294/</link>
      <guid>https://forums.botanicalgarden.ubc.ca/threads/bignonia-or-dolichandra.94294/</guid>
      <author>invalid@example.com (RAC.Hawaii)</author>
      <dc:creator>RAC.Hawaii</dc:creator>
      <content:encoded><![CDATA[I entered this forum while trying to determine a correct botanical name for a bignoniaceous plant on <b>The Plant List</b>.  In this venue, the Google images led me to photos posted by the UBC Botanical Garden and a thread started some years ago by someone named Miriam.  The plant I am working with was acquired from the Hortus Botanicus botanical garden in Amsterdam, back in 1976, where it had the label <i>Bignonia argyreoviolescens.   </i>We&#039;ve grown it here in Hawaii since then, and a few...<br />
<br />
<a href="https://forums.botanicalgarden.ubc.ca/threads/bignonia-or-dolichandra.94294/" target="_blank" class="externalLink" rel="nofollow">Bignonia or Dolichandra?</a>]]></content:encoded>
      <slash:comments>2</slash:comments>
    </item>
    <item>
      <title>Binomial nomenclature question</title>
      <pubDate>Thu, 04 Oct 2018 03:56:19 +0000</pubDate>
      <link>https://forums.botanicalgarden.ubc.ca/threads/binomial-nomenclature-question.94138/</link>
      <guid>https://forums.botanicalgarden.ubc.ca/threads/binomial-nomenclature-question.94138/</guid>
      <author>invalid@example.com (Junglekeeper)</author>
      <dc:creator>Junglekeeper</dc:creator>
      <content:encoded><![CDATA[I see various references to <i>Citrus kinokuni mukakukishu</i>. Is this a sloppy way of writing <i>Citrus kinokuni </i>&#039;Mukakukishu&#039; or <i>Citrus kinokuni</i> var. <i>mukakukishu</i>? If so, which is it?]]></content:encoded>
      <slash:comments>2</slash:comments>
    </item>
    <item>
      <title>Eplanation of name - botanical term</title>
      <pubDate>Wed, 20 Jun 2018 20:10:02 +0000</pubDate>
      <link>https://forums.botanicalgarden.ubc.ca/threads/eplanation-of-name-botanical-term.93480/</link>
      <guid>https://forums.botanicalgarden.ubc.ca/threads/eplanation-of-name-botanical-term.93480/</guid>
      <author>invalid@example.com (dafo)</author>
      <dc:creator>dafo</dc:creator>
      <content:encoded><![CDATA[When I search for plants names there is sometimes (L.) Osbeck beside the latin name. For instance Citrus sinensis (L.) Osbeck. Can somebody explain a bit what this (L.) Osbeck stands for and what is referring to?]]></content:encoded>
      <slash:comments>1</slash:comments>
    </item>
    <item>
      <title>ICBN H4</title>
      <pubDate>Thu, 31 May 2018 19:34:12 +0000</pubDate>
      <link>https://forums.botanicalgarden.ubc.ca/threads/icbn-h4.93312/</link>
      <guid>https://forums.botanicalgarden.ubc.ca/threads/icbn-h4.93312/</guid>
      <author>invalid@example.com (ophioglossum)</author>
      <dc:creator>ophioglossum</dc:creator>
      <content:encoded><![CDATA[I am puzzled by article H4 from the Hybrids appendix. The example makes it worse.<br />
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<div style="padding-left: 30px"><i>H.4.1.</i> When all the parent taxa can be postulated or are known, a nothotaxon is circumscribed so as to include all individuals recognizably derived from the crossing of representatives of the stated parent taxa (i.e. not only the F1 but subsequent filial generations and also back-crosses and combinations of these).<br />
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<i>Ex.1.</i> The names <i>Oenothera</i> ×<i>drawertii</i> Renner ex Rostański...&#8203;</div><br />
<a href="https://forums.botanicalgarden.ubc.ca/threads/icbn-h4.93312/" target="_blank" class="externalLink" rel="nofollow">ICBN H4</a>]]></content:encoded>
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      <title>status change to forma, or not?</title>
      <pubDate>Mon, 30 Oct 2017 18:47:29 +0000</pubDate>
      <link>https://forums.botanicalgarden.ubc.ca/threads/status-change-to-forma-or-not.92118/</link>
      <guid>https://forums.botanicalgarden.ubc.ca/threads/status-change-to-forma-or-not.92118/</guid>
      <author>invalid@example.com (ophioglossum)</author>
      <dc:creator>ophioglossum</dc:creator>
      <content:encoded><![CDATA[The name <i>Dryopteris filix-mas</i> forma <i>incisa</i> is attributed by various authors to (Moore) Hayek, Flora von Steiermark. Hayek, however, in this Flora doesn&#039;t explicitly mention the rank, but transfers the variety <i>incisa</i> to the genus <i>Dryopteris</i>: &quot;γ &lt;gamma&gt; incisa <i>(Moore) Hay.</i>&quot;<br />
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Am  right to think that this does not constititue a status change from var to forma?<br />
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The listing of subtaxa under <i>filix-mas</i> is introduced by the sentence: &quot;Nach dem Grade der...<br />
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<a href="https://forums.botanicalgarden.ubc.ca/threads/status-change-to-forma-or-not.92118/" target="_blank" class="externalLink" rel="nofollow">status change to forma, or not?</a>]]></content:encoded>
      <slash:comments>6</slash:comments>
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      <title>Use of the terms subspecies and variety</title>
      <pubDate>Mon, 11 Sep 2017 21:06:28 +0000</pubDate>
      <link>https://forums.botanicalgarden.ubc.ca/threads/use-of-the-terms-subspecies-and-variety.91693/</link>
      <guid>https://forums.botanicalgarden.ubc.ca/threads/use-of-the-terms-subspecies-and-variety.91693/</guid>
      <author>invalid@example.com (wcutler)</author>
      <dc:creator>wcutler</dc:creator>
      <content:encoded><![CDATA[Daniel Mosquin posted a link to this document in a Botany Photo of the Day <a href="http://botanyphoto.botanicalgarden.ubc.ca/2017/03/saussurea-nuda/" target="_blank" class="externalLink" rel="nofollow">posting, </a>and I thought it was worth saving in this forum.<br />
<a href="http://www.biodiversitylibrary.org/item/14513#page/175/mode/1up" target="_blank" class="externalLink" rel="nofollow">On The Use Of The Terms Subspecies And Variety</a> <br />
It&#039;s a long read.<br />
<br />
Daniel also quoted the definition from the USDA’s National Plant Materials Program Manual (4th ed.):<br />
<br />
<div style="padding-left: 30px">The terms “subspecies” and...&#8203;</div><br />
<a href="https://forums.botanicalgarden.ubc.ca/threads/use-of-the-terms-subspecies-and-variety.91693/" target="_blank" class="externalLink" rel="nofollow">Use of the terms subspecies and variety</a>]]></content:encoded>
      <slash:comments>3</slash:comments>
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      <title>Naming of two azaleas</title>
      <pubDate>Mon, 28 Aug 2017 21:55:13 +0000</pubDate>
      <link>https://forums.botanicalgarden.ubc.ca/threads/naming-of-two-azaleas.91604/</link>
      <guid>https://forums.botanicalgarden.ubc.ca/threads/naming-of-two-azaleas.91604/</guid>
      <author>invalid@example.com (wcutler)</author>
      <dc:creator>wcutler</dc:creator>
      <content:encoded><![CDATA[Not a question, just an interesting (to me, anyway) link. This &quot;Journal American Rhododendron Society&quot; article, &quot;<b>What are those Azaleas</b>?&quot;, while about the naming of two specific azalea rhododendrons, goes into great detail about the naming authorities and rules, and how they applied over time to the naming of <i>Rhododendron stenopetalum</i>  and<i> Rhododendron mucronatum</i> (Or Is It <i>R. ripense</i>?).<br />
<br />
<a href="http://scholar.lib.vt.edu/ejournals/JARS/v53n3/v53n3-voss.htm" target="_blank" class="externalLink" rel="nofollow">JARS...</a><br />
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<a href="https://forums.botanicalgarden.ubc.ca/threads/naming-of-two-azaleas.91604/" target="_blank" class="externalLink" rel="nofollow">Naming of two azaleas</a>]]></content:encoded>
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      <title>Reference for botanical suffixes?</title>
      <pubDate>Tue, 27 Jun 2017 18:54:29 +0000</pubDate>
      <link>https://forums.botanicalgarden.ubc.ca/threads/reference-for-botanical-suffixes.91124/</link>
      <guid>https://forums.botanicalgarden.ubc.ca/threads/reference-for-botanical-suffixes.91124/</guid>
      <author>invalid@example.com (wcutler)</author>
      <dc:creator>wcutler</dc:creator>
      <content:encoded><![CDATA[There were comments on the Botany Photo of the Day for <a href="http://botanyphoto.botanicalgarden.ubc.ca/2017/06/bahiopsis-laciniata/" target="_blank" class="externalLink" rel="nofollow">Bahiopsis laciniata</a> regarding the meaning of the suffix part of the name.<br />
<br />
I’ve been looking for an online reference that gives definitions of botanical suffixes. One that I use for botanical terms, <a href="http://www.winternet.com/~chuckg/dictionary/dictionary.133.html" target="_blank" class="externalLink" rel="nofollow">Dictionary of Botanical Epithets</a>, only defines a suffix as part of a plant name,...<br />
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<a href="https://forums.botanicalgarden.ubc.ca/threads/reference-for-botanical-suffixes.91124/" target="_blank" class="externalLink" rel="nofollow">Reference for botanical suffixes?</a>]]></content:encoded>
      <slash:comments>4</slash:comments>
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      <title>Differences between Picea and Abies?</title>
      <pubDate>Fri, 16 Jun 2017 23:09:33 +0000</pubDate>
      <link>https://forums.botanicalgarden.ubc.ca/threads/differences-between-picea-and-abies.66465/</link>
      <guid>https://forums.botanicalgarden.ubc.ca/threads/differences-between-picea-and-abies.66465/</guid>
      <author>invalid@example.com (GreenLarry)</author>
      <dc:creator>GreenLarry</dc:creator>
      <content:encoded><![CDATA[In a nutshell how does one differentiate between these 2 very similar genera of conifer?]]></content:encoded>
      <slash:comments>5</slash:comments>
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