STUDIES IN THE FLORA OF ARABIA XXI: Cibirhiza, a new genus of Asclepiadaceae from Oman
STUDIES IN THE FLORA OF ARABIA VIII: A new Pulicaria from Oman
STUDIES IN THE FLORA OF ARABIA XXII: Dhofaria, a new genus of Capparaceae from Oman
STUDIES IN THE FLORA OF ARABIA XXIII: Five new species from Oman
STUDIES IN THE FLORA OF ARABIA XXI: Cibirhiza, a new genus of Asclepiadaceae from Oman
STUDIES IN THE FLORA OF ARABIA: IV A NEW CAMPANULA FROM OMAN
STUDIES IN THE FLORA OF ARABIA VIII: A new Pulicaria from Oman
