Appendix 3Data matrix for NMDS analysis

Species / 1 / 2 / 3 / 4 / 5 / 6 / 7 / 8 / 9
P. alaschanica / 0 / 0 / 2 / 1 / 0 / 1 / 0 / 1 / 1
P. aloensis / 0 / 2 / 1 / 1 / 0 / 0 / 0 / 0 / 1
P. anas / 0 / 0 / 1 / 1 / 0 / 0 / 0 / 1 / 1
P. angularis / 0 / 2 / 0 / 1 / 0 / 0 / 0 / 0 / 0
P. anthemifolia / 0 / 2 / 1 / 1 / 0 / 0 / 0 / 1 / 1
P. axillaris / 0 / 2 / 1 / 1 / 0 / 0 / 0 / 0 / 1
P. batangensis / 0 / 3 / 1 / 1 / 1 / 0 / 0 / 1 / 1
P. bella / 0 / 2 / 1 / 0 / 1 / 0 / 0 / 1 / 2
P. bidentata / 0 / 2 / 1 / 1 / 1 / 0 / 0 / 0 / 0
P. brevilabris / 0 / 2 / 1 / 1 / 1 / 0 / 0 / 1 / 1
P. cephalantha / 0 / 2 / 1 / 1 / 1 / 0 / 0 / 0 / 0
P. cheilanthifolia / 0 / 0 / 0 / 1 / 0 / 0 / 0 / 1 / 1
P. clarkei / 0 / 2 / 1 / 1 / 0 / 0 / 0 / 1 / 2
P. confertiflora / 0 / 1 / 0 / 1 / 0 / 0 / 0 / 1 / 1
P. confluens / 0 / 2 / 0 / 3 / ? / 0 / 1 / ? / ?
P. corydaloides / 0 / 0 / 2 / 1 / 0 / 0 / 0 / 0 / 2
P. cranolopha / 0 / 2 / 2 / 1 / 1 / 2 / 0 / 1 / 1
P. craspedotricha / 0 / 2 / 1 / 1 / 0 / 0 / 1 / 1 / 1
P. crenata / 0 / 2 / 0 / 1 / 0 / 0 / 0 / 1 / 1
P. cristatella / 0 / 2 / 0 / 1 / 1 / 0 / 0 / 1 / 1
P. cyathophylla / 0 / 2 / 2 / 1 / 1 / 2 / 0 / 1 / 1
P. cyathophylloides / 0 / 2 / 2 / 1 / 1 / 2 / 0 / 1 / 1
P. cymbalaria / 0 / 2 / 0 / 1 / 1 / 0 / 0 / 1 / 1
P. davidii / 0 / 3 / 1 / 1 / 1 / 0 / 0 / 0 / 1
P. debilis / 0 / 0 / 0 / 1 / 0 / 0 / 0 / 1 / 1
P. decora / 0 / 1 / 1 / 2 / 0 / 0 / 1 / 2 / 2
P. decorissima / 0 / 2 / 2 / 1 / 0 / 0 / 0 / 0 / 1
P. densispica / 0 / 2 / 0 / 1 / 0 / 0 / 0 / 1 / 2
P. dichotoma / 0 / 0 / 1 / 0 / 0 / 0 / 0 / 1 / 2
P. dolichocymba / 0 / 1 / 1 / 2 / 0 / 0 / 1 / 2 / 2
P. dolichorrhiza / 0 / 2 / 1 / 1 / 0 / 0 / 0 / 1 / 1
P. duclouxii / 0 / 2 / 1 / 1 / 0 / 0 / 1 / 1 / 1
P. dunniana / 0 / 1 / 2 / 2 / 0 / 0 / 1 / 2 / 2
P. elata / 0 / 2 / 1 / 1 / 0 / 0 / 0 / 1 / 1
P. elwesii / 0 / 3 / 1 / 1 / 1 / 1 / 0 / 1 / 1
P. filicula / 1 / 1 / 2 / 1 / 1 / 1 / 0 / 1 / 1
P. fletcheri / 0 / 0 / 1 / 1 / 1 / 1 / 0 / 0 / 1
P. galeata / 0 / 1 / 1 / 2 / 0 / 0 / 1 / 2 / 1
P. glabrescens / 0 / 2 / 1 / 1 / 1 / 0 / 0 / 0 / 1
P. gracilis / 0 / 2 / 0 / 1 / 1 / 0 / 0 / 1 / 1
P. gruina / 0 / 3 / 1 / 1 / 1 / 0 / 0 / 1 / 1
P. ingens / 0 / 2 / 1 / 1 / 0 / 0 / 0 / 1 / 1
P. integrifolia / 0 / 0 / 1 / 0 / 0 / 0 / 1 / 1 / 2
P. kansuensis / 0 / 2 / 1 / 1 / 1 / 0 / 0 / 1 / 1
P. kiangsiensis / 0 / 2 / 1 / 1 / 0 / 0 / 0 / 0 / 2
P. labordei / 0 / 2 / 0 / 1 / 0 / 0 / 0 / 1 / 1
P. lachnoglossa / 0 / 0 / 2 / 1 / 0 / 1 / 1 / 1 / 2
P. lasiophrys / 0 / 2 / 1 / 2 / 0 / 0 / 1 / 2 / 2
P. latituba / 0 / 1 / 0 / 1 / 1 / 0 / 0 / 1 / 1
P. lecomtei / 0 / 2 / 1 / 1 / 1 / 0 / 0 / 1 / 1
P. likiangensis / 0 / 0 / 1 / 1 / 0 / 0 / 0 / 0 / 1
P. longiflora / 0 / 1 / 1 / 1 / 1 / 0 / 0 / 0 / 1
P. longipes / 0 / 2 / 2 / 1 / 0 / 2 / 0 / 0 / 2
P. lutecens / 0 / 2 / 0 / 1 / 1 / 0 / 0 / 1 / 1
P. lyrata / 0 / 2 / 0 / 1 / 1 / 0 / 0 / 1 / 1
P. macrosiphon / 0 / 1 / 2 / 1 / 0 / 1 / 0 / 0 / 2
P. mairei / 1 / 3 / 0 / 1 / 0 / 0 / 1 / 0 / 1
P. megalantha / 0 / 0 / 1 / 1 / 0 / 1 / 0 / 1 / 1
P. microchila / 0 / 2 / 0 / 1 / 0 / 0 / 0 / 0 / 0
P. mollis / 0 / 2 / 1 / 1 / 0 / 0 / 0 / 1 / 1
P. muscilola / 0 / 1 / 2 / 1 / 0 / 2 / 0 / 0 / 2
P. muscoides / 0 / 1 / 0 / 1 / 1 / 0 / 0 / 1 / 1
P. mussotii / 0 / 3 / 1 / 1 / 1 / 2 / 0 / 0 / 1
P. myriophylla / 0 / 2 / 1 / 1 / 0 / 0 / 0 / 1 / 2
P. nigra / 0 / 2 / 0 / 1 / 1 / 0 / 0 / 1 / 1
P. oederi / 0 / 3 / 1 / 1 / 0 / 0 / 0 / 1 / 1
P. oliveriana / 0 / 2 / 0 / 1 / 0 / 0 / 0 / 1 / 1
P. oxycarpa / 0 / 0 / 2 / 1 / 1 / 2 / 0 / 1 / 1
P. palustris / 0 / 2 / 1 / 1 / 0 / 0 / 1 / 0 / 2
P. pantlingii / 0 / 3 / 0 / 3 / ? / 0 / 1 / ? / ?
P. physocalyx / 0 / 2 / 1 / 1 / 0 / 0 / 0 / 1 / 1
P. pilostachya / 0 / 1 / 1 / 1 / 0 / 0 / 0 / 1 / 1
P. plicata / 0 / 1 / 1 / 1 / 0 / 0 / 0 / 1 / 1
P. praeruptorum / 0 / 2 / 2 / 1 / 0 / 0 / 0 / 0 / 1
P. pseudocephalantha / 0 / 1 / 1 / 1 / 0 / 0 / 0 / 1 / 1
P. pseudocurvituba / 0 / 2 / 2 / 1 / 0 / 0 / 0 / 1 / 2
P. pseudomelampyriflora / 0 / 2 / 1 / 1 / 0 / 1 / 0 / 1 / 1
P. pseudoversicolor / 0 / 0 / 1 / 1 / 1 / 0 / 0 / 0 / 1
P. rex / 0 / 2 / 2 / 1 / 1 / 2 / 0 / 1 / 1
P. rhinanthoides / 0 / 0 / 1 / 1 / 1 / 0 / 0 / 0 / 1
P. rhodotricha / 0 / 2 / 2 / 2 / 0 / 0 / 1 / 2 / 1
P. rhynchodonta / 0 / 0 / 1 / 1 / 1 / 1 / 0 / 0 / 1
P. rhynchotricha / 0 / 2 / 1 / 1 / 0 / 0 / 0 / 1 / 1
P. rigida / 0 / 1 / 0 / 1 / 0 / 0 / 1 / 1 / 2
P. roylei / 0 / 2 / 0 / 1 / 0 / 0 / 0 / 1 / 1
P. rupicola / 0 / 0 / 2 / 1 / 0 / 1 / 0 / 1 / 2
P. salviiflora / 2 / 2 / 1 / 0 / 0 / 0 / 1 / 1 / 2
P. scolopax / 0 / 2 / 2 / 1 / 0 / 0 / 0 / 1 / 1
P. semitorta / 0 / 2 / 1 / 1 / 0 / 0 / 0 / 1 / 1
P. siphonantha / 0 / 3 / 1 / 1 / 1 / 1 / 0 / 0 / 0
P. sphaerantha / 0 / 0 / 0 / 1 / 0 / 0 / 0 / 1 / 1
P. spicata / 0 / 2 / 1 / 1 / 1 / 0 / 0 / 0 / 0
P. striata / 2 / 2 / 1 / 1 / 0 / 0 / 1 / 1 / 2
P. superba / 0 / 2 / 2 / 1 / 1 / 2 / 0 / 1 / 1
P. tachanensis / 0 / 2 / 1 / 1 / 1 / 0 / 0 / 0 / 1
P. tahaiensis / 0 / 2 / 1 / 1 / 1 / 0 / 0 / 0 / 0
P. tenuisecta / 0 / 3 / 0 / 1 / 1 / 0 / 0 / 1 / 1
P. thamnophila / 0 / 2 / 2 / 1 / 1 / 2 / 0 / 1 / 1
P. tibetica / 0 / 1 / 2 / 1 / 0 / 2 / 0 / 0 / 1
P. tongloensis / 0 / 3 / 2 / 1 / 0 / 0 / 1 / 1 / 1
P. tricolor / 0 / 2 / 1 / 1 / 0 / 1 / 1 / 1 / 1
P. tristis / 0 / 3 / 1 / 2 / 0 / 0 / 1 / 2 / 2
P. tsekouensis / 0 / 1 / 1 / 1 / 0 / 0 / 1 / 1 / 2
P. urceolata / 0 / 0 / 0 / 1 / 1 / 0 / 0 / 1 / 1
P. venusta / 0 / 2 / 1 / 1 / 0 / 0 / 0 / 1 / 2
P. verbenaefolia / 0 / 2 / 0 / 1 / 0 / 0 / 0 / 1 / 1
P. veronicifolia / 0 / 2 / 0 / 1 / 0 / 0 / 0 / 1 / 1
P. verticillata / 0 / 2 / 0 / 1 / 1 / 0 / 0 / 1 / 1
P. vialii / 0 / 2 / 1 / 1 / 0 / 0 / 1 / 1 / 1

? Epidermal cells can not be detected.