Which moss is which? Identification of the threatened moss Orthodontium gracile using molecular and morphological techniques

Rowntree, J. K., Cowan, R. S., Leggett, Mark J., Ramsay, M. M. and Fay, M. F. 2010. Which moss is which? Identification of the threatened moss Orthodontium gracile using molecular and morphological techniques. Conservation Genetics 11 (3) , pp. 1033-1042. 10.1007/s10592-009-9948-3

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Abstract

Taxonomic misidentification has potentially serious consequences for the management of threatened species. Closely related moss species are often difficult to distinguish from each other using morphological characteristics. Here we compared the use of molecular (DNA barcoding of the trnL-F intron, AFLPs) and morphological techniques to demonstrate that ex situ cultures, held for re-introduction trails, of the UK critically endangered moss Orthodontium gracile were contaminated with the potentially invasive species O. lineare. Barcoding techniques and AFLPs were both successful in determining Orthodontium species identity. There was some discrepancy between determinations from molecular and morphological techniques and some individuals were misidentified using morphological characteristics alone. When species identity is critical, for example prior to re-establishment or re-introduction programmes, we recommend that identity of mosses and other bryophytes be established by molecular techniques, in particular barcoding of the trnL-F intron.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Pharmacy
Subjects:	Q Science > QH Natural history > QH301 Biology Q Science > QK Botany
Uncontrolled Keywords:	Ex situ conservation; Threatened bryophytes; Barcoding; trnL-F intron; AFLP; Stereid cells
Publisher:	Springer
ISSN:	1566-0621
Last Modified:	19 Mar 2016 09:38
URI:	https://orca.cardiff.ac.uk/id/eprint/52631

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