2019
DOI: 10.1111/njb.02377
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Comparative morphometry as a diagnostic tool applied to species delimitation in the genus Gastridium P. Beauv. (Poaceae)

Abstract: Based on critical examination of both fresh and dried specimens and a morphometric analysis of herbarium specimens we performed a comparative study of the three closely related Gastridium (Poaceae, Tribe: Poeae, Subtribe: Agrostidinae) species G. ventricosum, G. phleoides and G. scabrum collected in Italy. The study aimed to provide new diagnostic tools to improve the taxonomy of the genus and confirm species delimitation. Variation in floral morphology in the three species was explored using seven quantitativ… Show more

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Cited by 6 publications
(9 citation statements)
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References 25 publications
(43 reference statements)
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“…Of these, 30 individuals were freshly collected in wild populations, mostly located in peninsular Italy and Spain, and 14 samples were harvested from CLU, COFC, PORUN, UTV herbaria (acronyms according to Thiers 2018) and the U.S. National Plant Germplasm System (NPGS). Species identification was carried out according to Romero García (2019) and Scoppola and Cancellieri (2019). Vouchered herbarium specimens of collected plants were stored at the herbarium of the Tuscia University (UTV).…”
Section: Methodsmentioning
confidence: 99%
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“…Of these, 30 individuals were freshly collected in wild populations, mostly located in peninsular Italy and Spain, and 14 samples were harvested from CLU, COFC, PORUN, UTV herbaria (acronyms according to Thiers 2018) and the U.S. National Plant Germplasm System (NPGS). Species identification was carried out according to Romero García (2019) and Scoppola and Cancellieri (2019). Vouchered herbarium specimens of collected plants were stored at the herbarium of the Tuscia University (UTV).…”
Section: Methodsmentioning
confidence: 99%
“…It is characterized by dense panicles with heteromorphic unifloral spikelets, each bearing unequal, slightly saccate glumes, laterally compressed and acute at the apex, with subterminal awn or unawned lemmas, and caryopses enclosed between the lemma and palea (Doğan, 1985; Scholz, 1986). Despite an overall morphological distinctness (Kellogg, 2015), resolving the taxonomy of Gastridium has been particularly challenging in the past, and its members have been alternatively included in other genera such as Agrostis L., Milium L., Lachnagrostis Trin., Calamagrostis Adans., and Triplachne Link (Scoppola & Cancellieri, 2019, and references therein). Today, it is placed within subfamily Pooideae Benth., tribe Poeae R.Br., subtribe Agrostidinae Fr.…”
Section: Introductionmentioning
confidence: 99%
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