L. Lőkös szerk.: Studia Botanica Hungarica 27-28. 1996-97 (Budapest, 1978)

Höhn, Mária: Vascular flora of the Kelemen (Calimani) Mts on the side of the Maros (Mures) river drainage area

Omalotheca sylvatica (L.) Schultz Bip. et R. W. (= Gnaphalium sylvaticum L.) - H, cirk-b common in rocky grasslands and wood margins. Onobrychis viciaefolia Scop. - H, Med - common on grasslands. Ononis arvensis L. (= O. hircina Jacq.) - H-Ch, EA - Dragulescu: ? in the defile. Ononis pseudohircina Schur - Ch-H, Dák-Balk-Kauk - frequent in grasslands especially along the defile. Orchis mascula L. - G, Eur (med) - sporadically in montane grasslands. Orchis ustulata L. - G, Eur - frequent in grasslands. Origanum vulgare L. - H, EA (med) - frequent in sunny grasslands. Orobanche elatior Stuton (= O. major L.) - G, EA - common, not mentioned by Flora. Orobanche lutea Baumg. - H, EA (med) - Flora: Ratosnya. Orobanche picridis Schultz - H, Atl-med - Flora: Ratosnya. Orthilia secunda (L.) House (= Pyrola secunda L.) - Ch, cirk-b - spruce forests in Fintinele valley, Flora: mentioned only on the other side of the Kelemen Mts (Voevodeasa). Oxalis acetosella L. - H, cirk-b - common in spruce and mixed forests. Oxalis corniculata L. - Th, EA (med) - seldom on disturbed territories along the defile. Oxalis stricta L. (= O. europaea Jord.) - Th, Eur - seldom on disturbed territories along the defile. Parietaria officinalis L. - H, K-Eur - Flora: present in the Kelemen Mts. Paris quadrifolia L. - H, EA - sporadically in forests. Parnassia palustris L. - H, cirk-b - Csűrös: in wet habitats. Pastinaca sativa L. - TH-H, EA - disturbed, wet grasslands and road sides. Pedicularis exaltata Besser - H, Eur (kont) - Csűrös: alpine grassland, hardly accessible, undisturbed territories. Peucedanum oreoselinum (L.) Mönch - H, K-Eur-Med - frequent in grasslands. Petasites albus (L.) Gaertn. - G, EA - especially along brook valleys and streamlets. Petasites hybridus (L.) P. Gaertn. - H, EA - tall herbaceous communities along the river. Petasites kablikianus Tausch (= P. glabratus (Maly) Borbás) - G, Kárp-Balk - Nyárády: along the river flow. Phalaris arundinacea L. (= Baldingera arundinacea Dumort.) - HH, cirk-b - along the river flow and reed banks. Phleum alpinum subsp. commutatum L. - H, cirk (arkt-alp) - common in the subalpine and alpine grasslands. Phleum phleoides (L.) Karsten - H, EA (kont) - common in grasslands. Phleum pratense L. - H, EA (med) - common in wet meadows. Phragmites australis (Cav.) Trin ex Steudel (= P. communis Trin) - G, kozm - reed banks along the river, especially on the way out from the defile. Phyllitis scolopendrium (L.) Newm. - Ch, cirk-b - Dragulescu, Flora: between Déda and Ratosnya, not confirmed by the author. Phyteuma tetramerum Schur - H, Kárp (end) - upper part of Ratosnya valley, central branch, along the water flow. Phyteuma wagneri Kern. - H, Kárp (end) - Istenszéke plateau, Jezer lake, big population on the timber-line under Ruscii peak, and downwards to the Pietrosz valley. Picea abies (L.) Karsten - MM, Eur - zonal and extrazonal occurrence on the whole territory up to 1700 m elevation, and also in plantations instead of beech and fir. Picris hieracioides L. subsp. sonehoides Tell. (= Picris sonchoides Vest) - TH-H, EA (med) - in disturbed grasslands. Pimpinella saxifraga L. - H, EA - common in grasslands. Pinus cembra L. - MM, EA - sporadically on rocky places in the Negoiu and Pietrosz valley, cultivated down to spoil bank on Negoiu, and in several places in the montane zone.