Porella

Porella is a large, common, and widespread genus of liverworts in order Porellales. It is a member of the family Porellaceae within that order. 

There were 84 species recognized in 2016, most of them from East Asia. World Flora Online accepts 125 species, and GBIF accepts 150 species (as of 4 July 2023).

The genus has a wide cosmopolitan distribution in temperate areas, where it is commonly found growing attached to the bark of trees. Members of the genus have lobed leaves with a large upper lobe and small lower lobe.

Species Porella arboris-vitae, Porella bolanderi, Porella cordeana, Porella navicularis, Porella pinnata, Porella platyphylla and Porella roellii, were all found in Montana, USA.

Species 
The following species are recognised in the genus Porella by GBIF;

Porella abyssinica 
Porella acanthota 
Porella acutifolia 
Porella alpina 
Porella amoena 
Porella andica 
Porella apiculata 
Porella arborea 
 Porella arboris-vitae 
Porella assimilis 
Porella baueri 
Porella biedermannii 
 Porella bolanderi 
Porella borellii 
Porella brachiata 
Porella brasiliensis 
Porella caespitans 
Porella calcicola 
Porella campylophylla 
Porella canariensis 
Porella capehornensis 
Porella capehorniensis 
Porella capensis 
Porella caucasica 
Porella chenii 
Porella chilensis 
Porella chinensis 
Porella circinnata 
Porella complanata 
Porella conduplicata 
 Porella cordeana 
Porella cranfordii 
Porella crispata 
Porella cucullistipula 
Porella densifolia 
Porella denticulata 
Porella elegantula 
Porella fauriei 
Porella faurieri 
Porella fengii 
Porella frullanioides 
Porella fulfordiana 
Porella geheebii 
Porella globulus 
Porella gracillima 
Porella grandifolia 
Porella grandiloba 
Porella grollei 
Porella handelii 
Porella hattorii 
Porella heterophylla 
Porella hirta 
Porella hirtella 
Porella hoeana 
Porella hohnelliana 
Porella hsinganica 
Porella imbricata 
Porella inaequalis 
Porella integrifolia 
Porella japonica 
Porella javanica 
Porella lancifolia 
Porella latifolia 
Porella leiboldii 
Porella liebmanniana 
Porella lindbergiana 
Porella linguaefolia 
Porella lobata 
Porella longifolia 
Porella madagascariensis 
Porella integrifolia 
Porella japonica 
Porella javanica 
Porella lancifolia 
Porella latifolia 
Porella leiboldii 
Porella liebmanniana 
Porella lindbergiana 
Porella linguaefolia 
Porella lobata 
Porella longifolia 
Porella madagascariensis 
Porella matongae 
Porella maxima 
Porella maxonii 
Porella mexicana 
Porella montantii 
 Porella navicularis 
Porella niitakensis 
Porella nitens 
Porella nitidula 
Porella oblongifolia 
Porella obtusata 
Porella obtusiloba 
Porella ovalis 
Porella parvistipula 
Porella perrottetiana 
Porella peruviana 
Porella piligera 
 Porella pinnata 
Porella planifolia 
 Porella platyphylla 
Porella platyphylloidea 
Porella plicata 
Porella plumosa 
Porella polita 
Porella prolixa 
Porella ptilopsis 
Porella pulcherrima 
Porella queenslandica 
Porella ramentifissa 
Porella recurviloba 
Porella reflexa 
Porella renifolia 
Porella revoluta 
Porella rikuzana 
 Porella roellii 
Porella rotundifolia 
Porella saccata 
Porella setigera 
Porella sharpii 
Porella shikokiana 
Porella sichuanensis 
Porella spinulosa 
Porella squamulifera 
Porella stephaniana 
Porella subdentata 
Porella subgrandiloba 
Porella subobtusa 
Porella subparaphyllina 
Porella subsquarrosa 
Porella suginoi 
Porella swailsii 
Porella swartziana 
Porella tenera 
Porella triquetra 
Porella truncata 
Porella ulophylla 
Porella undatorevoluta 
Porella urceolata 
Porella urogea 
Porella urophylla 
Porella ussuriensis 
Porella vallis-gratiae 
Porella variabilis 
Porella vernicosa 
Porella viridissima 
Porella wakawana 
Porella wataugensis 
Porella zikanii

References

External links 

Porellales
Porellales genera
Taxa named by Carl Linnaeus
Taxa described in 1753